feat(version): bump version to 0.9.7 in pyproject.toml

feat: index cached models by version id

.github/workflows/backend-tests.yml

@@ -0,0 +1,69 @@
+name: Backend Tests
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - 'py/**'
+      - 'standalone.py'
+      - 'tests/**'
+      - 'requirements.txt'
+      - 'requirements-dev.txt'
+      - 'pyproject.toml'
+      - 'pytest.ini'
+      - '.github/workflows/backend-tests.yml'
+  pull_request:
+    paths:
+      - 'py/**'
+      - 'standalone.py'
+      - 'tests/**'
+      - 'requirements.txt'
+      - 'requirements-dev.txt'
+      - 'pyproject.toml'
+      - 'pytest.ini'
+      - '.github/workflows/backend-tests.yml'
+
+jobs:
+  pytest:
+    name: Run pytest with coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+          cache-dependency-path: |
+            requirements.txt
+            requirements-dev.txt
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+
+      - name: Run pytest with coverage
+        env:
+          COVERAGE_FILE: coverage/backend/.coverage
+        run: |
+          mkdir -p coverage/backend
+          python -m pytest \
+            --cov=py \
+            --cov=standalone \
+            --cov-report=term-missing \
+            --cov-report=xml:coverage/backend/coverage.xml \
+            --cov-report=html:coverage/backend/html \
+            --cov-report=json:coverage/backend/coverage.json
+
+      - name: Upload coverage artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: backend-coverage
+          path: coverage/backend
+          if-no-files-found: warn

.github/workflows/frontend-tests.yml

@@ -0,0 +1,52 @@
+name: Frontend Tests
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - 'package.json'
+      - 'package-lock.json'
+      - 'vitest.config.js'
+      - 'tests/frontend/**'
+      - 'static/js/**'
+      - 'scripts/run_frontend_coverage.js'
+      - '.github/workflows/frontend-tests.yml'
+  pull_request:
+    paths:
+      - 'package.json'
+      - 'package-lock.json'
+      - 'vitest.config.js'
+      - 'tests/frontend/**'
+      - 'static/js/**'
+      - 'scripts/run_frontend_coverage.js'
+      - '.github/workflows/frontend-tests.yml'
+
+jobs:
+  vitest:
+    name: Run Vitest with coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run frontend tests with coverage
+        run: npm run test:coverage
+
+      - name: Upload coverage artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: frontend-coverage
+          path: coverage/frontend
+          if-no-files-found: warn

.gitignore

@@ -8,3 +8,4 @@ cache/
 civitai/
 node_modules/
 coverage/
+.coverage

AGENTS.md

@@ -1,19 +1,22 @@
-# Repository Guidelines
+# Repository Guidelines
 
 ## Project Structure & Module Organization
-ComfyUI LoRA Manager pairs a Python backend with lightweight browser scripts. Backend modules live in `py/`, organized by responsibility: HTTP entry points under `routes/`, feature logic in `services/`, reusable helpers within `utils/`, and custom nodes in `nodes/`. Front-end widgets that extend the ComfyUI interface sit in `web/comfyui/`, while static images and templates are in `static/` and `templates/`. Shared localization files are stored in `locales/`, with workflow examples under `example_workflows/`. Tests currently reside alongside the source (`test_i18n.py`) until a dedicated `tests/` folder is introduced.
+ComfyUI LoRA Manager pairs a Python backend with browser-side widgets. Backend modules live in <code>py/</code> with HTTP entry points in <code>py/routes/</code>, feature logic in <code>py/services/</code>, shared helpers in <code>py/utils/</code>, and custom nodes in <code>py/nodes/</code>. UI scripts extend ComfyUI from <code>web/comfyui/</code>, while deploy-ready assets remain in <code>static/</code> and <code>templates/</code>. Localization files live in <code>locales/</code>, example workflows in <code>example_workflows/</code>, and interim tests such as <code>test_i18n.py</code> sit beside their source until a dedicated <code>tests/</code> tree lands.
 
 ## Build, Test, and Development Commands
-Install dependencies with `pip install -r requirements.txt` from the repo root. Launch the standalone server for iterative work via `python standalone.py --port 8188`; ComfyUI users can also load the extension directly through ComfyUI's custom node manager. Run backend checks with `python -m pytest test_i18n.py`, and target new test files explicitly (e.g. `python -m pytest tests/test_recipes.py` once added). Use `python scripts/sync_translation_keys.py` to reconcile locale keys after updating UI strings.
+- <code>pip install -r requirements.txt</code> installs backend dependencies.
+- <code>python standalone.py --port 8188</code> launches the standalone server for iterative development.
+- <code>python -m pytest test_i18n.py</code> runs the current regression suite; target new files explicitly, e.g. <code>python -m pytest tests/test_recipes.py</code>.
+- <code>python scripts/sync_translation_keys.py</code> synchronizes locale keys after UI string updates.
 
 ## Coding Style & Naming Conventions
-Follow PEP 8 with four-space indentation and descriptive snake_case module/function names, mirroring files such as `py/services/settings_manager.py`. Classes remain PascalCase, constants UPPER_SNAKE_CASE, and loggers retrieved via `logging.getLogger(__name__)`. Prefer explicit type hints for new public APIs and docstrings that clarify side effects. JavaScript in `web/comfyui/` is modern ES modules; keep imports relative, favor camelCase functions, and mirror existing file suffixes like `_widget.js` for UI components.
+Follow PEP 8 with four-space indentation and descriptive snake_case file and function names such as <code>settings_manager.py</code>. Classes stay PascalCase, constants in UPPER_SNAKE_CASE, and loggers retrieved via <code>logging.getLogger(__name__)</code>. Prefer explicit type hints and docstrings on public APIs. JavaScript under <code>web/comfyui/</code> uses ES modules with camelCase helpers and the <code>_widget.js</code> suffix for UI components.
 
 ## Testing Guidelines
-Extend pytest coverage by co-locating tests near the code under test or in `tests/` with names like `test_<feature>.py`. When introducing new routes or services, add regression cases that mock ComfyUI dependencies (see the standalone mocking helpers in `standalone.py`). Prioritize deterministic fixtures for filesystem interactions and ensure translations include coverage when adding new locale keys. Always run `python -m pytest` before submitting work.
+Pytest powers backend tests. Name modules <code>test_<feature>.py</code> and keep them near the code or in a future <code>tests/</code> package. Mock ComfyUI dependencies through helpers in <code>standalone.py</code>, keep filesystem fixtures deterministic, and ensure translations are covered. Run <code>python -m pytest</code> before submitting changes.
 
 ## Commit & Pull Request Guidelines
-Commits follow the conventional pattern seen in `git log` (`feat(scope):`, `fix(scope):`, `chore(scope):`). Keep messages imperative and scoped to a single change. Pull requests should summarize the problem, detail the solution, list manual test evidence, and link any GitHub issues. Include UI screenshots or GIFs when front-end behavior changes, and call out migration steps (e.g., settings updates) in the PR description.
+Commits follow the conventional format, e.g. <code>feat(settings): add default model path</code>, and should stay focused on a single concern. Pull requests must outline the problem, summarize the solution, list manual verification steps (server run, targeted pytest), and link related issues. Include screenshots or GIFs for UI or locale updates and call out migration steps such as <code>settings.json</code> adjustments.
 
 ## Configuration & Localization Tips
-Sample configuration defaults live in `settings.json.example`; copy it to `settings.json` and adjust model directories before running the standalone server. Whenever you add UI text, update `locales/<lang>.json` and run the translation sync script. Store reference assets in `civitai/` or `docs/` rather than mixing them with production templates, keeping the runtime folders (`static/`, `templates/`) deploy-ready.
+Copy <code>settings.json.example</code> to <code>settings.json</code> and adapt model directories before running the standalone server. Store reference assets in <code>civitai/</code> or <code>docs/</code> to keep runtime directories deploy-ready. Whenever UI text changes, update every <code>locales/&lt;lang&gt;.json</code> file and rerun the translation sync script so ComfyUI surfaces localized strings.

README.md

@@ -34,6 +34,14 @@ Enhance your Civitai browsing experience with our companion browser extension! S
 
 ## Release Notes
 
+### v0.9.6
+* **Critical Performance Optimization** - Introduced persistent model cache that dramatically accelerates initialization after startup and significantly reduces Python backend memory footprint for improved application performance.
+* **Cross-Browser Settings Synchronization** - Migrated nearly all settings to the backend, ensuring your preferences sync automatically across all browsers for a seamless multi-browser experience.
+* **Protected User Settings Location** - Relocated user settings (settings.json) to the user config directory (accessible via the link icon in Settings), preventing accidental deletion during reinstalls or updates.
+* **Global Context Menu** - Added a new global context menu accessible by right-clicking on empty page areas, providing quick access to global operations with more features coming in future updates.
+* **Multi-Library Support** - Introduced support for managing multiple libraries, allowing you to easily switch between different model collections (advanced usage, documentation in progress).
+* **Bug Fixes & Stability Improvements** - Various bug fixes and enhancements for improved stability and reliability.
+
 ### v0.9.3
 * **Metadata Archive Database Support** - Added the ability to download and utilize a metadata archive database, enabling access to metadata for models that have been deleted from CivitAI.
 * **App-Level Proxy Settings** - Introduced support for configuring a global proxy within the application, making it easier to use the manager behind network restrictions.
@@ -141,7 +149,7 @@ Enhance your Civitai browsing experience with our companion browser extension! S
 
 1. Download the [Portable Package](https://github.com/willmiao/ComfyUI-Lora-Manager/releases/download/v0.9.2/lora_manager_portable.7z)
 2. Copy the provided `settings.json.example` file to create a new file named `settings.json` in `comfyui-lora-manager` folder
-3. Edit `settings.json` to include your correct model folder paths and CivitAI API key
+3. Edit the new `settings.json` to include your correct model folder paths and CivitAI API key
 4. Run run.bat
     - To change the startup port, edit `run.bat` and modify the parameter (e.g. `--port 9001`)
 
@@ -209,7 +217,7 @@ You can combine multiple patterns to create detailed, organized filenames for yo
 You can now run LoRA Manager independently from ComfyUI:
 
 1. **For ComfyUI users**:
-   - Launch ComfyUI with LoRA Manager at least once to initialize the necessary path information in the `settings.json` file.
+   - Launch ComfyUI with LoRA Manager at least once to initialize the necessary path information in the `settings.json` file located in your user settings folder (see paths above).
    - Make sure dependencies are installed: `pip install -r requirements.txt`
    - From your ComfyUI root directory, run:
      ```bash
@@ -231,8 +239,37 @@ You can now run LoRA Manager independently from ComfyUI:
      ```
    - Access the interface through your browser at: `http://localhost:8188/loras`
 
+   > **Note:** Existing installations automatically migrate the legacy `settings.json` from the plugin folder to the user settings directory the first time you launch this version.
+
 This standalone mode provides a lightweight option for managing your model and recipe collection without needing to run the full ComfyUI environment, making it useful even for users who primarily use other stable diffusion interfaces.
 
+## Testing & Coverage
+
+### Backend
+
+Install the development dependencies and run pytest with coverage reports:
+
+```bash
+pip install -r requirements-dev.txt
+COVERAGE_FILE=coverage/backend/.coverage pytest \
+  --cov=py \
+  --cov=standalone \
+  --cov-report=term-missing \
+  --cov-report=html:coverage/backend/html \
+  --cov-report=xml:coverage/backend/coverage.xml \
+  --cov-report=json:coverage/backend/coverage.json
+```
+
+HTML, XML, and JSON artifacts are stored under `coverage/backend/` so you can inspect hot spots locally or from CI artifacts.
+
+### Frontend
+
+Run the Vitest coverage suite to analyze widget hot spots:
+
+```bash
+npm run test:coverage
+```
+
 ---
 
 ## Contributing

docs/architecture/multi_library_design.md

@@ -0,0 +1,34 @@
+# Multi-Library Management for Standalone Mode
+
+## Requirements Summary
+- **Independent libraries**: In standalone mode, users can maintain multiple libraries, where each library represents a distinct set of model folders (LoRAs, checkpoints, embeddings, etc.). Only one library is active at any given time, but users need a fast way to switch between them.
+- **Library-specific settings**: The fields that vary per library are `folder_paths`, `default_lora_root`, `default_checkpoint_root`, and `default_embedding_root` inside `settings.json`.
+- **Persistent caches**: Every library must have its own SQLite persistent model cache so that metadata generated for one library does not leak into another.
+- **Backward compatibility**: Existing single-library setups should continue to work. When no multi-library configuration is provided, the application should behave exactly as before.
+
+## Proposed Design
+1. **Library registry**
+   - Extend the standalone configuration to hold a list of libraries, each identified by a unique name.
+   - Each entry stores the folder path configuration plus any library-scoped metadata (e.g. creation time, display name).
+   - The active library key is stored separately to allow quick switching without rewriting the full config.
+2. **Settings management**
+   - Update `settings_manager` to load and persist the library registry. When a library is activated, hydrate the in-memory settings object with that library's folder configuration.
+   - Provide helper methods for creating, renaming, and deleting libraries, ensuring validation for duplicate names and path collisions.
+   - Continue writing the active library settings to `settings.json` for compatibility, while storing the registry in a new section such as `libraries`.
+3. **Persistent model cache**
+   - Derive the SQLite file path from the active library, e.g. `model_cache_<library>.sqlite` or a nested directory structure like `model_cache/<library>/models.sqlite`.
+   - Update `PersistentModelCache` so it resolves the database path dynamically whenever the active library changes. Ensure connections are closed before switching to avoid locking issues.
+   - Migrate existing single cache files by treating them as the default library's cache.
+4. **Model scanning workflow**
+   - Modify `ModelScanner` and related services to react to library switches by clearing in-memory caches, re-reading folder paths, and rehydrating metadata from the library-specific SQLite cache.
+   - Provide API endpoints in standalone mode to list libraries, activate one, and trigger a rescan.
+5. **UI/UX considerations**
+   - In the standalone UI, introduce a library selector component that surfaces available libraries and offers quick switching.
+   - Offer feedback when switching libraries (e.g. spinner while rescanning) and guard destructive actions with confirmation prompts.
+
+## Implementation Notes
+- **Data migration**: On startup, detect if the old `settings.json` structure is present. If so, create a default library entry using the current folder paths and point the active library to it.
+- **Thread safety**: Ensure that any long-running scans are cancelled or awaited before switching libraries to prevent race conditions in cache writes.
+- **Testing**: Add unit tests for the settings manager to cover library CRUD operations and cache path resolution. Include integration tests that simulate switching libraries and verifying that the correct models are loaded.
+- **Documentation**: Update user guides to explain how to define libraries, switch between them, and where the new cache files are stored.
+- **Extensibility**: Keep the design open to future per-library settings (e.g. auto-refresh intervals, metadata overrides) by storing library data as objects instead of flat maps.

docs/frontend-dom-fixtures.md

@@ -0,0 +1,51 @@
+# Frontend DOM Fixture Strategy
+
+This guide outlines how to reproduce the markup emitted by the Django templates while running Vitest in jsdom.  The aim is to make it straightforward to write integration-style unit tests for managers and UI helpers without having to duplicate template fragments inline.
+
+## Loading Template Markup
+
+Vitest executes inside Node, so we can read the same HTML templates that ship with the extension:
+
+1. Use the helper utilities from `tests/frontend/utils/domFixtures.js` to read files under the `templates/` directory.
+2. Mount the returned markup into `document.body` (or any custom container) before importing the module under test so its query selectors resolve correctly.
+
+```js
+import { renderTemplate } from '../utils/domFixtures.js'; // adjust the relative path to your spec
+
+beforeEach(() => {
+  renderTemplate('loras.html', {
+    dataset: { page: 'loras' }
+  });
+});
+```
+
+The helper ensures the dataset is applied to the container, which mirrors how Django sets `data-page` in production.
+
+## Working with Partial Components
+
+Many features are implemented as template partials located under `templates/components/`.  When a test only needs a fragment (for example, the progress panel or context menu markup), load the component file directly:
+
+```js
+const container = renderTemplate('components/progress_panel.html');
+
+const progressPanel = container.querySelector('#progress-panel');
+```
+
+This pattern avoids hand-written fixture strings and keeps the tests aligned with the actual markup.
+
+## Resetting Between Tests
+
+The shared Vitest setup clears `document.body` and storage APIs before each test.  If a suite adds additional DOM nodes outside of the body or needs to reset custom attributes mid-test, use `resetDom()` exported from `domFixtures.js`.
+
+```js
+import { resetDom } from '../utils/domFixtures.js';
+
+afterEach(() => {
+  resetDom();
+});
+```
+
+## Future Enhancements
+
+- Provide typed helpers for injecting mock script tags (e.g., replicating ComfyUI globals).
+- Compose higher-level fixtures that mimic specific pages (loras, checkpoints, recipes) once those managers receive dedicated suites.

docs/frontend-filtering-test-matrix.md

@@ -0,0 +1,44 @@
+# LoRA & Checkpoints Filtering/Sorting Test Matrix
+
+This matrix captures the scenarios that Phase 3 frontend tests should cover for the LoRA and Checkpoint managers. It focuses on how search, filter, sort, and duplicate badge toggles interact so future specs can share fixtures and expectations.
+
+## Scope
+
+- **Components**: `PageControls`, `FilterManager`, `SearchManager`, and `ModelDuplicatesManager` wiring invoked through `CheckpointsPageManager` and `LorasPageManager`.
+- **Templates**: `templates/loras.html` and `templates/checkpoints.html` along with shared filter panel and toolbar partials.
+- **APIs**: Requests issued through `baseModelApi.fetchModels` (via `resetAndReload`/`refreshModels`) and duplicates badge updates.
+
+## Shared Setup Considerations
+
+1. Render full page templates using `renderLorasPage` / `renderCheckpointsPage` helpers before importing modules so DOM queries resolve.
+2. Stub storage helpers (`getStorageItem`, `setStorageItem`, `getSessionItem`, `setSessionItem`) to observe persistence behavior without mutating real storage.
+3. Mock `sidebarManager` to capture refresh calls triggered after sort/filter actions.
+4. Provide fake API implementations exposing `resetAndReload`, `refreshModels`, `fetchFromCivitai`, `toggleBulkMode`, and `clearCustomFilter` so control events remain asynchronous but deterministic.
+5. Supply a minimal `ModelDuplicatesManager` mock exposing `toggleDuplicateMode`, `checkDuplicatesCount`, and `updateDuplicatesBadgeAfterRefresh` to validate duplicate badge wiring.
+
+## Scenario Matrix
+
+| ID | Feature | Scenario | LoRAs Expectations | Checkpoints Expectations | Notes |
+| --- | --- | --- | --- | --- | --- |
+| F-01 | Search filter | Typing a query updates `pageState.filters.search`, persists to session, and triggers `resetAndReload` on submit | Validate `SearchManager` writes query and reloads via API stub; confirm LoRA cards pass query downstream | Same as LoRAs | Cover `enter` press and clicking search icon |
+| F-02 | Tag filter | Selecting a tag chip adds it to filters, applies active styling, and reloads results | Tag stored under `filters.tags`; `FilterManager.applyFilters` persists and triggers `resetAndReload(true)` | Same; ensure base model tag set is scoped to checkpoints dataset | Include removal path |
+| F-03 | Base model filter | Toggling base model checkboxes updates `filters.baseModel`, persists, and reloads | Ensure only LoRA-supported models show; toggle multi-select | Ensure SDXL/Flux base models appear as expected | Capture UI state restored from storage on next init |
+| F-04 | Favorites-only | Clicking favorites toggle updates session flag and calls `resetAndReload(true)` | Button gains `.active` class and API called | Same | Verify duplicates badge refresh when active |
+| F-05 | Sort selection | Changing sort select saves preference (legacy + new format) and reloads | Confirm `PageControls.saveSortPreference` invoked with option and API called | Same with checkpoints-specific defaults | Cover `convertLegacySortFormat` branch |
+| F-06 | Filter persistence | Re-initializing manager loads stored filters/sort and updates DOM | Filters pre-populate chips/checkboxes; favorites state restored | Same | Requires simulating repeated construction |
+| F-07 | Combined filters | Applying search + tag + base model yields aggregated query params for fetch | Assert API receives merged filter payload | Same | Validate toast messaging for active filters |
+| F-08 | Clearing filters | Using "Clear filters" resets state, storage, and reloads list | `FilterManager.clearFilters` empties `filters`, removes active class, shows toast | Same | Ensure favorites-only toggle unaffected |
+| F-09 | Duplicate badge toggle | Pressing "Find duplicates" toggles duplicate mode and updates badge counts post-refresh | `ModelDuplicatesManager.toggleDuplicateMode` invoked and badge refresh called after API rebuild | Same plus checkpoint-specific duplicate badge dataset | Connects to future duplicate-specific specs |
+| F-10 | Bulk actions menu | Opening bulk dropdown keeps filters intact and closes on outside click | Validate dropdown class toggling and no unintended reload | Same | Guard against regression when dropdown interacts with filters |
+
+## Automation Coverage Status
+
+- ✅ F-01 Search filter, F-02 Tag filter, F-03 Base model filter, F-04 Favorites-only toggle, F-05 Sort selection, and F-09 Duplicate badge toggle are covered by `tests/frontend/components/pageControls.filtering.test.js` for both LoRA and checkpoint pages.
+- ⏳ F-06 Filter persistence, F-07 Combined filters, F-08 Clearing filters, and F-10 Bulk actions remain to be automated alongside upcoming bulk mode refinements.
+
+## Coverage Gaps & Follow-Ups
+
+- Write Vitest suites that exercise the matrix for both managers, sharing fixtures through page helpers to avoid duplication.
+- Capture API parameter assertions by inspecting `baseModelApi.fetchModels` mocks rather than relying solely on state mutations.
+- Add regression cases for legacy storage migrations (old filter keys) once fixtures exist for older payloads.
+- Extend duplicate badge coverage with scenarios where `checkDuplicatesCount` signals zero duplicates versus pending calculations.

docs/frontend-testing-roadmap.md

@@ -8,16 +8,26 @@ This roadmap tracks the planned rollout of automated testing for the ComfyUI LoR
 | --- | --- | --- | --- | --- |
 | Phase 0 | Establish baseline tooling | Add Node test runner, jsdom environment, and seed smoke tests | ✅ Complete | Vitest + jsdom configured, example state tests committed |
 | Phase 1 | Cover state management logic | Unit test selectors, derived data helpers, and storage utilities under `static/js/state` and `static/js/utils` | ✅ Complete | Storage helpers and state selectors now exercised via deterministic suites |
-| Phase 2 | Test AppCore orchestration | Simulate page bootstrapping, infinite scroll hooks, and manager registration using JSDOM DOM fixtures | 🟡 In Progress | AppCore initialization specs landed; expand to additional page wiring and scroll hooks |
-| Phase 3 | Validate page-specific managers | Add focused suites for `loras`, `checkpoints`, `embeddings`, and `recipes` managers covering filtering, sorting, and bulk actions | ⚪ Not Started | Consider shared helpers for mocking API modules and storage |
-| Phase 4 | Interaction-level regression tests | Exercise template fragments, modals, and menus to ensure UI wiring remains intact | ⚪ Not Started | Evaluate Playwright component testing or happy-path DOM snapshots |
-| Phase 5 | Continuous integration & coverage | Integrate frontend tests into CI workflow and track coverage metrics | ⚪ Not Started | Align reporting directories with backend coverage for unified reporting |
+| Phase 2 | Test AppCore orchestration | Simulate page bootstrapping, infinite scroll hooks, and manager registration using JSDOM DOM fixtures | ✅ Complete | AppCore initialization + page feature suites now validate manager wiring, infinite scroll hooks, and onboarding gating |
+| Phase 3 | Validate page-specific managers | Add focused suites for `loras`, `checkpoints`, `embeddings`, and `recipes` managers covering filtering, sorting, and bulk actions | ✅ Complete | LoRA/checkpoint suites expanded; embeddings + recipes managers now covered with initialization, filtering, and duplicate workflows |
+| Phase 4 | Interaction-level regression tests | Exercise template fragments, modals, and menus to ensure UI wiring remains intact | ✅ Complete | Vitest DOM suites cover NSFW selector, recipe modal editing, and global context menus |
+| Phase 5 | Continuous integration & coverage | Integrate frontend tests into CI workflow and track coverage metrics | ✅ Complete | CI workflow runs Vitest and aggregates V8 coverage into `coverage/frontend` via a dedicated script |
 
 ## Next Steps Checklist
 
 - [x] Expand unit tests for `storageHelpers` covering migrations and namespace behavior.
-- [ ] Document DOM fixture strategy for reproducing template structures in tests.
+- [x] Document DOM fixture strategy for reproducing template structures in tests.
 - [x] Prototype AppCore initialization test that verifies manager bootstrapping with stubbed dependencies.
-- [ ] Evaluate integrating coverage reporting once test surface grows (> 20 specs).
+- [x] Add AppCore page feature suite exercising context menu creation and infinite scroll registration via DOM fixtures.
+- [x] Extend AppCore orchestration tests to cover manager wiring, bulk menu setup, and onboarding gating scenarios.
+- [x] Add interaction regression suites for context menus and recipe modals to complete Phase 4.
+- [x] Evaluate integrating coverage reporting once test surface grows (> 20 specs).
+- [x] Create shared fixtures for the loras and checkpoints pages once dedicated manager suites are added.
+- [x] Draft focused test matrix for loras/checkpoints manager filtering and sorting paths ahead of Phase 3.
+- [x] Implement LoRAs manager filtering/sorting specs for scenarios F-01–F-05 & F-09; queue remaining edge cases after duplicate/bulk flows stabilize.
+- [x] Implement checkpoints manager filtering/sorting specs for scenarios F-01–F-05 & F-09; cover remaining paths alongside bulk action work.
+- [x] Implement checkpoints page manager smoke tests covering initialization and duplicate badge wiring.
+- [x] Outline focused checkpoints scenarios (filtering, sorting, duplicate badge toggles) to feed into the shared test matrix.
+- [ ] Add duplicate badge regression coverage for zero/pending states after API refreshes.
 
 Maintaining this roadmap alongside code changes will make it easier to append new automated test tasks and update their progress.

docs/library-switching.md

@@ -0,0 +1,28 @@
+# Library Switching and Preview Routes
+
+Library switching no longer requires restarting the backend. The preview
+thumbnails shown in the UI are now served through a dynamic endpoint that
+resolves files against the folders registered for the active library at request
+time. This allows the multi-library flow to update model roots without touching
+the aiohttp router, so previews remain available immediately after a switch.
+
+## How the dynamic preview endpoint works
+
+* `config.get_preview_static_url()` now returns `/api/lm/previews?path=<encoded>`
+  for any preview path. The raw filesystem location is URL encoded so that it
+  can be passed through the query string without leaking directory structure in
+  the route itself.【F:py/config.py†L398-L404】
+* `PreviewRoutes` exposes the `/api/lm/previews` handler which validates the
+  decoded path against the directories registered for the current library. The
+  request is rejected if it falls outside those roots or if the file does not
+  exist.【F:py/routes/preview_routes.py†L5-L21】【F:py/routes/handlers/preview_handlers.py†L9-L48】
+* `Config` keeps an up-to-date cache of allowed preview roots. Every time a
+  library is applied the cache is rebuilt using the declared LoRA, checkpoint
+  and embedding directories (including symlink targets). The validation logic
+  checks preview requests against this cache.【F:py/config.py†L51-L68】【F:py/config.py†L180-L248】【F:py/config.py†L332-L346】
+
+Both the ComfyUI runtime (`LoraManager.add_routes`) and the standalone launcher
+(`StandaloneLoraManager.add_routes`) register the new preview routes instead of
+mounting a static directory per root. Switching libraries therefore works
+without restarting the application, and preview URLs generated before or after a
+switch continue to resolve correctly.【F:py/lora_manager.py†L21-L82】【F:standalone.py†L302-L315】

locales/de.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 Bytes",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Civitai API Key",
         "civitaiApiKeyPlaceholder": "Geben Sie Ihren Civitai API Key ein",
         "civitaiApiKeyHelp": "Wird für die Authentifizierung beim Herunterladen von Modellen von Civitai verwendet",
+        "openSettingsFileLocation": {
+            "label": "Einstellungsordner öffnen",
+            "tooltip": "Den Ordner mit der settings.json öffnen",
+            "success": "Einstellungsordner geöffnet",
+            "failed": "Einstellungsordner konnte nicht geöffnet werden"
+        },
         "sections": {
             "contentFiltering": "Inhaltsfilterung",
             "videoSettings": "Video-Einstellungen",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "Aktive Bibliothek",
+            "activeLibraryHelp": "Zwischen den konfigurierten Bibliotheken wechseln, um die Standardordner zu aktualisieren. Eine Änderung der Auswahl lädt die Seite neu.",
+            "loadingLibraries": "Bibliotheken werden geladen...",
+            "noLibraries": "Keine Bibliotheken konfiguriert",
             "defaultLoraRoot": "Standard-LoRA-Stammordner",
             "defaultLoraRootHelp": "Legen Sie den Standard-LoRA-Stammordner für Downloads, Importe und Verschiebungen fest",
             "defaultCheckpointRoot": "Standard-Checkpoint-Stammordner",
@@ -382,6 +393,7 @@
             "viewSelected": "Auswahl anzeigen",
             "addTags": "Allen Tags hinzufügen",
             "setBaseModel": "Basis-Modell für alle festlegen",
+            "setContentRating": "Inhaltsbewertung für alle festlegen",
             "copyAll": "Alle Syntax kopieren",
             "refreshAll": "Alle Metadaten aktualisieren",
             "moveAll": "Alle in Ordner verschieben",
@@ -517,12 +529,15 @@
         "title": "Embedding-Modelle"
     },
     "sidebar": {
-        "modelRoot": "Modell-Stammverzeichnis",
+        "modelRoot": "Stammverzeichnis",
         "collapseAll": "Alle Ordner einklappen",
         "pinSidebar": "Sidebar anheften",
         "unpinSidebar": "Sidebar lösen",
         "switchToListView": "Zur Listenansicht wechseln",
         "switchToTreeView": "Zur Baumansicht wechseln",
+        "recursiveOn": "Unterordner durchsuchen",
+        "recursiveOff": "Nur aktuellen Ordner durchsuchen",
+        "recursiveUnavailable": "Rekursive Suche ist nur in der Baumansicht verfügbar",
         "collapseAllDisabled": "Im Listenmodus nicht verfügbar"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "Inhaltsbewertung festlegen",
             "current": "Aktuell",
+            "multiple": "Mehrere Werte",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "Basis-Modell erfolgreich für {count} Modell(e) aktualisiert",
             "bulkBaseModelUpdatePartial": "{success} Modelle aktualisiert, {failed} fehlgeschlagen",
             "bulkBaseModelUpdateFailed": "Aktualisierung des Basis-Modells für ausgewählte Modelle fehlgeschlagen",
+            "bulkContentRatingUpdating": "Inhaltsbewertung wird für {count} Modell(e) aktualisiert...",
+            "bulkContentRatingSet": "Inhaltsbewertung auf {level} für {count} Modell(e) gesetzt",
+            "bulkContentRatingPartial": "Inhaltsbewertung auf {level} für {success} Modell(e) gesetzt, {failed} fehlgeschlagen",
+            "bulkContentRatingFailed": "Inhaltsbewertung für ausgewählte Modelle konnte nicht aktualisiert werden",
             "invalidCharactersRemoved": "Ungültige Zeichen aus Dateiname entfernt",
             "filenameCannotBeEmpty": "Dateiname darf nicht leer sein",
             "renameFailed": "Fehler beim Umbenennen der Datei: {message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "Kompakt-Modus {state}",
             "settingSaveFailed": "Fehler beim Speichern der Einstellung: {message}",
             "displayDensitySet": "Anzeige-Dichte auf {density} gesetzt",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "Fehler beim Ändern der Sprache: {message}",
             "cacheCleared": "Cache-Dateien wurden erfolgreich gelöscht. Cache wird bei der nächsten Aktion neu aufgebaut.",
             "cacheClearFailed": "Fehler beim Löschen des Caches: {error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "Jetzt aktualisieren",
             "refreshingIn": "Aktualisierung in",
             "seconds": "Sekunden"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
 }

locales/en.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 Bytes",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Civitai API Key",
         "civitaiApiKeyPlaceholder": "Enter your Civitai API key",
         "civitaiApiKeyHelp": "Used for authentication when downloading models from Civitai",
+        "openSettingsFileLocation": {
+            "label": "Open settings folder",
+            "tooltip": "Open the folder containing settings.json",
+            "success": "Opened settings.json folder",
+            "failed": "Failed to open settings.json folder"
+        },
         "sections": {
             "contentFiltering": "Content Filtering",
             "videoSettings": "Video Settings",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "Active Library",
+            "activeLibraryHelp": "Switch between configured libraries to update default folders. Changing the selection reloads the page.",
+            "loadingLibraries": "Loading libraries...",
+            "noLibraries": "No libraries configured",
             "defaultLoraRoot": "Default LoRA Root",
             "defaultLoraRootHelp": "Set the default LoRA root directory for downloads, imports and moves",
             "defaultCheckpointRoot": "Default Checkpoint Root",
@@ -382,6 +393,7 @@
             "viewSelected": "View Selected",
             "addTags": "Add Tags to All",
             "setBaseModel": "Set Base Model for All",
+            "setContentRating": "Set Content Rating for All",
             "copyAll": "Copy All Syntax",
             "refreshAll": "Refresh All Metadata",
             "moveAll": "Move All to Folder",
@@ -517,12 +529,15 @@
         "title": "Embedding Models"
     },
     "sidebar": {
-        "modelRoot": "Model Root",
+        "modelRoot": "Root",
         "collapseAll": "Collapse All Folders",
         "pinSidebar": "Pin Sidebar",
         "unpinSidebar": "Unpin Sidebar",
         "switchToListView": "Switch to List View",
         "switchToTreeView": "Switch to Tree View",
+        "recursiveOn": "Search subfolders",
+        "recursiveOff": "Search current folder only",
+        "recursiveUnavailable": "Recursive search is available in tree view only",
         "collapseAllDisabled": "Not available in list view"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "Set Content Rating",
             "current": "Current",
+            "multiple": "Multiple values",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "Successfully updated base model for {count} model(s)",
             "bulkBaseModelUpdatePartial": "Updated {success} model(s), failed {failed} model(s)",
             "bulkBaseModelUpdateFailed": "Failed to update base model for selected models",
+            "bulkContentRatingUpdating": "Updating content rating for {count} model(s)...",
+            "bulkContentRatingSet": "Set content rating to {level} for {count} model(s)",
+            "bulkContentRatingPartial": "Set content rating to {level} for {success} model(s), {failed} failed",
+            "bulkContentRatingFailed": "Failed to update content rating for selected models",
             "invalidCharactersRemoved": "Invalid characters removed from filename",
             "filenameCannotBeEmpty": "File name cannot be empty",
             "renameFailed": "Failed to rename file: {message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "Compact Mode {state}",
             "settingSaveFailed": "Failed to save setting: {message}",
             "displayDensitySet": "Display Density set to {density}",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "Failed to change language: {message}",
             "cacheCleared": "Cache files have been cleared successfully. Cache will rebuild on next action.",
             "cacheClearFailed": "Failed to clear cache: {error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "Refresh Now",
             "refreshingIn": "Refreshing in",
             "seconds": "seconds"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
 }

locales/es.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 Bytes",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Clave API de Civitai",
         "civitaiApiKeyPlaceholder": "Introduce tu clave API de Civitai",
         "civitaiApiKeyHelp": "Utilizada para autenticación al descargar modelos de Civitai",
+        "openSettingsFileLocation": {
+            "label": "Abrir carpeta de ajustes",
+            "tooltip": "Abrir la carpeta que contiene settings.json",
+            "success": "Carpeta de settings.json abierta",
+            "failed": "No se pudo abrir la carpeta de settings.json"
+        },
         "sections": {
             "contentFiltering": "Filtrado de contenido",
             "videoSettings": "Configuración de video",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "Biblioteca activa",
+            "activeLibraryHelp": "Alterna entre las bibliotecas configuradas para actualizar las carpetas predeterminadas. Cambiar la selección recarga la página.",
+            "loadingLibraries": "Cargando bibliotecas...",
+            "noLibraries": "No hay bibliotecas configuradas",
             "defaultLoraRoot": "Raíz predeterminada de LoRA",
             "defaultLoraRootHelp": "Establecer el directorio raíz predeterminado de LoRA para descargas, importaciones y movimientos",
             "defaultCheckpointRoot": "Raíz predeterminada de checkpoint",
@@ -382,6 +393,7 @@
             "viewSelected": "Ver seleccionados",
             "addTags": "Añadir etiquetas a todos",
             "setBaseModel": "Establecer modelo base para todos",
+            "setContentRating": "Establecer clasificación de contenido para todos",
             "copyAll": "Copiar toda la sintaxis",
             "refreshAll": "Actualizar todos los metadatos",
             "moveAll": "Mover todos a carpeta",
@@ -517,12 +529,15 @@
         "title": "Modelos embedding"
     },
     "sidebar": {
-        "modelRoot": "Raíz del modelo",
+        "modelRoot": "Raíz",
         "collapseAll": "Colapsar todas las carpetas",
         "pinSidebar": "Fijar barra lateral",
         "unpinSidebar": "Desfijar barra lateral",
         "switchToListView": "Cambiar a vista de lista",
         "switchToTreeView": "Cambiar a vista de árbol",
+        "recursiveOn": "Buscar en subcarpetas",
+        "recursiveOff": "Buscar solo en la carpeta actual",
+        "recursiveUnavailable": "La búsqueda recursiva solo está disponible en la vista en árbol",
         "collapseAllDisabled": "No disponible en vista de lista"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "Establecer clasificación de contenido",
             "current": "Actual",
+            "multiple": "Valores múltiples",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "Modelo base actualizado exitosamente para {count} modelo(s)",
             "bulkBaseModelUpdatePartial": "Actualizados {success} modelo(s), fallaron {failed} modelo(s)",
             "bulkBaseModelUpdateFailed": "Error al actualizar el modelo base para los modelos seleccionados",
+            "bulkContentRatingUpdating": "Actualizando la clasificación de contenido para {count} modelo(s)...",
+            "bulkContentRatingSet": "Clasificación de contenido establecida en {level} para {count} modelo(s)",
+            "bulkContentRatingPartial": "Clasificación de contenido establecida en {level} para {success} modelo(s), {failed} fallaron",
+            "bulkContentRatingFailed": "No se pudo actualizar la clasificación de contenido para los modelos seleccionados",
             "invalidCharactersRemoved": "Caracteres inválidos eliminados del nombre de archivo",
             "filenameCannotBeEmpty": "El nombre de archivo no puede estar vacío",
             "renameFailed": "Error al renombrar archivo: {message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "Modo compacto {state}",
             "settingSaveFailed": "Error al guardar configuración: {message}",
             "displayDensitySet": "Densidad de visualización establecida a {density}",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "Error al cambiar idioma: {message}",
             "cacheCleared": "Archivos de caché limpiados exitosamente. La caché se reconstruirá en la próxima acción.",
             "cacheClearFailed": "Error al limpiar caché: {error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "Actualizar ahora",
             "refreshingIn": "Actualizando en",
             "seconds": "segundos"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
 }

locales/fr.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 Octets",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Clé API Civitai",
         "civitaiApiKeyPlaceholder": "Entrez votre clé API Civitai",
         "civitaiApiKeyHelp": "Utilisée pour l'authentification lors du téléchargement de modèles depuis Civitai",
+        "openSettingsFileLocation": {
+            "label": "Ouvrir le dossier des paramètres",
+            "tooltip": "Ouvrir le dossier contenant settings.json",
+            "success": "Dossier settings.json ouvert",
+            "failed": "Impossible d'ouvrir le dossier settings.json"
+        },
         "sections": {
             "contentFiltering": "Filtrage du contenu",
             "videoSettings": "Paramètres vidéo",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "Bibliothèque active",
+            "activeLibraryHelp": "Basculer entre les bibliothèques configurées pour mettre à jour les dossiers par défaut. Changer la sélection recharge la page.",
+            "loadingLibraries": "Chargement des bibliothèques...",
+            "noLibraries": "Aucune bibliothèque configurée",
             "defaultLoraRoot": "Racine LoRA par défaut",
             "defaultLoraRootHelp": "Définir le répertoire racine LoRA par défaut pour les téléchargements, imports et déplacements",
             "defaultCheckpointRoot": "Racine Checkpoint par défaut",
@@ -382,6 +393,7 @@
             "viewSelected": "Voir la sélection",
             "addTags": "Ajouter des tags à tous",
             "setBaseModel": "Définir le modèle de base pour tous",
+            "setContentRating": "Définir la classification du contenu pour tous",
             "copyAll": "Copier toute la syntaxe",
             "refreshAll": "Actualiser toutes les métadonnées",
             "moveAll": "Déplacer tout vers un dossier",
@@ -517,12 +529,15 @@
         "title": "Modèles Embedding"
     },
     "sidebar": {
-        "modelRoot": "Racine du modèle",
+        "modelRoot": "Racine",
         "collapseAll": "Réduire tous les dossiers",
         "pinSidebar": "Épingler la barre latérale",
         "unpinSidebar": "Désépingler la barre latérale",
         "switchToListView": "Passer en vue liste",
         "switchToTreeView": "Passer en vue arborescence",
+        "recursiveOn": "Rechercher dans les sous-dossiers",
+        "recursiveOff": "Rechercher uniquement dans le dossier actuel",
+        "recursiveUnavailable": "La recherche récursive n'est disponible qu'en vue arborescente",
         "collapseAllDisabled": "Non disponible en vue liste"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "Définir la classification du contenu",
             "current": "Actuel",
+            "multiple": "Valeurs multiples",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "Modèle de base mis à jour avec succès pour {count} modèle(s)",
             "bulkBaseModelUpdatePartial": "{success} modèle(s) mis à jour, {failed} modèle(s) en échec",
             "bulkBaseModelUpdateFailed": "Échec de la mise à jour du modèle de base pour les modèles sélectionnés",
+            "bulkContentRatingUpdating": "Mise à jour de la classification du contenu pour {count} modèle(s)...",
+            "bulkContentRatingSet": "Classification du contenu définie sur {level} pour {count} modèle(s)",
+            "bulkContentRatingPartial": "Classification du contenu définie sur {level} pour {success} modèle(s), {failed} échec(s)",
+            "bulkContentRatingFailed": "Impossible de mettre à jour la classification du contenu pour les modèles sélectionnés",
             "invalidCharactersRemoved": "Caractères invalides supprimés du nom de fichier",
             "filenameCannotBeEmpty": "Le nom de fichier ne peut pas être vide",
             "renameFailed": "Échec du renommage du fichier : {message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "Mode compact {state}",
             "settingSaveFailed": "Échec de la sauvegarde du paramètre : {message}",
             "displayDensitySet": "Densité d'affichage définie sur {density}",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "Échec du changement de langue : {message}",
             "cacheCleared": "Les fichiers de cache ont été vidés avec succès. Le cache sera reconstruit à la prochaine action.",
             "cacheClearFailed": "Échec du vidage du cache : {error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "Actualiser maintenant",
             "refreshingIn": "Actualisation dans",
             "seconds": "secondes"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
 }

locales/ja.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0バイト",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Civitai APIキー",
         "civitaiApiKeyPlaceholder": "Civitai APIキーを入力してください",
         "civitaiApiKeyHelp": "Civitaiからモデルをダウンロードするときの認証に使用されます",
+        "openSettingsFileLocation": {
+            "label": "設定フォルダーを開く",
+            "tooltip": "settings.json を含むフォルダーを開きます",
+            "success": "settings.json フォルダーを開きました",
+            "failed": "settings.json フォルダーを開けませんでした"
+        },
         "sections": {
             "contentFiltering": "コンテンツフィルタリング",
             "videoSettings": "動画設定",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "アクティブライブラリ",
+            "activeLibraryHelp": "設定済みのライブラリを切り替えてデフォルトのフォルダを更新します。選択を変更するとページが再読み込みされます。",
+            "loadingLibraries": "ライブラリを読み込み中...",
+            "noLibraries": "ライブラリが設定されていません",
             "defaultLoraRoot": "デフォルトLoRAルート",
             "defaultLoraRootHelp": "ダウンロード、インポート、移動用のデフォルトLoRAルートディレクトリを設定",
             "defaultCheckpointRoot": "デフォルトCheckpointルート",
@@ -382,6 +393,7 @@
             "viewSelected": "選択中を表示",
             "addTags": "すべてにタグを追加",
             "setBaseModel": "すべてにベースモデルを設定",
+            "setContentRating": "すべてのモデルのコンテンツレーティングを設定",
             "copyAll": "すべての構文をコピー",
             "refreshAll": "すべてのメタデータを更新",
             "moveAll": "すべてをフォルダに移動",
@@ -517,12 +529,15 @@
         "title": "Embeddingモデル"
     },
     "sidebar": {
-        "modelRoot": "モデルルート",
+        "modelRoot": "ルート",
         "collapseAll": "すべてのフォルダを折りたたむ",
         "pinSidebar": "サイドバーを固定",
         "unpinSidebar": "サイドバーの固定を解除",
         "switchToListView": "リストビューに切り替え",
-        "switchToTreeView": "ツリービューに切り替え",
+        "switchToTreeView": "ツリー表示に切り替え",
+        "recursiveOn": "サブフォルダーを検索",
+        "recursiveOff": "現在のフォルダーのみを検索",
+        "recursiveUnavailable": "再帰検索はツリービューでのみ利用できます",
         "collapseAllDisabled": "リストビューでは利用できません"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "コンテンツレーティングを設定",
             "current": "現在",
+            "multiple": "複数の値",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "{count} モデルのベースモデルが正常に更新されました",
             "bulkBaseModelUpdatePartial": "{success} モデルを更新、{failed} モデルは失敗しました",
             "bulkBaseModelUpdateFailed": "選択したモデルのベースモデルの更新に失敗しました",
+            "bulkContentRatingUpdating": "{count} 件のモデルのコンテンツレーティングを更新中...",
+            "bulkContentRatingSet": "{count} 件のモデルのコンテンツレーティングを {level} に設定しました",
+            "bulkContentRatingPartial": "{success} 件のモデルのコンテンツレーティングを {level} に設定、{failed} 件は失敗しました",
+            "bulkContentRatingFailed": "選択したモデルのコンテンツレーティングを更新できませんでした",
             "invalidCharactersRemoved": "ファイル名から無効な文字が削除されました",
             "filenameCannotBeEmpty": "ファイル名を空にすることはできません",
             "renameFailed": "ファイル名の変更に失敗しました：{message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "コンパクトモード {state}",
             "settingSaveFailed": "設定の保存に失敗しました：{message}",
             "displayDensitySet": "表示密度が {density} に設定されました",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "言語の変更に失敗しました：{message}",
             "cacheCleared": "キャッシュファイルが正常にクリアされました。次回のアクションでキャッシュが再構築されます。",
             "cacheClearFailed": "キャッシュのクリアに失敗しました：{error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "今すぐ更新",
             "refreshingIn": "更新まで",
             "seconds": "秒"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
-}
+}

locales/ko.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 바이트",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Civitai API 키",
         "civitaiApiKeyPlaceholder": "Civitai API 키를 입력하세요",
         "civitaiApiKeyHelp": "Civitai에서 모델을 다운로드할 때 인증에 사용됩니다",
+        "openSettingsFileLocation": {
+            "label": "설정 폴더 열기",
+            "tooltip": "settings.json이 있는 폴더를 엽니다",
+            "success": "settings.json 폴더를 열었습니다",
+            "failed": "settings.json 폴더를 열지 못했습니다"
+        },
         "sections": {
             "contentFiltering": "콘텐츠 필터링",
             "videoSettings": "비디오 설정",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "활성 라이브러리",
+            "activeLibraryHelp": "구성된 라이브러리를 전환하여 기본 폴더를 업데이트합니다. 선택을 변경하면 페이지가 다시 로드됩니다.",
+            "loadingLibraries": "라이브러리를 불러오는 중...",
+            "noLibraries": "구성된 라이브러리가 없습니다",
             "defaultLoraRoot": "기본 LoRA 루트",
             "defaultLoraRootHelp": "다운로드, 가져오기 및 이동을 위한 기본 LoRA 루트 디렉토리를 설정합니다",
             "defaultCheckpointRoot": "기본 Checkpoint 루트",
@@ -382,6 +393,7 @@
             "viewSelected": "선택 항목 보기",
             "addTags": "모두에 태그 추가",
             "setBaseModel": "모두에 베이스 모델 설정",
+            "setContentRating": "모든 모델에 콘텐츠 등급 설정",
             "copyAll": "모든 문법 복사",
             "refreshAll": "모든 메타데이터 새로고침",
             "moveAll": "모두 폴더로 이동",
@@ -517,12 +529,15 @@
         "title": "Embedding 모델"
     },
     "sidebar": {
-        "modelRoot": "모델 루트",
+        "modelRoot": "루트",
         "collapseAll": "모든 폴더 접기",
         "pinSidebar": "사이드바 고정",
         "unpinSidebar": "사이드바 고정 해제",
         "switchToListView": "목록 보기로 전환",
         "switchToTreeView": "트리 보기로 전환",
+        "recursiveOn": "하위 폴더 검색",
+        "recursiveOff": "현재 폴더만 검색",
+        "recursiveUnavailable": "재귀 검색은 트리 보기에서만 사용할 수 있습니다",
         "collapseAllDisabled": "목록 보기에서는 사용할 수 없습니다"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "콘텐츠 등급 설정",
             "current": "현재",
+            "multiple": "여러 값",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "{count}개의 모델에 베이스 모델이 성공적으로 업데이트되었습니다",
             "bulkBaseModelUpdatePartial": "{success}개의 모델이 업데이트되었고, {failed}개의 모델이 실패했습니다",
             "bulkBaseModelUpdateFailed": "선택한 모델의 베이스 모델 업데이트에 실패했습니다",
+            "bulkContentRatingUpdating": "{count}개 모델의 콘텐츠 등급을 업데이트하는 중...",
+            "bulkContentRatingSet": "{count}개 모델의 콘텐츠 등급을 {level}(으)로 설정했습니다",
+            "bulkContentRatingPartial": "{success}개 모델의 콘텐츠 등급을 {level}(으)로 설정했고, {failed}개는 실패했습니다",
+            "bulkContentRatingFailed": "선택한 모델의 콘텐츠 등급을 업데이트하지 못했습니다",
             "invalidCharactersRemoved": "파일명에서 잘못된 문자가 제거되었습니다",
             "filenameCannotBeEmpty": "파일 이름은 비어있을 수 없습니다",
             "renameFailed": "파일 이름 변경 실패: {message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "컴팩트 모드 {state}",
             "settingSaveFailed": "설정 저장 실패: {message}",
             "displayDensitySet": "표시 밀도가 {density}로 설정되었습니다",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "언어 변경 실패: {message}",
             "cacheCleared": "캐시 파일이 성공적으로 지워졌습니다. 다음 작업 시 캐시가 재구축됩니다.",
             "cacheClearFailed": "캐시 지우기 실패: {error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "지금 새로고침",
             "refreshingIn": "새로고침까지",
             "seconds": "초"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
-}
+}

locales/ru.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 Байт",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Ключ API Civitai",
         "civitaiApiKeyPlaceholder": "Введите ваш ключ API Civitai",
         "civitaiApiKeyHelp": "Используется для аутентификации при загрузке моделей с Civitai",
+        "openSettingsFileLocation": {
+            "label": "Открыть папку настроек",
+            "tooltip": "Открыть папку, содержащую settings.json",
+            "success": "Папка settings.json открыта",
+            "failed": "Не удалось открыть папку settings.json"
+        },
         "sections": {
             "contentFiltering": "Фильтрация контента",
             "videoSettings": "Настройки видео",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "Активная библиотека",
+            "activeLibraryHelp": "Переключайтесь между настроенными библиотеками, чтобы обновить папки по умолчанию. Изменение выбора перезагружает страницу.",
+            "loadingLibraries": "Загрузка библиотек...",
+            "noLibraries": "Библиотеки не настроены",
             "defaultLoraRoot": "Корневая папка LoRA по умолчанию",
             "defaultLoraRootHelp": "Установить корневую папку LoRA по умолчанию для загрузок, импорта и перемещений",
             "defaultCheckpointRoot": "Корневая папка Checkpoint по умолчанию",
@@ -382,6 +393,7 @@
             "viewSelected": "Просмотреть выбранные",
             "addTags": "Добавить теги ко всем",
             "setBaseModel": "Установить базовую модель для всех",
+            "setContentRating": "Установить рейтинг контента для всех",
             "copyAll": "Копировать весь синтаксис",
             "refreshAll": "Обновить все метаданные",
             "moveAll": "Переместить все в папку",
@@ -517,12 +529,15 @@
         "title": "Модели Embedding"
     },
     "sidebar": {
-        "modelRoot": "Корень моделей",
+        "modelRoot": "Корень",
         "collapseAll": "Свернуть все папки",
         "pinSidebar": "Закрепить боковую панель",
         "unpinSidebar": "Открепить боковую панель",
         "switchToListView": "Переключить на вид списка",
         "switchToTreeView": "Переключить на древовидный вид",
+        "recursiveOn": "Искать во вложенных папках",
+        "recursiveOff": "Искать только в текущей папке",
+        "recursiveUnavailable": "Рекурсивный поиск доступен только в режиме дерева",
         "collapseAllDisabled": "Недоступно в виде списка"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "Установить рейтинг контента",
             "current": "Текущий",
+            "multiple": "Несколько значений",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "Базовая модель успешно обновлена для {count} моделей",
             "bulkBaseModelUpdatePartial": "Обновлено {success} моделей, не удалось обновить {failed} моделей",
             "bulkBaseModelUpdateFailed": "Не удалось обновить базовую модель для выбранных моделей",
+            "bulkContentRatingUpdating": "Обновление рейтинга контента для {count} модель(ей)...",
+            "bulkContentRatingSet": "Рейтинг контента установлен на {level} для {count} модель(ей)",
+            "bulkContentRatingPartial": "Рейтинг контента {level} установлен для {success} модель(ей), {failed} не удалось",
+            "bulkContentRatingFailed": "Не удалось обновить рейтинг контента для выбранных моделей",
             "invalidCharactersRemoved": "Недопустимые символы удалены из имени файла",
             "filenameCannotBeEmpty": "Имя файла не может быть пустым",
             "renameFailed": "Не удалось переименовать файл: {message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "Компактный режим {state}",
             "settingSaveFailed": "Не удалось сохранить настройку: {message}",
             "displayDensitySet": "Плотность отображения установлена на {density}",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "Не удалось изменить язык: {message}",
             "cacheCleared": "Файлы кэша успешно очищены. Кэш будет пересобран при следующем действии.",
             "cacheClearFailed": "Не удалось очистить кэш: {error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "Обновить сейчас",
             "refreshingIn": "Обновление через",
             "seconds": "секунд"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
-}
+}

locales/zh-CN.json

@@ -21,11 +21,18 @@
             "disabled": "已禁用"
         },
         "language": {
-            "select": "Language",
-            "select_help": "Choose your preferred language for the interface",
+            "select": "选择语言",
+            "select_help": "选择你喜欢的界面语言",
             "english": "English",
             "chinese_simplified": "中文（简体）",
             "chinese_traditional": "中文（繁体）",
+            "russian": "俄语",
+            "german": "德语",
+            "japanese": "日语",
+            "korean": "韩语",
+            "french": "法语",
+            "spanish": "西班牙语",
+		    "Hebrew": "עברית",
             "russian": "Русский",
             "german": "Deutsch",
             "japanese": "日本語",
@@ -187,6 +194,12 @@
         "civitaiApiKey": "Civitai API 密钥",
         "civitaiApiKeyPlaceholder": "请输入你的 Civitai API 密钥",
         "civitaiApiKeyHelp": "用于从 Civitai 下载模型时的身份验证",
+        "openSettingsFileLocation": {
+            "label": "打开设置文件夹",
+            "tooltip": "打开包含 settings.json 的文件夹",
+            "success": "已打开 settings.json 文件夹",
+            "failed": "无法打开 settings.json 文件夹"
+        },
         "sections": {
             "contentFiltering": "内容过滤",
             "videoSettings": "视频设置",
@@ -234,6 +247,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "活动库",
+            "activeLibraryHelp": "在已配置的库之间切换以更新默认文件夹。更改选择将重新加载页面。",
+            "loadingLibraries": "正在加载库...",
+            "noLibraries": "尚未配置库",
             "defaultLoraRoot": "默认 LoRA 根目录",
             "defaultLoraRootHelp": "设置下载、导入和移动时的默认 LoRA 根目录",
             "defaultCheckpointRoot": "默认 Checkpoint 根目录",
@@ -382,6 +399,7 @@
             "viewSelected": "查看已选中",
             "addTags": "为所有添加标签",
             "setBaseModel": "为所有设置基础模型",
+            "setContentRating": "为全部设置内容评级",
             "copyAll": "复制全部语法",
             "refreshAll": "刷新全部元数据",
             "moveAll": "全部移动到文件夹",
@@ -517,12 +535,15 @@
         "title": "Embedding 模型"
     },
     "sidebar": {
-        "modelRoot": "模型根目录",
+        "modelRoot": "根目录",
         "collapseAll": "折叠所有文件夹",
         "pinSidebar": "固定侧边栏",
         "unpinSidebar": "取消固定侧边栏",
         "switchToListView": "切换到列表视图",
         "switchToTreeView": "切换到树状视图",
+        "recursiveOn": "搜索子文件夹",
+        "recursiveOff": "仅搜索当前文件夹",
+        "recursiveUnavailable": "仅在树形视图中可使用递归搜索",
         "collapseAllDisabled": "列表视图下不可用"
     },
     "statistics": {
@@ -606,6 +627,7 @@
         "contentRating": {
             "title": "设置内容评级",
             "current": "当前",
+            "multiple": "多个值",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1106,10 @@
             "bulkBaseModelUpdateSuccess": "成功为 {count} 个模型更新基础模型",
             "bulkBaseModelUpdatePartial": "更新了 {success} 个模型，{failed} 个失败",
             "bulkBaseModelUpdateFailed": "为选中模型更新基础模型失败",
+            "bulkContentRatingUpdating": "正在为 {count} 个模型更新内容评级...",
+            "bulkContentRatingSet": "已将 {count} 个模型的内容评级设置为 {level}",
+            "bulkContentRatingPartial": "已将 {success} 个模型的内容评级设置为 {level}，{failed} 个失败",
+            "bulkContentRatingFailed": "未能更新所选模型的内容评级",
             "invalidCharactersRemoved": "文件名中的无效字符已移除",
             "filenameCannotBeEmpty": "文件名不能为空",
             "renameFailed": "重命名文件失败：{message}",
@@ -1118,6 +1144,8 @@
             "compactModeToggled": "紧凑模式 {state}",
             "settingSaveFailed": "保存设置失败：{message}",
             "displayDensitySet": "显示密度已设置为 {density}",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "切换语言失败：{message}",
             "cacheCleared": "缓存文件已成功清除。下次操作将重建缓存。",
             "cacheClearFailed": "清除缓存失败：{error}",
@@ -1237,6 +1265,12 @@
             "refreshNow": "立即刷新",
             "refreshingIn": "将在",
             "seconds": "秒后刷新"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
-}
+}

locales/zh-TW.json

@@ -31,7 +31,8 @@
             "japanese": "日本語",
             "korean": "한국어",
             "french": "Français",
-            "spanish": "Español"
+            "spanish": "Español",
+			"Hebrew": "עברית"
         },
         "fileSize": {
             "zero": "0 位元組",
@@ -187,6 +188,12 @@
         "civitaiApiKey": "Civitai API 金鑰",
         "civitaiApiKeyPlaceholder": "請輸入您的 Civitai API 金鑰",
         "civitaiApiKeyHelp": "用於從 Civitai 下載模型時的身份驗證",
+        "openSettingsFileLocation": {
+            "label": "開啟設定資料夾",
+            "tooltip": "開啟包含 settings.json 的資料夾",
+            "success": "已開啟 settings.json 資料夾",
+            "failed": "無法開啟 settings.json 資料夾"
+        },
         "sections": {
             "contentFiltering": "內容過濾",
             "videoSettings": "影片設定",
@@ -234,6 +241,10 @@
             }
         },
         "folderSettings": {
+            "activeLibrary": "使用中的資料庫",
+            "activeLibraryHelp": "在已設定的資料庫之間切換以更新預設資料夾。變更選項會重新載入頁面。",
+            "loadingLibraries": "正在載入資料庫...",
+            "noLibraries": "尚未設定任何資料庫",
             "defaultLoraRoot": "預設 LoRA 根目錄",
             "defaultLoraRootHelp": "設定下載、匯入和移動時的預設 LoRA 根目錄",
             "defaultCheckpointRoot": "預設 Checkpoint 根目錄",
@@ -382,6 +393,7 @@
             "viewSelected": "檢視已選取",
             "addTags": "新增標籤到全部",
             "setBaseModel": "設定全部基礎模型",
+            "setContentRating": "為全部設定內容分級",
             "copyAll": "複製全部語法",
             "refreshAll": "刷新全部 metadata",
             "moveAll": "全部移動到資料夾",
@@ -517,12 +529,15 @@
         "title": "Embedding 模型"
     },
     "sidebar": {
-        "modelRoot": "模型根目錄",
+        "modelRoot": "根目錄",
         "collapseAll": "全部摺疊資料夾",
         "pinSidebar": "固定側邊欄",
         "unpinSidebar": "取消固定側邊欄",
         "switchToListView": "切換至列表檢視",
-        "switchToTreeView": "切換至樹狀檢視",
+        "switchToTreeView": "切換到樹狀檢視",
+        "recursiveOn": "搜尋子資料夾",
+        "recursiveOff": "僅搜尋目前資料夾",
+        "recursiveUnavailable": "遞迴搜尋僅能在樹狀檢視中使用",
         "collapseAllDisabled": "列表檢視下不可用"
     },
     "statistics": {
@@ -606,6 +621,7 @@
         "contentRating": {
             "title": "設定內容分級",
             "current": "目前",
+            "multiple": "多個值",
             "levels": {
                 "pg": "PG",
                 "pg13": "PG13",
@@ -1084,6 +1100,10 @@
             "bulkBaseModelUpdateSuccess": "已成功為 {count} 個模型更新基礎模型",
             "bulkBaseModelUpdatePartial": "已更新 {success} 個模型，{failed} 個模型失敗",
             "bulkBaseModelUpdateFailed": "更新所選模型的基礎模型失敗",
+            "bulkContentRatingUpdating": "正在為 {count} 個模型更新內容分級...",
+            "bulkContentRatingSet": "已將 {count} 個模型的內容分級設定為 {level}",
+            "bulkContentRatingPartial": "已將 {success} 個模型的內容分級設定為 {level}，{failed} 個失敗",
+            "bulkContentRatingFailed": "無法更新所選模型的內容分級",
             "invalidCharactersRemoved": "已移除檔名中的無效字元",
             "filenameCannotBeEmpty": "檔案名稱不可為空",
             "renameFailed": "重新命名檔案失敗：{message}",
@@ -1118,6 +1138,8 @@
             "compactModeToggled": "緊湊模式已{state}",
             "settingSaveFailed": "儲存設定失敗：{message}",
             "displayDensitySet": "顯示密度已設為 {density}",
+            "libraryLoadFailed": "Failed to load libraries: {message}",
+            "libraryActivateFailed": "Failed to activate library: {message}",
             "languageChangeFailed": "切換語言失敗：{message}",
             "cacheCleared": "快取檔案已成功清除。快取將於下次操作時重建。",
             "cacheClearFailed": "清除快取失敗：{error}",
@@ -1237,6 +1259,12 @@
             "refreshNow": "立即重新整理",
             "refreshingIn": "將於",
             "seconds": "秒後重新整理"
+        },
+        "communitySupport": {
+            "title": "Keep LoRA Manager Thriving with Your Support ❤️",
+            "content": "LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.",
+            "supportCta": "Support on Ko-fi",
+            "learnMore": "LM Civitai Extension Tutorial"
         }
     }
-}
+}

package.json

@@ -5,7 +5,8 @@
   "type": "module",
   "scripts": {
     "test": "vitest run",
-    "test:watch": "vitest"
+    "test:watch": "vitest",
+    "test:coverage": "node scripts/run_frontend_coverage.js"
   },
   "devDependencies": {
     "jsdom": "^24.0.0",

py/config.py

@@ -1,16 +1,50 @@
 import os
 import platform
+from pathlib import Path
 import folder_paths # type: ignore
-from typing import List
+from typing import Dict, Iterable, List, Mapping, Set
 import logging
 import json
 import urllib.parse
 
+from .utils.settings_paths import ensure_settings_file
+
 # Use an environment variable to control standalone mode
-standalone_mode = os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
+standalone_mode = os.environ.get("LORA_MANAGER_STANDALONE", "0") == "1" or os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
 
 logger = logging.getLogger(__name__)
 
+
+def _normalize_folder_paths_for_comparison(
+    folder_paths: Mapping[str, Iterable[str]]
+) -> Dict[str, Set[str]]:
+    """Normalize folder paths for comparison across libraries."""
+
+    normalized: Dict[str, Set[str]] = {}
+    for key, values in folder_paths.items():
+        if isinstance(values, str):
+            candidate_values: Iterable[str] = [values]
+        else:
+            try:
+                candidate_values = iter(values)
+            except TypeError:
+                continue
+
+        normalized_values: Set[str] = set()
+        for value in candidate_values:
+            if not isinstance(value, str):
+                continue
+            stripped = value.strip()
+            if not stripped:
+                continue
+            normalized_values.add(os.path.normcase(os.path.normpath(stripped)))
+
+        if normalized_values:
+            normalized[key] = normalized_values
+
+    return normalized
+
+
 class Config:
     """Global configuration for LoRA Manager"""
     
@@ -19,9 +53,9 @@ class Config:
         self.static_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'static')
         self.i18n_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'locales')
         # Path mapping dictionary, target to link mapping
-        self._path_mappings = {}
-        # Static route mapping dictionary, target to route mapping
-        self._route_mappings = {}
+        self._path_mappings: Dict[str, str] = {}
+        # Normalized preview root directories used to validate preview access
+        self._preview_root_paths: Set[Path] = set()
         self.loras_roots = self._init_lora_paths()
         self.checkpoints_roots = None
         self.unet_roots = None
@@ -30,45 +64,74 @@ class Config:
         self.embeddings_roots = self._init_embedding_paths()
         # Scan symbolic links during initialization
         self._scan_symbolic_links()
+        self._rebuild_preview_roots()
         
         if not standalone_mode:
             # Save the paths to settings.json when running in ComfyUI mode
             self.save_folder_paths_to_settings()
 
     def save_folder_paths_to_settings(self):
-        """Save folder paths to settings.json for standalone mode to use later"""
+        """Persist ComfyUI-derived folder paths to the multi-library settings."""
         try:
-            # Check if we're running in ComfyUI mode (not standalone)           
-            # Load existing settings
-            settings_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'settings.json')
-            settings = {}
-            if os.path.exists(settings_path):
-                with open(settings_path, 'r', encoding='utf-8') as f:
-                    settings = json.load(f)
-            
-            # Update settings with paths
-            settings['folder_paths'] = {
-                'loras': self.loras_roots,
-                'checkpoints': self.checkpoints_roots,
-                'unet': self.unet_roots,
-                'embeddings': self.embeddings_roots,
-            }
-            
-            # Add default roots if there's only one item and key doesn't exist
-            if len(self.loras_roots) == 1 and "default_lora_root" not in settings:
-                settings["default_lora_root"] = self.loras_roots[0]
-            
-            if self.checkpoints_roots and len(self.checkpoints_roots) == 1 and "default_checkpoint_root" not in settings:
-                settings["default_checkpoint_root"] = self.checkpoints_roots[0]
+            ensure_settings_file(logger)
+            from .services.settings_manager import get_settings_manager
 
-            if self.embeddings_roots and len(self.embeddings_roots) == 1 and "default_embedding_root" not in settings:
-                settings["default_embedding_root"] = self.embeddings_roots[0]
-            
-            # Save settings
-            with open(settings_path, 'w', encoding='utf-8') as f:
-                json.dump(settings, f, indent=2)
-            
-            logger.info("Saved folder paths to settings.json")
+            settings_service = get_settings_manager()
+            libraries = settings_service.get_libraries()
+            comfy_library = libraries.get("comfyui", {})
+            default_library = libraries.get("default", {})
+
+            target_folder_paths = {
+                'loras': list(self.loras_roots),
+                'checkpoints': list(self.checkpoints_roots or []),
+                'unet': list(self.unet_roots or []),
+                'embeddings': list(self.embeddings_roots or []),
+            }
+
+            normalized_target_paths = _normalize_folder_paths_for_comparison(target_folder_paths)
+
+            if (not comfy_library and default_library and normalized_target_paths and
+                    _normalize_folder_paths_for_comparison(default_library.get("folder_paths", {})) ==
+                    normalized_target_paths):
+                try:
+                    settings_service.rename_library("default", "comfyui")
+                    logger.info("Renamed legacy 'default' library to 'comfyui'")
+                    libraries = settings_service.get_libraries()
+                    comfy_library = libraries.get("comfyui", {})
+                except Exception as rename_error:
+                    logger.debug(
+                        "Failed to rename legacy 'default' library: %s", rename_error
+                    )
+
+            default_lora_root = comfy_library.get("default_lora_root", "")
+            if not default_lora_root and len(self.loras_roots) == 1:
+                default_lora_root = self.loras_roots[0]
+
+            default_checkpoint_root = comfy_library.get("default_checkpoint_root", "")
+            if (not default_checkpoint_root and self.checkpoints_roots and
+                    len(self.checkpoints_roots) == 1):
+                default_checkpoint_root = self.checkpoints_roots[0]
+
+            default_embedding_root = comfy_library.get("default_embedding_root", "")
+            if (not default_embedding_root and self.embeddings_roots and
+                    len(self.embeddings_roots) == 1):
+                default_embedding_root = self.embeddings_roots[0]
+
+            metadata = dict(comfy_library.get("metadata", {}))
+            metadata.setdefault("display_name", "ComfyUI")
+            metadata["source"] = "comfyui"
+
+            settings_service.upsert_library(
+                "comfyui",
+                folder_paths=target_folder_paths,
+                default_lora_root=default_lora_root,
+                default_checkpoint_root=default_checkpoint_root,
+                default_embedding_root=default_embedding_root,
+                metadata=metadata,
+                activate=True,
+            )
+
+            logger.info("Updated 'comfyui' library with current folder paths")
         except Exception as e:
             logger.warning(f"Failed to save folder paths: {e}")
 
@@ -125,12 +188,65 @@ class Config:
         # Keep the original mapping: target path -> link path
         self._path_mappings[normalized_target] = normalized_link
         logger.info(f"Added path mapping: {normalized_target} -> {normalized_link}")
+        self._preview_root_paths.update(self._expand_preview_root(normalized_target))
+        self._preview_root_paths.update(self._expand_preview_root(normalized_link))
 
-    def add_route_mapping(self, path: str, route: str):
-        """Add a static route mapping"""
-        normalized_path = os.path.normpath(path).replace(os.sep, '/')
-        self._route_mappings[normalized_path] = route
-        # logger.info(f"Added route mapping: {normalized_path} -> {route}")
+    def _expand_preview_root(self, path: str) -> Set[Path]:
+        """Return normalized ``Path`` objects representing a preview root."""
+
+        roots: Set[Path] = set()
+        if not path:
+            return roots
+
+        try:
+            raw_path = Path(path).expanduser()
+        except Exception:
+            return roots
+
+        if raw_path.is_absolute():
+            roots.add(raw_path)
+
+        try:
+            resolved = raw_path.resolve(strict=False)
+        except RuntimeError:
+            resolved = raw_path.absolute()
+        roots.add(resolved)
+
+        try:
+            real_path = raw_path.resolve()
+        except (FileNotFoundError, RuntimeError):
+            real_path = resolved
+        roots.add(real_path)
+
+        normalized: Set[Path] = set()
+        for candidate in roots:
+            if candidate.is_absolute():
+                normalized.add(candidate)
+            else:
+                try:
+                    normalized.add(candidate.resolve(strict=False))
+                except RuntimeError:
+                    normalized.add(candidate.absolute())
+
+        return normalized
+
+    def _rebuild_preview_roots(self) -> None:
+        """Recompute the cache of directories permitted for previews."""
+
+        preview_roots: Set[Path] = set()
+
+        for root in self.loras_roots or []:
+            preview_roots.update(self._expand_preview_root(root))
+        for root in self.base_models_roots or []:
+            preview_roots.update(self._expand_preview_root(root))
+        for root in self.embeddings_roots or []:
+            preview_roots.update(self._expand_preview_root(root))
+
+        for target, link in self._path_mappings.items():
+            preview_roots.update(self._expand_preview_root(target))
+            preview_roots.update(self._expand_preview_root(link))
+
+        self._preview_root_paths = {path for path in preview_roots if path.is_absolute()}
 
     def map_path_to_link(self, path: str) -> str:
         """Map a target path back to its symbolic link path"""
@@ -154,31 +270,93 @@ class Config:
                 return mapped_path
         return link_path
 
+    def _dedupe_existing_paths(self, raw_paths: Iterable[str]) -> Dict[str, str]:
+        dedup: Dict[str, str] = {}
+        for path in raw_paths:
+            if not isinstance(path, str):
+                continue
+            if not os.path.exists(path):
+                continue
+            real_path = os.path.normpath(os.path.realpath(path)).replace(os.sep, '/')
+            normalized = os.path.normpath(path).replace(os.sep, '/')
+            if real_path not in dedup:
+                dedup[real_path] = normalized
+        return dedup
+
+    def _prepare_lora_paths(self, raw_paths: Iterable[str]) -> List[str]:
+        path_map = self._dedupe_existing_paths(raw_paths)
+        unique_paths = sorted(path_map.values(), key=lambda p: p.lower())
+
+        for original_path in unique_paths:
+            real_path = os.path.normpath(os.path.realpath(original_path)).replace(os.sep, '/')
+            if real_path != original_path:
+                self.add_path_mapping(original_path, real_path)
+
+        return unique_paths
+
+    def _prepare_checkpoint_paths(
+        self, checkpoint_paths: Iterable[str], unet_paths: Iterable[str]
+    ) -> List[str]:
+        checkpoint_map = self._dedupe_existing_paths(checkpoint_paths)
+        unet_map = self._dedupe_existing_paths(unet_paths)
+
+        merged_map: Dict[str, str] = {}
+        for real_path, original in {**checkpoint_map, **unet_map}.items():
+            if real_path not in merged_map:
+                merged_map[real_path] = original
+
+        unique_paths = sorted(merged_map.values(), key=lambda p: p.lower())
+
+        checkpoint_values = set(checkpoint_map.values())
+        unet_values = set(unet_map.values())
+        self.checkpoints_roots = [p for p in unique_paths if p in checkpoint_values]
+        self.unet_roots = [p for p in unique_paths if p in unet_values]
+
+        for original_path in unique_paths:
+            real_path = os.path.normpath(os.path.realpath(original_path)).replace(os.sep, '/')
+            if real_path != original_path:
+                self.add_path_mapping(original_path, real_path)
+
+        return unique_paths
+
+    def _prepare_embedding_paths(self, raw_paths: Iterable[str]) -> List[str]:
+        path_map = self._dedupe_existing_paths(raw_paths)
+        unique_paths = sorted(path_map.values(), key=lambda p: p.lower())
+
+        for original_path in unique_paths:
+            real_path = os.path.normpath(os.path.realpath(original_path)).replace(os.sep, '/')
+            if real_path != original_path:
+                self.add_path_mapping(original_path, real_path)
+
+        return unique_paths
+
+    def _apply_library_paths(self, folder_paths: Mapping[str, Iterable[str]]) -> None:
+        self._path_mappings.clear()
+        self._preview_root_paths = set()
+
+        lora_paths = folder_paths.get('loras', []) or []
+        checkpoint_paths = folder_paths.get('checkpoints', []) or []
+        unet_paths = folder_paths.get('unet', []) or []
+        embedding_paths = folder_paths.get('embeddings', []) or []
+
+        self.loras_roots = self._prepare_lora_paths(lora_paths)
+        self.base_models_roots = self._prepare_checkpoint_paths(checkpoint_paths, unet_paths)
+        self.embeddings_roots = self._prepare_embedding_paths(embedding_paths)
+
+        self._scan_symbolic_links()
+        self._rebuild_preview_roots()
+
     def _init_lora_paths(self) -> List[str]:
         """Initialize and validate LoRA paths from ComfyUI settings"""
         try:
             raw_paths = folder_paths.get_folder_paths("loras")
-            
-            # Normalize and resolve symlinks, store mapping from resolved -> original
-            path_map = {}
-            for path in raw_paths:
-                if os.path.exists(path):
-                    real_path = os.path.normpath(os.path.realpath(path)).replace(os.sep, '/')
-                    path_map[real_path] = path_map.get(real_path, path.replace(os.sep, "/"))  # preserve first seen
-            
-            # Now sort and use only the deduplicated real paths
-            unique_paths = sorted(path_map.values(), key=lambda p: p.lower())
+            unique_paths = self._prepare_lora_paths(raw_paths)
             logger.info("Found LoRA roots:" + ("\n - " + "\n - ".join(unique_paths) if unique_paths else "[]"))
-            
+
             if not unique_paths:
                 logger.warning("No valid loras folders found in ComfyUI configuration")
                 return []
-            
-            for original_path in unique_paths:
-                real_path = os.path.normpath(os.path.realpath(original_path)).replace(os.sep, '/')
-                if real_path != original_path:
-                    self.add_path_mapping(original_path, real_path)
-            
+
             return unique_paths
         except Exception as e:
             logger.warning(f"Error initializing LoRA paths: {e}")
@@ -187,52 +365,17 @@ class Config:
     def _init_checkpoint_paths(self) -> List[str]:
         """Initialize and validate checkpoint paths from ComfyUI settings"""
         try:
-            # Get checkpoint paths from folder_paths
             raw_checkpoint_paths = folder_paths.get_folder_paths("checkpoints")
             raw_unet_paths = folder_paths.get_folder_paths("unet")
-            
-            # Normalize and resolve symlinks for checkpoints, store mapping from resolved -> original
-            checkpoint_map = {}
-            for path in raw_checkpoint_paths:
-                if os.path.exists(path):
-                    real_path = os.path.normpath(os.path.realpath(path)).replace(os.sep, '/')
-                    checkpoint_map[real_path] = checkpoint_map.get(real_path, path.replace(os.sep, "/"))  # preserve first seen
-            
-            # Normalize and resolve symlinks for unet, store mapping from resolved -> original
-            unet_map = {}
-            for path in raw_unet_paths:
-                if os.path.exists(path):
-                    real_path = os.path.normpath(os.path.realpath(path)).replace(os.sep, '/')
-                    unet_map[real_path] = unet_map.get(real_path, path.replace(os.sep, "/"))  # preserve first seen
-            
-            # Merge both maps and deduplicate by real path
-            merged_map = {}
-            for real_path, orig_path in {**checkpoint_map, **unet_map}.items():
-                if real_path not in merged_map:
-                    merged_map[real_path] = orig_path
+            unique_paths = self._prepare_checkpoint_paths(raw_checkpoint_paths, raw_unet_paths)
 
-            # Now sort and use only the deduplicated real paths
-            unique_paths = sorted(merged_map.values(), key=lambda p: p.lower())
-            
-            # Split back into checkpoints and unet roots for class properties
-            self.checkpoints_roots = [p for p in unique_paths if p in checkpoint_map.values()]
-            self.unet_roots = [p for p in unique_paths if p in unet_map.values()]
-            
-            all_paths = unique_paths
-            
-            logger.info("Found checkpoint roots:" + ("\n - " + "\n - ".join(all_paths) if all_paths else "[]"))
-            
-            if not all_paths:
+            logger.info("Found checkpoint roots:" + ("\n - " + "\n - ".join(unique_paths) if unique_paths else "[]"))
+
+            if not unique_paths:
                 logger.warning("No valid checkpoint folders found in ComfyUI configuration")
                 return []
-            
-            # Initialize path mappings
-            for original_path in all_paths:
-                real_path = os.path.normpath(os.path.realpath(original_path)).replace(os.sep, '/')
-                if real_path != original_path:
-                    self.add_path_mapping(original_path, real_path)
-            
-            return all_paths
+
+            return unique_paths
         except Exception as e:
             logger.warning(f"Error initializing checkpoint paths: {e}")
             return []
@@ -241,27 +384,13 @@ class Config:
         """Initialize and validate embedding paths from ComfyUI settings"""
         try:
             raw_paths = folder_paths.get_folder_paths("embeddings")
-            
-            # Normalize and resolve symlinks, store mapping from resolved -> original
-            path_map = {}
-            for path in raw_paths:
-                if os.path.exists(path):
-                    real_path = os.path.normpath(os.path.realpath(path)).replace(os.sep, '/')
-                    path_map[real_path] = path_map.get(real_path, path.replace(os.sep, "/"))  # preserve first seen
-            
-            # Now sort and use only the deduplicated real paths
-            unique_paths = sorted(path_map.values(), key=lambda p: p.lower())
+            unique_paths = self._prepare_embedding_paths(raw_paths)
             logger.info("Found embedding roots:" + ("\n - " + "\n - ".join(unique_paths) if unique_paths else "[]"))
-            
+
             if not unique_paths:
                 logger.warning("No valid embeddings folders found in ComfyUI configuration")
                 return []
-            
-            for original_path in unique_paths:
-                real_path = os.path.normpath(os.path.realpath(original_path)).replace(os.sep, '/')
-                if real_path != original_path:
-                    self.add_path_mapping(original_path, real_path)
-            
+
             return unique_paths
         except Exception as e:
             logger.warning(f"Error initializing embedding paths: {e}")
@@ -270,25 +399,62 @@ class Config:
     def get_preview_static_url(self, preview_path: str) -> str:
         if not preview_path:
             return ""
-        
-        real_path = os.path.realpath(preview_path).replace(os.sep, '/')
-        
-        # Find longest matching path (most specific match)
-        best_match = ""
-        best_route = ""
-        
-        for path, route in self._route_mappings.items():
-            if real_path.startswith(path) and len(path) > len(best_match):
-                best_match = path
-                best_route = route
-        
-        if best_match:
-            relative_path = os.path.relpath(real_path, best_match).replace(os.sep, '/')
-            safe_parts = [urllib.parse.quote(part) for part in relative_path.split('/')]
-            safe_path = '/'.join(safe_parts)
-            return f'{best_route}/{safe_path}'
-        
-        return ""
+
+        normalized = os.path.normpath(preview_path).replace(os.sep, '/')
+        encoded_path = urllib.parse.quote(normalized, safe='')
+        return f'/api/lm/previews?path={encoded_path}'
+
+    def is_preview_path_allowed(self, preview_path: str) -> bool:
+        """Return ``True`` if ``preview_path`` is within an allowed directory."""
+
+        if not preview_path:
+            return False
+
+        try:
+            candidate = Path(preview_path).expanduser().resolve(strict=False)
+        except Exception:
+            return False
+
+        for root in self._preview_root_paths:
+            try:
+                candidate.relative_to(root)
+                return True
+            except ValueError:
+                continue
+
+        return False
+
+    def apply_library_settings(self, library_config: Mapping[str, object]) -> None:
+        """Update runtime paths to match the provided library configuration."""
+        folder_paths = library_config.get('folder_paths') if isinstance(library_config, Mapping) else {}
+        if not isinstance(folder_paths, Mapping):
+            folder_paths = {}
+
+        self._apply_library_paths(folder_paths)
+
+        logger.info(
+            "Applied library settings with %d lora roots, %d checkpoint roots, and %d embedding roots",
+            len(self.loras_roots or []),
+            len(self.base_models_roots or []),
+            len(self.embeddings_roots or []),
+        )
+
+    def get_library_registry_snapshot(self) -> Dict[str, object]:
+        """Return the current library registry and active library name."""
+
+        try:
+            from .services.settings_manager import get_settings_manager
+
+            settings_service = get_settings_manager()
+            libraries = settings_service.get_libraries()
+            active_library = settings_service.get_active_library_name()
+            return {
+                "active_library": active_library,
+                "libraries": libraries,
+            }
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.debug("Failed to collect library registry snapshot: %s", exc)
+            return {"active_library": "", "libraries": {}}
 
 # Global config instance
 config = Config()

py/lora_manager.py

@@ -2,7 +2,6 @@ import asyncio
 import sys
 import os
 import logging
-from pathlib import Path
 from server import PromptServer # type: ignore
 
 from .config import config
@@ -11,9 +10,10 @@ from .routes.recipe_routes import RecipeRoutes
 from .routes.stats_routes import StatsRoutes
 from .routes.update_routes import UpdateRoutes
 from .routes.misc_routes import MiscRoutes
+from .routes.preview_routes import PreviewRoutes
 from .routes.example_images_routes import ExampleImagesRoutes
 from .services.service_registry import ServiceRegistry
-from .services.settings_manager import settings
+from .services.settings_manager import get_settings_manager
 from .utils.example_images_migration import ExampleImagesMigration
 from .services.websocket_manager import ws_manager
 from .services.example_images_cleanup_service import ExampleImagesCleanupService
@@ -23,6 +23,25 @@ logger = logging.getLogger(__name__)
 # Check if we're in standalone mode
 STANDALONE_MODE = 'nodes' not in sys.modules
 
+
+class _SettingsProxy:
+    def __init__(self):
+        self._manager = None
+
+    def _resolve(self):
+        if self._manager is None:
+            self._manager = get_settings_manager()
+        return self._manager
+
+    def get(self, *args, **kwargs):
+        return self._resolve().get(*args, **kwargs)
+
+    def __getattr__(self, item):
+        return getattr(self._resolve(), item)
+
+
+settings = _SettingsProxy()
+
 class LoraManager:
     """Main entry point for LoRA Manager plugin"""
     
@@ -50,102 +69,12 @@ class LoraManager:
         asyncio_logger = logging.getLogger("asyncio")
         asyncio_logger.addFilter(ConnectionResetFilter())
 
-        added_targets = set()  # Track already added target paths
-        
         # Add static route for example images if the path exists in settings
         example_images_path = settings.get('example_images_path')
         logger.info(f"Example images path: {example_images_path}")
         if example_images_path and os.path.exists(example_images_path):
             app.router.add_static('/example_images_static', example_images_path)
             logger.info(f"Added static route for example images: /example_images_static -> {example_images_path}")
-        
-        # Add static routes for each lora root
-        for idx, root in enumerate(config.loras_roots, start=1):
-            preview_path = f'/loras_static/root{idx}/preview'
-            
-            real_root = root
-            if root in config._path_mappings.values():
-                for target, link in config._path_mappings.items():
-                    if link == root:
-                        real_root = target
-                        break
-            # Add static route for original path
-            app.router.add_static(preview_path, real_root)
-            logger.info(f"Added static route {preview_path} -> {real_root}")
-            
-            # Record route mapping
-            config.add_route_mapping(real_root, preview_path)
-            added_targets.add(real_root)
-        
-        # Add static routes for each checkpoint root
-        for idx, root in enumerate(config.base_models_roots, start=1):
-            preview_path = f'/checkpoints_static/root{idx}/preview'
-            
-            real_root = root
-            if root in config._path_mappings.values():
-                for target, link in config._path_mappings.items():
-                    if link == root:
-                        real_root = target
-                        break
-            # Add static route for original path
-            app.router.add_static(preview_path, real_root)
-            logger.info(f"Added static route {preview_path} -> {real_root}")
-            
-            # Record route mapping
-            config.add_route_mapping(real_root, preview_path)
-            added_targets.add(real_root)
-        
-        # Add static routes for each embedding root
-        for idx, root in enumerate(config.embeddings_roots, start=1):
-            preview_path = f'/embeddings_static/root{idx}/preview'
-            
-            real_root = root
-            if root in config._path_mappings.values():
-                for target, link in config._path_mappings.items():
-                    if link == root:
-                        real_root = target
-                        break
-            # Add static route for original path
-            app.router.add_static(preview_path, real_root)
-            logger.info(f"Added static route {preview_path} -> {real_root}")
-            
-            # Record route mapping
-            config.add_route_mapping(real_root, preview_path)
-            added_targets.add(real_root)
-        
-        # Add static routes for symlink target paths
-        link_idx = {
-            'lora': 1,
-            'checkpoint': 1,
-            'embedding': 1
-        }
-        
-        for target_path, link_path in config._path_mappings.items():
-            if target_path not in added_targets:
-                # Determine if this is a checkpoint, lora, or embedding link based on path
-                is_checkpoint = any(cp_root in link_path for cp_root in config.base_models_roots)
-                is_checkpoint = is_checkpoint or any(cp_root in target_path for cp_root in config.base_models_roots)
-                is_embedding = any(emb_root in link_path for emb_root in config.embeddings_roots)
-                is_embedding = is_embedding or any(emb_root in target_path for emb_root in config.embeddings_roots)
-                
-                if is_checkpoint:
-                    route_path = f'/checkpoints_static/link_{link_idx["checkpoint"]}/preview'
-                    link_idx["checkpoint"] += 1
-                elif is_embedding:
-                    route_path = f'/embeddings_static/link_{link_idx["embedding"]}/preview'
-                    link_idx["embedding"] += 1
-                else:
-                    route_path = f'/loras_static/link_{link_idx["lora"]}/preview'
-                    link_idx["lora"] += 1
-                
-                try:
-                    app.router.add_static(route_path, Path(target_path).resolve(strict=False))
-                    logger.info(f"Added static route for link target {route_path} -> {target_path}")
-                    config.add_route_mapping(target_path, route_path)
-                    added_targets.add(target_path)
-                except Exception as e:
-                    logger.warning(f"Failed to add static route on initialization for {target_path}: {e}")
-                    continue
 
         # Add static route for locales JSON files
         if os.path.exists(config.i18n_path):
@@ -168,6 +97,7 @@ class LoraManager:
         UpdateRoutes.setup_routes(app)  
         MiscRoutes.setup_routes(app)
         ExampleImagesRoutes.setup_routes(app, ws_manager=ws_manager)
+        PreviewRoutes.setup_routes(app)
         
         # Setup WebSocket routes that are shared across all model types
         app.router.add_get('/ws/fetch-progress', ws_manager.handle_connection)

py/metadata_collector/__init__.py

@@ -1,7 +1,7 @@
 import os
 
 # Check if running in standalone mode
-standalone_mode = os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
+standalone_mode = os.environ.get("LORA_MANAGER_STANDALONE", "0") == "1" or os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
 
 if not standalone_mode:
     from .metadata_hook import MetadataHook

py/metadata_collector/metadata_processor.py

@@ -3,7 +3,7 @@ import os
 from .constants import IMAGES
 
 # Check if running in standalone mode
-standalone_mode = os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
+standalone_mode = os.environ.get("LORA_MANAGER_STANDALONE", "0") == "1" or os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
 
 from .constants import MODELS, PROMPTS, SAMPLING, LORAS, SIZE, IS_SAMPLER
 

py/recipes/parsers/civitai_image.py

@@ -284,7 +284,59 @@ class CivitaiApiMetadataParser(RecipeMetadataParser):
                             logger.error(f"Error fetching Civitai info for model ID {version_id}: {e}")
                     
                         result["loras"].append(lora_entry)
-            
+
+            # If we found LoRA hashes in the metadata but haven't already
+            # populated entries for them, fall back to creating LoRAs from
+            # the hashes section. Some Civitai image responses only include
+            # LoRA information here without explicit resources entries.
+            for lora_name, lora_hash in lora_hashes.items():
+                if not lora_hash:
+                    continue
+
+                # Skip LoRAs we've already added via resources or other fields
+                if lora_hash in added_loras:
+                    continue
+
+                lora_entry = {
+                    'name': lora_name,
+                    'type': "lora",
+                    'weight': 1.0,
+                    'hash': lora_hash,
+                    'existsLocally': False,
+                    'localPath': None,
+                    'file_name': lora_name,
+                    'thumbnailUrl': '/loras_static/images/no-preview.png',
+                    'baseModel': '',
+                    'size': 0,
+                    'downloadUrl': '',
+                    'isDeleted': False
+                }
+
+                if metadata_provider:
+                    try:
+                        civitai_info = await metadata_provider.get_model_by_hash(lora_hash)
+
+                        populated_entry = await self.populate_lora_from_civitai(
+                            lora_entry,
+                            civitai_info,
+                            recipe_scanner,
+                            base_model_counts,
+                            lora_hash
+                        )
+
+                        if populated_entry is None:
+                            continue
+
+                        lora_entry = populated_entry
+
+                        if 'id' in lora_entry and lora_entry['id']:
+                            added_loras[str(lora_entry['id'])] = len(result["loras"])
+                    except Exception as e:
+                        logger.error(f"Error fetching Civitai info for LoRA hash {lora_hash}: {e}")
+
+                added_loras[lora_hash] = len(result["loras"])
+                result["loras"].append(lora_entry)
+
             # Check for LoRA info in the format "Lora_0 Model hash", "Lora_0 Model name", etc.
             lora_index = 0
             while f"Lora_{lora_index} Model hash" in metadata and f"Lora_{lora_index} Model name" in metadata:

py/routes/base_model_routes.py

@@ -17,7 +17,7 @@ from ..services.model_lifecycle_service import ModelLifecycleService
 from ..services.preview_asset_service import PreviewAssetService
 from ..services.server_i18n import server_i18n as default_server_i18n
 from ..services.service_registry import ServiceRegistry
-from ..services.settings_manager import settings as default_settings
+from ..services.settings_manager import get_settings_manager
 from ..services.tag_update_service import TagUpdateService
 from ..services.websocket_manager import ws_manager as default_ws_manager
 from ..services.use_cases import (
@@ -56,14 +56,14 @@ class BaseModelRoutes(ABC):
         self,
         service=None,
         *,
-        settings_service=default_settings,
+        settings_service=None,
         ws_manager=default_ws_manager,
         server_i18n=default_server_i18n,
         metadata_provider_factory=get_default_metadata_provider,
     ) -> None:
         self.service = None
         self.model_type = ""
-        self._settings = settings_service
+        self._settings = settings_service or get_settings_manager()
         self._ws_manager = ws_manager
         self._server_i18n = server_i18n
         self._metadata_provider_factory = metadata_provider_factory
@@ -90,7 +90,7 @@ class BaseModelRoutes(ABC):
         self._metadata_sync_service = MetadataSyncService(
             metadata_manager=MetadataManager,
             preview_service=self._preview_service,
-            settings=settings_service,
+            settings=self._settings,
             default_metadata_provider_factory=metadata_provider_factory,
             metadata_provider_selector=get_metadata_provider,
         )

py/routes/base_recipe_routes.py

@@ -18,7 +18,7 @@ from ..services.recipes import (
 )
 from ..services.server_i18n import server_i18n
 from ..services.service_registry import ServiceRegistry
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 from ..utils.constants import CARD_PREVIEW_WIDTH
 from ..utils.exif_utils import ExifUtils
 from .handlers.recipe_handlers import (
@@ -48,7 +48,7 @@ class BaseRecipeRoutes:
         self.recipe_scanner = None
         self.lora_scanner = None
         self.civitai_client = None
-        self.settings = settings
+        self.settings = get_settings_manager()
         self.server_i18n = server_i18n
         self.template_env = jinja2.Environment(
             loader=jinja2.FileSystemLoader(config.templates_path),
@@ -134,7 +134,7 @@ class BaseRecipeRoutes:
         recipe_scanner_getter = lambda: self.recipe_scanner
         civitai_client_getter = lambda: self.civitai_client
 
-        standalone_mode = os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
+        standalone_mode = os.environ.get("LORA_MANAGER_STANDALONE", "0") == "1" or os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
         if not standalone_mode:
             from ..metadata_collector import get_metadata  # type: ignore[import-not-found]
             from ..metadata_collector.metadata_processor import (  # type: ignore[import-not-found]

py/routes/handlers/misc_handlers.py

@@ -0,0 +1,969 @@
+"""Handlers for miscellaneous routes.
+
+The legacy :mod:`py.routes.misc_routes` module bundled HTTP wiring and
+business logic in a single class.  This module mirrors the model route
+architecture by splitting the responsibilities into dedicated handler
+objects that can be composed by the route controller.
+"""
+
+from __future__ import annotations
+
+import asyncio
+import logging
+import os
+import subprocess
+import sys
+from dataclasses import dataclass
+from typing import Awaitable, Callable, Dict, Mapping, Protocol
+
+from aiohttp import web
+
+from ...config import config
+from ...services.metadata_service import (
+    get_metadata_archive_manager,
+    update_metadata_providers,
+)
+from ...services.service_registry import ServiceRegistry
+from ...services.settings_manager import get_settings_manager
+from ...services.websocket_manager import ws_manager
+from ...services.downloader import get_downloader
+from ...utils.constants import (
+    CIVITAI_USER_MODEL_TYPES,
+    DEFAULT_NODE_COLOR,
+    NODE_TYPES,
+    SUPPORTED_MEDIA_EXTENSIONS,
+    VALID_LORA_TYPES,
+)
+from ...utils.civitai_utils import rewrite_preview_url
+from ...utils.example_images_paths import is_valid_example_images_root
+from ...utils.lora_metadata import extract_trained_words
+from ...utils.usage_stats import UsageStats
+
+logger = logging.getLogger(__name__)
+
+
+class PromptServerProtocol(Protocol):
+    """Subset of PromptServer used by the handlers."""
+
+    instance: "PromptServerProtocol"
+
+    def send_sync(self, event: str, payload: dict) -> None:  # pragma: no cover - protocol
+        ...
+
+
+class DownloaderProtocol(Protocol):
+    async def refresh_session(self) -> None:  # pragma: no cover - protocol
+        ...
+
+
+class UsageStatsFactory(Protocol):
+    def __call__(self) -> UsageStats:  # pragma: no cover - protocol
+        ...
+
+
+class MetadataProviderProtocol(Protocol):
+    async def get_model_versions(self, model_id: int) -> dict | None:  # pragma: no cover - protocol
+        ...
+
+
+class MetadataArchiveManagerProtocol(Protocol):
+    async def download_and_extract_database(
+        self, progress_callback: Callable[[str, str], None]
+    ) -> bool:  # pragma: no cover - protocol
+        ...
+
+    async def remove_database(self) -> bool:  # pragma: no cover - protocol
+        ...
+
+    def is_database_available(self) -> bool:  # pragma: no cover - protocol
+        ...
+
+    def get_database_path(self) -> str | None:  # pragma: no cover - protocol
+        ...
+
+
+class NodeRegistry:
+    """Thread-safe registry for tracking LoRA nodes in active workflows."""
+
+    def __init__(self) -> None:
+        self._lock = asyncio.Lock()
+        self._nodes: Dict[str, dict] = {}
+        self._registry_updated = asyncio.Event()
+
+    async def register_nodes(self, nodes: list[dict]) -> None:
+        async with self._lock:
+            self._nodes.clear()
+            for node in nodes:
+                node_id = node["node_id"]
+                graph_id = str(node["graph_id"])
+                unique_id = f"{graph_id}:{node_id}"
+                node_type = node.get("type", "")
+                type_id = NODE_TYPES.get(node_type, 0)
+                bgcolor = node.get("bgcolor") or DEFAULT_NODE_COLOR
+                self._nodes[unique_id] = {
+                    "id": node_id,
+                    "graph_id": graph_id,
+                    "graph_name": node.get("graph_name"),
+                    "unique_id": unique_id,
+                    "bgcolor": bgcolor,
+                    "title": node.get("title"),
+                    "type": type_id,
+                    "type_name": node_type,
+                }
+            logger.debug("Registered %s nodes in registry", len(nodes))
+            self._registry_updated.set()
+
+    async def get_registry(self) -> dict:
+        async with self._lock:
+            return {
+                "nodes": dict(self._nodes),
+                "node_count": len(self._nodes),
+            }
+
+    async def wait_for_update(self, timeout: float = 1.0) -> bool:
+        self._registry_updated.clear()
+        try:
+            await asyncio.wait_for(self._registry_updated.wait(), timeout=timeout)
+            return True
+        except asyncio.TimeoutError:
+            return False
+
+
+class HealthCheckHandler:
+    async def health_check(self, request: web.Request) -> web.Response:
+        return web.json_response({"status": "ok"})
+
+
+class SettingsHandler:
+    """Sync settings between backend and frontend."""
+
+    _SYNC_KEYS = (
+        "civitai_api_key",
+        "default_lora_root",
+        "default_checkpoint_root",
+        "default_embedding_root",
+        "base_model_path_mappings",
+        "download_path_templates",
+        "enable_metadata_archive_db",
+        "language",
+        "proxy_enabled",
+        "proxy_type",
+        "proxy_host",
+        "proxy_port",
+        "proxy_username",
+        "proxy_password",
+        "example_images_path",
+        "optimize_example_images",
+        "auto_download_example_images",
+        "blur_mature_content",
+        "autoplay_on_hover",
+        "display_density",
+        "card_info_display",
+        "include_trigger_words",
+        "show_only_sfw",
+        "compact_mode",
+    )
+
+    _PROXY_KEYS = {"proxy_enabled", "proxy_host", "proxy_port", "proxy_username", "proxy_password", "proxy_type"}
+
+    def __init__(
+        self,
+        *,
+        settings_service=None,
+        metadata_provider_updater: Callable[[], Awaitable[None]] = update_metadata_providers,
+        downloader_factory: Callable[[], Awaitable[DownloaderProtocol]] = get_downloader,
+    ) -> None:
+        self._settings = settings_service or get_settings_manager()
+        self._metadata_provider_updater = metadata_provider_updater
+        self._downloader_factory = downloader_factory
+
+    async def get_libraries(self, request: web.Request) -> web.Response:
+        """Return the registered libraries and the active selection."""
+
+        try:
+            snapshot = config.get_library_registry_snapshot()
+            libraries = snapshot.get("libraries", {})
+            active_library = snapshot.get("active_library", "")
+            return web.json_response(
+                {
+                    "success": True,
+                    "libraries": libraries,
+                    "active_library": active_library,
+                }
+            )
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error getting library registry: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def get_settings(self, request: web.Request) -> web.Response:
+        try:
+            response_data = {}
+            for key in self._SYNC_KEYS:
+                value = self._settings.get(key)
+                if value is not None:
+                    response_data[key] = value
+            return web.json_response({"success": True, "settings": response_data})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error getting settings: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def activate_library(self, request: web.Request) -> web.Response:
+        """Activate the selected library."""
+
+        try:
+            data = await request.json()
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error parsing activate library request: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": "Invalid JSON payload"}, status=400)
+
+        library_name = data.get("library") or data.get("library_name")
+        if not isinstance(library_name, str) or not library_name.strip():
+            return web.json_response(
+                {"success": False, "error": "Library name is required"}, status=400
+            )
+
+        try:
+            normalized_name = library_name.strip()
+            self._settings.activate_library(normalized_name)
+            snapshot = config.get_library_registry_snapshot()
+            libraries = snapshot.get("libraries", {})
+            active_library = snapshot.get("active_library", "")
+            return web.json_response(
+                {
+                    "success": True,
+                    "active_library": active_library,
+                    "libraries": libraries,
+                }
+            )
+        except KeyError as exc:
+            logger.debug("Attempted to activate unknown library '%s'", library_name)
+            return web.json_response({"success": False, "error": str(exc)}, status=404)
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error activating library '%s': %s", library_name, exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def update_settings(self, request: web.Request) -> web.Response:
+        try:
+            data = await request.json()
+            proxy_changed = False
+
+            for key, value in data.items():
+                if value == self._settings.get(key):
+                    continue
+
+                if key == "example_images_path" and value:
+                    validation_error = self._validate_example_images_path(value)
+                    if validation_error:
+                        return web.json_response({"success": False, "error": validation_error})
+
+                if value == "__DELETE__" and key in ("proxy_username", "proxy_password"):
+                    self._settings.delete(key)
+                else:
+                    self._settings.set(key, value)
+
+                if key == "enable_metadata_archive_db":
+                    await self._metadata_provider_updater()
+
+                if key in self._PROXY_KEYS:
+                    proxy_changed = True
+
+            if proxy_changed:
+                downloader = await self._downloader_factory()
+                await downloader.refresh_session()
+
+            return web.json_response({"success": True})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error updating settings: %s", exc, exc_info=True)
+            return web.Response(status=500, text=str(exc))
+
+    def _validate_example_images_path(self, folder_path: str) -> str | None:
+        if not os.path.exists(folder_path):
+            return f"Path does not exist: {folder_path}"
+        if not os.path.isdir(folder_path):
+            return "Please set a dedicated folder for example images."
+        if not self._is_dedicated_example_images_folder(folder_path):
+            return "Please set a dedicated folder for example images."
+        return None
+
+    def _is_dedicated_example_images_folder(self, folder_path: str) -> bool:
+        return is_valid_example_images_root(folder_path)
+
+
+class UsageStatsHandler:
+    def __init__(self, usage_stats_factory: UsageStatsFactory = UsageStats) -> None:
+        self._usage_stats_factory = usage_stats_factory
+
+    async def update_usage_stats(self, request: web.Request) -> web.Response:
+        try:
+            data = await request.json()
+            prompt_id = data.get("prompt_id")
+            if not prompt_id:
+                return web.json_response({"success": False, "error": "Missing prompt_id"}, status=400)
+            usage_stats = self._usage_stats_factory()
+            await usage_stats.process_execution(prompt_id)
+            return web.json_response({"success": True})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to update usage stats: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def get_usage_stats(self, request: web.Request) -> web.Response:
+        try:
+            usage_stats = self._usage_stats_factory()
+            stats = await usage_stats.get_stats()
+            stats_response = {"success": True, "data": stats, "format_version": 2}
+            return web.json_response(stats_response)
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to get usage stats: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+class LoraCodeHandler:
+    def __init__(self, prompt_server: type[PromptServerProtocol]) -> None:
+        self._prompt_server = prompt_server
+
+    async def update_lora_code(self, request: web.Request) -> web.Response:
+        try:
+            data = await request.json()
+            node_ids = data.get("node_ids")
+            lora_code = data.get("lora_code", "")
+            mode = data.get("mode", "append")
+
+            if not lora_code:
+                return web.json_response({"success": False, "error": "Missing lora_code parameter"}, status=400)
+
+            results = []
+            if node_ids is None:
+                try:
+                    self._prompt_server.instance.send_sync(
+                        "lora_code_update", {"id": -1, "lora_code": lora_code, "mode": mode}
+                    )
+                    results.append({"node_id": "broadcast", "success": True})
+                except Exception as exc:  # pragma: no cover - defensive logging
+                    logger.error("Error broadcasting lora code: %s", exc)
+                    results.append({"node_id": "broadcast", "success": False, "error": str(exc)})
+            else:
+                for entry in node_ids:
+                    node_identifier = entry
+                    graph_identifier = None
+                    if isinstance(entry, dict):
+                        node_identifier = entry.get("node_id")
+                        graph_identifier = entry.get("graph_id")
+
+                    if node_identifier is None:
+                        results.append(
+                            {
+                                "node_id": node_identifier,
+                                "graph_id": graph_identifier,
+                                "success": False,
+                                "error": "Missing node_id parameter",
+                            }
+                        )
+                        continue
+
+                    try:
+                        parsed_node_id = int(node_identifier)
+                    except (TypeError, ValueError):
+                        parsed_node_id = node_identifier
+
+                    payload = {
+                        "id": parsed_node_id,
+                        "lora_code": lora_code,
+                        "mode": mode,
+                    }
+
+                    if graph_identifier is not None:
+                        payload["graph_id"] = str(graph_identifier)
+
+                    try:
+                        self._prompt_server.instance.send_sync(
+                            "lora_code_update",
+                            payload,
+                        )
+                        results.append(
+                            {
+                                "node_id": parsed_node_id,
+                                "graph_id": payload.get("graph_id"),
+                                "success": True,
+                            }
+                        )
+                    except Exception as exc:  # pragma: no cover - defensive logging
+                        logger.error(
+                            "Error sending lora code to node %s (graph %s): %s",
+                            parsed_node_id,
+                            graph_identifier,
+                            exc,
+                        )
+                        results.append(
+                            {
+                                "node_id": parsed_node_id,
+                                "graph_id": payload.get("graph_id"),
+                                "success": False,
+                                "error": str(exc),
+                            }
+                        )
+
+            return web.json_response({"success": True, "results": results})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to update lora code: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+class TrainedWordsHandler:
+    async def get_trained_words(self, request: web.Request) -> web.Response:
+        try:
+            file_path = request.query.get("file_path")
+            if not file_path:
+                return web.json_response({"success": False, "error": "Missing file_path parameter"}, status=400)
+            if not os.path.exists(file_path):
+                return web.json_response({"success": False, "error": "File not found"}, status=404)
+            if not file_path.endswith(".safetensors"):
+                return web.json_response({"success": False, "error": "File must be a safetensors file"}, status=400)
+
+            trained_words, class_tokens = await extract_trained_words(file_path)
+            return web.json_response(
+                {
+                    "success": True,
+                    "trained_words": trained_words,
+                    "class_tokens": class_tokens,
+                }
+            )
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to get trained words: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+class ModelExampleFilesHandler:
+    async def get_model_example_files(self, request: web.Request) -> web.Response:
+        try:
+            model_path = request.query.get("model_path")
+            if not model_path:
+                return web.json_response({"success": False, "error": "Missing model_path parameter"}, status=400)
+            model_dir = os.path.dirname(model_path)
+            if not os.path.exists(model_dir):
+                return web.json_response({"success": False, "error": "Model directory not found"}, status=404)
+
+            base_name = os.path.splitext(os.path.basename(model_path))[0]
+            files = []
+            pattern = f"{base_name}.example."
+            for file in os.listdir(model_dir):
+                if not file.startswith(pattern):
+                    continue
+                file_full_path = os.path.join(model_dir, file)
+                if not os.path.isfile(file_full_path):
+                    continue
+                file_ext = os.path.splitext(file)[1].lower()
+                if file_ext not in SUPPORTED_MEDIA_EXTENSIONS["images"] and file_ext not in SUPPORTED_MEDIA_EXTENSIONS["videos"]:
+                    continue
+                try:
+                    index = int(file[len(pattern) :].split(".")[0])
+                except (ValueError, IndexError):
+                    index = float("inf")
+                static_url = config.get_preview_static_url(file_full_path)
+                files.append(
+                    {
+                        "name": file,
+                        "path": static_url,
+                        "extension": file_ext,
+                        "is_video": file_ext in SUPPORTED_MEDIA_EXTENSIONS["videos"],
+                        "index": index,
+                    }
+                )
+
+            files.sort(key=lambda item: item["index"])
+            for file in files:
+                file.pop("index", None)
+
+            return web.json_response({"success": True, "files": files})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to get model example files: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+@dataclass
+class ServiceRegistryAdapter:
+    get_lora_scanner: Callable[[], Awaitable]
+    get_checkpoint_scanner: Callable[[], Awaitable]
+    get_embedding_scanner: Callable[[], Awaitable]
+
+
+class ModelLibraryHandler:
+    def __init__(self, service_registry: ServiceRegistryAdapter, metadata_provider_factory: Callable[[], Awaitable[MetadataProviderProtocol | None]]) -> None:
+        self._service_registry = service_registry
+        self._metadata_provider_factory = metadata_provider_factory
+
+    async def check_model_exists(self, request: web.Request) -> web.Response:
+        try:
+            model_id_str = request.query.get("modelId")
+            model_version_id_str = request.query.get("modelVersionId")
+            if not model_id_str:
+                return web.json_response({"success": False, "error": "Missing required parameter: modelId"}, status=400)
+            try:
+                model_id = int(model_id_str)
+            except ValueError:
+                return web.json_response({"success": False, "error": "Parameter modelId must be an integer"}, status=400)
+
+            lora_scanner = await self._service_registry.get_lora_scanner()
+            checkpoint_scanner = await self._service_registry.get_checkpoint_scanner()
+            embedding_scanner = await self._service_registry.get_embedding_scanner()
+
+            if model_version_id_str:
+                try:
+                    model_version_id = int(model_version_id_str)
+                except ValueError:
+                    return web.json_response({"success": False, "error": "Parameter modelVersionId must be an integer"}, status=400)
+
+                exists = False
+                model_type = None
+                if await lora_scanner.check_model_version_exists(model_version_id):
+                    exists = True
+                    model_type = "lora"
+                elif checkpoint_scanner and await checkpoint_scanner.check_model_version_exists(model_version_id):
+                    exists = True
+                    model_type = "checkpoint"
+                elif embedding_scanner and await embedding_scanner.check_model_version_exists(model_version_id):
+                    exists = True
+                    model_type = "embedding"
+
+                return web.json_response({"success": True, "exists": exists, "modelType": model_type if exists else None})
+
+            lora_versions = await lora_scanner.get_model_versions_by_id(model_id)
+            checkpoint_versions = []
+            embedding_versions = []
+            if not lora_versions and checkpoint_scanner:
+                checkpoint_versions = await checkpoint_scanner.get_model_versions_by_id(model_id)
+            if not lora_versions and not checkpoint_versions and embedding_scanner:
+                embedding_versions = await embedding_scanner.get_model_versions_by_id(model_id)
+
+            model_type = None
+            versions = []
+            if lora_versions:
+                model_type = "lora"
+                versions = lora_versions
+            elif checkpoint_versions:
+                model_type = "checkpoint"
+                versions = checkpoint_versions
+            elif embedding_versions:
+                model_type = "embedding"
+                versions = embedding_versions
+
+            return web.json_response({"success": True, "modelType": model_type, "versions": versions})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to check model existence: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def get_model_versions_status(self, request: web.Request) -> web.Response:
+        try:
+            model_id_str = request.query.get("modelId")
+            if not model_id_str:
+                return web.json_response({"success": False, "error": "Missing required parameter: modelId"}, status=400)
+            try:
+                model_id = int(model_id_str)
+            except ValueError:
+                return web.json_response({"success": False, "error": "Parameter modelId must be an integer"}, status=400)
+
+            metadata_provider = await self._metadata_provider_factory()
+            if not metadata_provider:
+                return web.json_response({"success": False, "error": "Metadata provider not available"}, status=503)
+
+            response = await metadata_provider.get_model_versions(model_id)
+            if not response or not response.get("modelVersions"):
+                return web.json_response({"success": False, "error": "Model not found"}, status=404)
+
+            versions = response.get("modelVersions", [])
+            model_name = response.get("name", "")
+            model_type = response.get("type", "").lower()
+
+            scanner = None
+            normalized_type = None
+            if model_type in {"lora", "locon", "dora"}:
+                scanner = await self._service_registry.get_lora_scanner()
+                normalized_type = "lora"
+            elif model_type == "checkpoint":
+                scanner = await self._service_registry.get_checkpoint_scanner()
+                normalized_type = "checkpoint"
+            elif model_type == "textualinversion":
+                scanner = await self._service_registry.get_embedding_scanner()
+                normalized_type = "embedding"
+            else:
+                return web.json_response({"success": False, "error": f'Model type "{model_type}" is not supported'}, status=400)
+
+            if not scanner:
+                return web.json_response({"success": False, "error": f'Scanner for type "{normalized_type}" is not available'}, status=503)
+
+            local_versions = await scanner.get_model_versions_by_id(model_id)
+            local_version_ids = {version["versionId"] for version in local_versions}
+
+            enriched_versions = []
+            for version in versions:
+                version_id = version.get("id")
+                enriched_versions.append(
+                    {
+                        "id": version_id,
+                        "name": version.get("name", ""),
+                        "thumbnailUrl": version.get("images")[0]["url"] if version.get("images") else None,
+                        "inLibrary": version_id in local_version_ids,
+                    }
+                )
+
+            return web.json_response(
+                {
+                    "success": True,
+                    "modelId": model_id,
+                    "modelName": model_name,
+                    "modelType": model_type,
+                    "versions": enriched_versions,
+                }
+            )
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to get model versions status: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def get_civitai_user_models(self, request: web.Request) -> web.Response:
+        try:
+            username = request.query.get("username")
+            if not username:
+                return web.json_response({"success": False, "error": "Missing required parameter: username"}, status=400)
+
+            metadata_provider = await self._metadata_provider_factory()
+            if not metadata_provider:
+                return web.json_response({"success": False, "error": "Metadata provider not available"}, status=503)
+
+            try:
+                models = await metadata_provider.get_user_models(username)
+            except NotImplementedError:
+                return web.json_response({"success": False, "error": "Metadata provider does not support user model queries"}, status=501)
+
+            if models is None:
+                return web.json_response({"success": False, "error": "Failed to fetch user models"}, status=502)
+
+            if not isinstance(models, list):
+                models = []
+
+            lora_scanner = await self._service_registry.get_lora_scanner()
+            checkpoint_scanner = await self._service_registry.get_checkpoint_scanner()
+            embedding_scanner = await self._service_registry.get_embedding_scanner()
+
+            normalized_allowed_types = {model_type.lower() for model_type in CIVITAI_USER_MODEL_TYPES}
+            lora_type_aliases = {model_type.lower() for model_type in VALID_LORA_TYPES}
+
+            type_scanner_map: Dict[str, object | None] = {
+                **{alias: lora_scanner for alias in lora_type_aliases},
+                "checkpoint": checkpoint_scanner,
+                "textualinversion": embedding_scanner,
+            }
+
+            versions: list[dict] = []
+            for model in models:
+                if not isinstance(model, dict):
+                    continue
+
+                model_type = str(model.get("type", "")).lower()
+                if model_type not in normalized_allowed_types:
+                    continue
+
+                scanner = type_scanner_map.get(model_type)
+                if scanner is None:
+                    return web.json_response({"success": False, "error": f'Scanner for type "{model_type}" is not available'}, status=503)
+
+                tags_value = model.get("tags")
+                tags = tags_value if isinstance(tags_value, list) else []
+                model_id = model.get("id")
+                try:
+                    model_id_int = int(model_id)
+                except (TypeError, ValueError):
+                    continue
+                model_name = model.get("name", "")
+
+                versions_data = model.get("modelVersions")
+                if not isinstance(versions_data, list):
+                    continue
+
+                for version in versions_data:
+                    if not isinstance(version, dict):
+                        continue
+
+                    version_id = version.get("id")
+                    try:
+                        version_id_int = int(version_id)
+                    except (TypeError, ValueError):
+                        continue
+
+                    images = version.get("images") or []
+                    thumbnail_url = None
+                    if images and isinstance(images, list):
+                        first_image = images[0]
+                        if isinstance(first_image, dict):
+                            raw_url = first_image.get("url")
+                            media_type = first_image.get("type")
+                            rewritten_url, _ = rewrite_preview_url(raw_url, media_type)
+                            thumbnail_url = rewritten_url
+
+                    in_library = await scanner.check_model_version_exists(version_id_int)
+
+                    versions.append(
+                        {
+                            "modelId": model_id_int,
+                            "versionId": version_id_int,
+                            "modelName": model_name,
+                            "versionName": version.get("name", ""),
+                            "type": model.get("type"),
+                            "tags": tags,
+                            "baseModel": version.get("baseModel"),
+                            "thumbnailUrl": thumbnail_url,
+                            "inLibrary": in_library,
+                        }
+                    )
+
+            return web.json_response({"success": True, "username": username, "versions": versions})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to get Civitai user models: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+class MetadataArchiveHandler:
+    def __init__(
+        self,
+        *,
+        metadata_archive_manager_factory: Callable[[], Awaitable[MetadataArchiveManagerProtocol]] = get_metadata_archive_manager,
+        settings_service=None,
+        metadata_provider_updater: Callable[[], Awaitable[None]] = update_metadata_providers,
+    ) -> None:
+        self._metadata_archive_manager_factory = metadata_archive_manager_factory
+        self._settings = settings_service or get_settings_manager()
+        self._metadata_provider_updater = metadata_provider_updater
+
+    async def download_metadata_archive(self, request: web.Request) -> web.Response:
+        try:
+            archive_manager = await self._metadata_archive_manager_factory()
+            download_id = request.query.get("download_id")
+
+            def progress_callback(stage: str, message: str) -> None:
+                data = {"stage": stage, "message": message, "type": "metadata_archive_download"}
+                if download_id:
+                    asyncio.create_task(ws_manager.broadcast_download_progress(download_id, data))
+                else:
+                    asyncio.create_task(ws_manager.broadcast(data))
+
+            success = await archive_manager.download_and_extract_database(progress_callback)
+            if success:
+                self._settings.set("enable_metadata_archive_db", True)
+                await self._metadata_provider_updater()
+                return web.json_response({"success": True, "message": "Metadata archive database downloaded and extracted successfully"})
+            return web.json_response({"success": False, "error": "Failed to download and extract metadata archive database"}, status=500)
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error downloading metadata archive: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def remove_metadata_archive(self, request: web.Request) -> web.Response:
+        try:
+            archive_manager = await self._metadata_archive_manager_factory()
+            success = await archive_manager.remove_database()
+            if success:
+                self._settings.set("enable_metadata_archive_db", False)
+                await self._metadata_provider_updater()
+                return web.json_response({"success": True, "message": "Metadata archive database removed successfully"})
+            return web.json_response({"success": False, "error": "Failed to remove metadata archive database"}, status=500)
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error removing metadata archive: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def get_metadata_archive_status(self, request: web.Request) -> web.Response:
+        try:
+            archive_manager = await self._metadata_archive_manager_factory()
+            is_available = archive_manager.is_database_available()
+            is_enabled = self._settings.get("enable_metadata_archive_db", False)
+            db_size = 0
+            if is_available:
+                db_path = archive_manager.get_database_path()
+                if db_path and os.path.exists(db_path):
+                    db_size = os.path.getsize(db_path)
+            return web.json_response(
+                {
+                    "success": True,
+                    "isAvailable": is_available,
+                    "isEnabled": is_enabled,
+                    "databaseSize": db_size,
+                    "databasePath": archive_manager.get_database_path() if is_available else None,
+                }
+            )
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error getting metadata archive status: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+class FileSystemHandler:
+    async def open_file_location(self, request: web.Request) -> web.Response:
+        try:
+            data = await request.json()
+            file_path = data.get("file_path")
+            if not file_path:
+                return web.json_response({"success": False, "error": "Missing file_path parameter"}, status=400)
+            file_path = os.path.abspath(file_path)
+            if not os.path.isfile(file_path):
+                return web.json_response({"success": False, "error": "File does not exist"}, status=404)
+
+            if os.name == "nt":
+                subprocess.Popen(["explorer", "/select,", file_path])
+            elif os.name == "posix":
+                if sys.platform == "darwin":
+                    subprocess.Popen(["open", "-R", file_path])
+                else:
+                    folder = os.path.dirname(file_path)
+                    subprocess.Popen(["xdg-open", folder])
+
+            return web.json_response({"success": True, "message": f"Opened folder and selected file: {file_path}"})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to open file location: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+
+class NodeRegistryHandler:
+    def __init__(
+        self,
+        node_registry: NodeRegistry,
+        prompt_server: type[PromptServerProtocol],
+        *,
+        standalone_mode: bool,
+    ) -> None:
+        self._node_registry = node_registry
+        self._prompt_server = prompt_server
+        self._standalone_mode = standalone_mode
+
+    async def register_nodes(self, request: web.Request) -> web.Response:
+        try:
+            data = await request.json()
+            nodes = data.get("nodes", [])
+            if not isinstance(nodes, list):
+                return web.json_response({"success": False, "error": "nodes must be a list"}, status=400)
+            for index, node in enumerate(nodes):
+                if not isinstance(node, dict):
+                    return web.json_response({"success": False, "error": f"Node {index} must be an object"}, status=400)
+                node_id = node.get("node_id")
+                if node_id is None:
+                    return web.json_response({"success": False, "error": f"Node {index} missing node_id parameter"}, status=400)
+                graph_id = node.get("graph_id")
+                if graph_id is None:
+                    return web.json_response({"success": False, "error": f"Node {index} missing graph_id parameter"}, status=400)
+                graph_name = node.get("graph_name")
+                try:
+                    node["node_id"] = int(node_id)
+                except (TypeError, ValueError):
+                    return web.json_response({"success": False, "error": f"Node {index} node_id must be an integer"}, status=400)
+                node["graph_id"] = str(graph_id)
+                if graph_name is None:
+                    node["graph_name"] = None
+                elif isinstance(graph_name, str):
+                    node["graph_name"] = graph_name
+                else:
+                    node["graph_name"] = str(graph_name)
+
+            await self._node_registry.register_nodes(nodes)
+            return web.json_response({"success": True, "message": f"{len(nodes)} nodes registered successfully"})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to register nodes: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": str(exc)}, status=500)
+
+    async def get_registry(self, request: web.Request) -> web.Response:
+        try:
+            if self._standalone_mode:
+                logger.warning("Registry refresh not available in standalone mode")
+                return web.json_response(
+                    {
+                        "success": False,
+                        "error": "Standalone Mode Active",
+                        "message": "Cannot interact with ComfyUI in standalone mode.",
+                    },
+                    status=503,
+                )
+
+            try:
+                self._prompt_server.instance.send_sync("lora_registry_refresh", {})
+                logger.debug("Sent registry refresh request to frontend")
+            except Exception as exc:
+                logger.error("Failed to send registry refresh message: %s", exc)
+                return web.json_response(
+                    {
+                        "success": False,
+                        "error": "Communication Error",
+                        "message": f"Failed to communicate with ComfyUI frontend: {exc}",
+                    },
+                    status=500,
+                )
+
+            registry_updated = await self._node_registry.wait_for_update(timeout=1.0)
+            if not registry_updated:
+                logger.warning("Registry refresh timeout after 1 second")
+                return web.json_response(
+                    {
+                        "success": False,
+                        "error": "Timeout Error",
+                        "message": "Registry refresh timeout - ComfyUI frontend may not be responsive",
+                    },
+                    status=408,
+                )
+
+            registry_info = await self._node_registry.get_registry()
+            return web.json_response({"success": True, "data": registry_info})
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Failed to get registry: %s", exc, exc_info=True)
+            return web.json_response({"success": False, "error": "Internal Error", "message": str(exc)}, status=500)
+
+
+class MiscHandlerSet:
+    """Aggregate handlers into a lookup compatible with the registrar."""
+
+    def __init__(
+        self,
+        *,
+        health: HealthCheckHandler,
+        settings: SettingsHandler,
+        usage_stats: UsageStatsHandler,
+        lora_code: LoraCodeHandler,
+        trained_words: TrainedWordsHandler,
+        model_examples: ModelExampleFilesHandler,
+        node_registry: NodeRegistryHandler,
+        model_library: ModelLibraryHandler,
+        metadata_archive: MetadataArchiveHandler,
+        filesystem: FileSystemHandler,
+    ) -> None:
+        self.health = health
+        self.settings = settings
+        self.usage_stats = usage_stats
+        self.lora_code = lora_code
+        self.trained_words = trained_words
+        self.model_examples = model_examples
+        self.node_registry = node_registry
+        self.model_library = model_library
+        self.metadata_archive = metadata_archive
+        self.filesystem = filesystem
+
+    def to_route_mapping(self) -> Mapping[str, Callable[[web.Request], Awaitable[web.StreamResponse]]]:
+        return {
+            "health_check": self.health.health_check,
+            "get_settings": self.settings.get_settings,
+            "update_settings": self.settings.update_settings,
+            "get_settings_libraries": self.settings.get_libraries,
+            "activate_library": self.settings.activate_library,
+            "update_usage_stats": self.usage_stats.update_usage_stats,
+            "get_usage_stats": self.usage_stats.get_usage_stats,
+            "update_lora_code": self.lora_code.update_lora_code,
+            "get_trained_words": self.trained_words.get_trained_words,
+            "get_model_example_files": self.model_examples.get_model_example_files,
+            "register_nodes": self.node_registry.register_nodes,
+            "get_registry": self.node_registry.get_registry,
+            "check_model_exists": self.model_library.check_model_exists,
+            "get_civitai_user_models": self.model_library.get_civitai_user_models,
+            "download_metadata_archive": self.metadata_archive.download_metadata_archive,
+            "remove_metadata_archive": self.metadata_archive.remove_metadata_archive,
+            "get_metadata_archive_status": self.metadata_archive.get_metadata_archive_status,
+            "get_model_versions_status": self.model_library.get_model_versions_status,
+            "open_file_location": self.filesystem.open_file_location,
+        }
+
+
+def build_service_registry_adapter() -> ServiceRegistryAdapter:
+    return ServiceRegistryAdapter(
+        get_lora_scanner=ServiceRegistry.get_lora_scanner,
+        get_checkpoint_scanner=ServiceRegistry.get_checkpoint_scanner,
+        get_embedding_scanner=ServiceRegistry.get_embedding_scanner,
+    )

py/routes/handlers/model_handlers.py

@@ -30,6 +30,7 @@ from ...services.use_cases import (
 from ...services.websocket_manager import WebSocketManager
 from ...services.websocket_progress_callback import WebSocketProgressCallback
 from ...utils.file_utils import calculate_sha256
+from ...utils.metadata_manager import MetadataManager
 
 
 class ModelPageView:
@@ -244,6 +245,8 @@ class ModelManagementHandler:
             if not model_data.get("sha256"):
                 return web.json_response({"success": False, "error": "No SHA256 hash found"}, status=400)
 
+            await MetadataManager.hydrate_model_data(model_data)
+
             success, error = await self._metadata_sync.fetch_and_update_model(
                 sha256=model_data["sha256"],
                 file_path=file_path,
@@ -825,18 +828,30 @@ class ModelCivitaiHandler:
                     status=400,
                 )
 
+            cache = await self._service.scanner.get_cached_data()
+            version_index = cache.version_index
+
             for version in versions:
-                model_file = self._find_model_file(version.get("files", [])) if isinstance(version.get("files"), Iterable) else None
-                if model_file:
-                    hashes = model_file.get("hashes", {}) if isinstance(model_file, Mapping) else {}
-                    sha256 = hashes.get("SHA256") if isinstance(hashes, Mapping) else None
-                    if sha256:
-                        version["existsLocally"] = self._service.has_hash(sha256)
-                        if version["existsLocally"]:
-                            version["localPath"] = self._service.get_path_by_hash(sha256)
-                        version["modelSizeKB"] = model_file.get("sizeKB") if isinstance(model_file, Mapping) else None
+                version_id = None
+                version_id_raw = version.get("id")
+                if version_id_raw is not None:
+                    try:
+                        version_id = int(str(version_id_raw))
+                    except (TypeError, ValueError):
+                        version_id = None
+
+                cache_entry = version_index.get(version_id) if (version_id is not None and version_index) else None
+                version["existsLocally"] = cache_entry is not None
+                if cache_entry and isinstance(cache_entry, Mapping):
+                    local_path = cache_entry.get("file_path")
+                    if local_path:
+                        version["localPath"] = local_path
                 else:
-                    version["existsLocally"] = False
+                    version.pop("localPath", None)
+
+                model_file = self._find_model_file(version.get("files", [])) if isinstance(version.get("files"), Iterable) else None
+                if model_file and isinstance(model_file, Mapping):
+                    version["modelSizeKB"] = model_file.get("sizeKB")
             return web.json_response(versions)
         except Exception as exc:
             self._logger.error("Error fetching %s model versions: %s", self._service.model_type, exc)

py/routes/handlers/preview_handlers.py

@@ -0,0 +1,56 @@
+"""Handlers responsible for serving preview assets dynamically."""
+
+from __future__ import annotations
+
+import logging
+import urllib.parse
+from pathlib import Path
+
+from aiohttp import web
+
+from ...config import config as global_config
+
+logger = logging.getLogger(__name__)
+
+
+class PreviewHandler:
+    """Serve preview assets for the active library at request time."""
+
+    def __init__(self, *, config=global_config) -> None:
+        self._config = config
+
+    async def serve_preview(self, request: web.Request) -> web.StreamResponse:
+        """Return the preview file referenced by the encoded ``path`` query."""
+
+        raw_path = request.query.get("path", "")
+        if not raw_path:
+            raise web.HTTPBadRequest(text="Missing 'path' query parameter")
+
+        try:
+            decoded_path = urllib.parse.unquote(raw_path)
+        except Exception as exc:  # pragma: no cover - defensive guard
+            logger.debug("Failed to decode preview path %s: %s", raw_path, exc)
+            raise web.HTTPBadRequest(text="Invalid preview path encoding") from exc
+
+        normalized = decoded_path.replace("\\", "/")
+        candidate = Path(normalized)
+        try:
+            resolved = candidate.expanduser().resolve(strict=False)
+        except Exception as exc:
+            logger.debug("Failed to resolve preview path %s: %s", normalized, exc)
+            raise web.HTTPBadRequest(text="Unable to resolve preview path") from exc
+
+        resolved_str = str(resolved)
+        if not self._config.is_preview_path_allowed(resolved_str):
+            logger.debug("Rejected preview outside allowed roots: %s", resolved_str)
+            raise web.HTTPForbidden(text="Preview path is not within an allowed directory")
+
+        if not resolved.is_file():
+            logger.debug("Preview file not found at %s", resolved_str)
+            raise web.HTTPNotFound(text="Preview file not found")
+
+        # aiohttp's FileResponse handles range requests and content headers for us.
+        return web.FileResponse(path=resolved, chunk_size=256 * 1024)
+
+
+__all__ = ["PreviewHandler"]

py/routes/handlers/recipe_handlers.py

@@ -206,18 +206,16 @@ class RecipeListingHandler:
 
     def format_recipe_file_url(self, file_path: str) -> str:
         try:
-            recipes_dir = os.path.join(config.loras_roots[0], "recipes").replace(os.sep, "/")
-            normalized_path = file_path.replace(os.sep, "/")
-            if normalized_path.startswith(recipes_dir):
-                relative_path = os.path.relpath(file_path, config.loras_roots[0]).replace(os.sep, "/")
-                return f"/loras_static/root1/preview/{relative_path}"
-
-            file_name = os.path.basename(file_path)
-            return f"/loras_static/root1/preview/recipes/{file_name}"
+            normalized_path = os.path.normpath(file_path)
+            static_url = config.get_preview_static_url(normalized_path)
+            if static_url:
+                return static_url
         except Exception as exc:  # pragma: no cover - logging path
             self._logger.error("Error formatting recipe file URL: %s", exc, exc_info=True)
             return "/loras_static/images/no-preview.png"
 
+        return "/loras_static/images/no-preview.png"
+
 
 class RecipeQueryHandler:
     """Provide read-only insights on recipe data."""

py/routes/lora_routes.py

@@ -229,11 +229,27 @@ class LoraRoutes(BaseModelRoutes):
             trigger_words_text = ",, ".join(all_trigger_words) if all_trigger_words else ""
             
             # Send update to all connected trigger word toggle nodes
-            for node_id in node_ids:
-                PromptServer.instance.send_sync("trigger_word_update", {
-                    "id": node_id,
+            for entry in node_ids:
+                node_identifier = entry
+                graph_identifier = None
+                if isinstance(entry, dict):
+                    node_identifier = entry.get("node_id")
+                    graph_identifier = entry.get("graph_id")
+
+                try:
+                    parsed_node_id = int(node_identifier)
+                except (TypeError, ValueError):
+                    parsed_node_id = node_identifier
+
+                payload = {
+                    "id": parsed_node_id,
                     "message": trigger_words_text
-                })
+                }
+
+                if graph_identifier is not None:
+                    payload["graph_id"] = str(graph_identifier)
+
+                PromptServer.instance.send_sync("trigger_word_update", payload)
             
             return web.json_response({"success": True})
 

py/routes/misc_route_registrar.py

@@ -0,0 +1,70 @@
+"""Route registrar for miscellaneous endpoints.
+
+This module mirrors the model route registrar architecture so that
+miscellaneous endpoints share a consistent registration flow.
+"""
+
+from dataclasses import dataclass
+from typing import Callable, Iterable, Mapping
+
+from aiohttp import web
+
+
+@dataclass(frozen=True)
+class RouteDefinition:
+    """Declarative definition for a HTTP route."""
+
+    method: str
+    path: str
+    handler_name: str
+
+
+MISC_ROUTE_DEFINITIONS: tuple[RouteDefinition, ...] = (
+    RouteDefinition("GET", "/api/lm/settings", "get_settings"),
+    RouteDefinition("POST", "/api/lm/settings", "update_settings"),
+    RouteDefinition("GET", "/api/lm/settings/libraries", "get_settings_libraries"),
+    RouteDefinition("POST", "/api/lm/settings/libraries/activate", "activate_library"),
+    RouteDefinition("GET", "/api/lm/health-check", "health_check"),
+    RouteDefinition("POST", "/api/lm/open-file-location", "open_file_location"),
+    RouteDefinition("POST", "/api/lm/update-usage-stats", "update_usage_stats"),
+    RouteDefinition("GET", "/api/lm/get-usage-stats", "get_usage_stats"),
+    RouteDefinition("POST", "/api/lm/update-lora-code", "update_lora_code"),
+    RouteDefinition("GET", "/api/lm/trained-words", "get_trained_words"),
+    RouteDefinition("GET", "/api/lm/model-example-files", "get_model_example_files"),
+    RouteDefinition("POST", "/api/lm/register-nodes", "register_nodes"),
+    RouteDefinition("GET", "/api/lm/get-registry", "get_registry"),
+    RouteDefinition("GET", "/api/lm/check-model-exists", "check_model_exists"),
+    RouteDefinition("GET", "/api/lm/civitai/user-models", "get_civitai_user_models"),
+    RouteDefinition("POST", "/api/lm/download-metadata-archive", "download_metadata_archive"),
+    RouteDefinition("POST", "/api/lm/remove-metadata-archive", "remove_metadata_archive"),
+    RouteDefinition("GET", "/api/lm/metadata-archive-status", "get_metadata_archive_status"),
+    RouteDefinition("GET", "/api/lm/model-versions-status", "get_model_versions_status"),
+)
+
+
+class MiscRouteRegistrar:
+    """Bind miscellaneous route definitions to an aiohttp router."""
+
+    _METHOD_MAP = {
+        "GET": "add_get",
+        "POST": "add_post",
+        "PUT": "add_put",
+        "DELETE": "add_delete",
+    }
+
+    def __init__(self, app: web.Application) -> None:
+        self._app = app
+
+    def register_routes(
+        self,
+        handler_lookup: Mapping[str, Callable[[web.Request], object]],
+        *,
+        definitions: Iterable[RouteDefinition] = MISC_ROUTE_DEFINITIONS,
+    ) -> None:
+        for definition in definitions:
+            self._bind(definition.method, definition.path, handler_lookup[definition.handler_name])
+
+    def _bind(self, method: str, path: str, handler: Callable) -> None:
+        add_method_name = self._METHOD_MAP[method.upper()]
+        add_method = getattr(self._app.router, add_method_name)
+        add_method(path, handler)

py/routes/preview_routes.py

@@ -0,0 +1,25 @@
+"""Route controller for preview asset delivery."""
+
+from __future__ import annotations
+
+from aiohttp import web
+
+from .handlers.preview_handlers import PreviewHandler
+
+
+class PreviewRoutes:
+    """Register routes that expose preview assets."""
+
+    def __init__(self, *, handler: PreviewHandler | None = None) -> None:
+        self._handler = handler or PreviewHandler()
+
+    @classmethod
+    def setup_routes(cls, app: web.Application) -> None:
+        controller = cls()
+        controller.register(app)
+
+    def register(self, app: web.Application) -> None:
+        app.router.add_get('/api/lm/previews', self._handler.serve_preview)
+
+
+__all__ = ["PreviewRoutes"]

py/routes/stats_routes.py

@@ -8,13 +8,32 @@ from collections import defaultdict, Counter
 from typing import Dict, List, Any
 
 from ..config import config
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 from ..services.server_i18n import server_i18n
 from ..services.service_registry import ServiceRegistry
 from ..utils.usage_stats import UsageStats
 
 logger = logging.getLogger(__name__)
 
+
+class _SettingsProxy:
+    def __init__(self):
+        self._manager = None
+
+    def _resolve(self):
+        if self._manager is None:
+            self._manager = get_settings_manager()
+        return self._manager
+
+    def get(self, *args, **kwargs):
+        return self._resolve().get(*args, **kwargs)
+
+    def __getattr__(self, item):
+        return getattr(self._resolve(), item)
+
+
+settings = _SettingsProxy()
+
 class StatsRoutes:
     """Route handlers for Statistics page and API endpoints"""
     
@@ -66,7 +85,9 @@ class StatsRoutes:
             is_initializing = lora_initializing or checkpoint_initializing or embedding_initializing
 
             # 获取用户语言设置
-            user_language = settings.get('language', 'en')
+            settings_object = settings
+            user_language = settings_object.get('language', 'en')
+            settings_manager = settings_object if not isinstance(settings_object, _SettingsProxy) else settings_object._resolve()
             
             # 设置服务端i18n语言
             server_i18n.set_locale(user_language)
@@ -79,7 +100,7 @@ class StatsRoutes:
             template = self.template_env.get_template('statistics.html')
             rendered = template.render(
                 is_initializing=is_initializing,
-                settings=settings,
+                settings=settings_manager,
                 request=request,
                 t=server_i18n.get_translation,
             )

py/routes/update_routes.py

@@ -5,12 +5,18 @@ import git
 import zipfile
 import shutil
 import tempfile
-from aiohttp import web
+import asyncio
+from aiohttp import web, ClientError
 from typing import Dict, List
+
+from ..utils.settings_paths import ensure_settings_file
 from ..services.downloader import get_downloader
 
 logger = logging.getLogger(__name__)
 
+NETWORK_EXCEPTIONS = (ClientError, OSError, asyncio.TimeoutError)
+
+
 class UpdateRoutes:
     """Routes for handling plugin update checks"""
     
@@ -63,6 +69,12 @@ class UpdateRoutes:
                 'nightly': nightly
             })
             
+        except NETWORK_EXCEPTIONS as e:
+            logger.warning("Network unavailable during update check: %s", e)
+            return web.json_response({
+                'success': False,
+                'error': 'Network unavailable for update check'
+            })
         except Exception as e:
             logger.error(f"Failed to check for updates: {e}", exc_info=True)
             return web.json_response({
@@ -111,7 +123,7 @@ class UpdateRoutes:
             current_dir = os.path.dirname(os.path.abspath(__file__))
             plugin_root = os.path.dirname(os.path.dirname(current_dir))
 
-            settings_path = os.path.join(plugin_root, 'settings.json')
+            settings_path = ensure_settings_file(logger)
             settings_backup = None
             if os.path.exists(settings_path):
                 with open(settings_path, 'r', encoding='utf-8') as f:
@@ -283,6 +295,9 @@ class UpdateRoutes:
             
             return version, changelog
         
+        except NETWORK_EXCEPTIONS as e:
+            logger.warning("Unable to reach GitHub for nightly version: %s", e)
+            return "main", []
         except Exception as e:
             logger.error(f"Error fetching nightly version: {e}", exc_info=True)
             return "main", []
@@ -448,6 +463,9 @@ class UpdateRoutes:
             
             return version, changelog
         
+        except NETWORK_EXCEPTIONS as e:
+            logger.warning("Unable to reach GitHub for release info: %s", e)
+            return "v0.0.0", []
         except Exception as e:
             logger.error(f"Error fetching remote version: {e}", exc_info=True)
             return "v0.0.0", []

py/services/base_model_service.py

@@ -4,8 +4,9 @@ import logging
 import os
 
 from ..utils.models import BaseModelMetadata
+from ..utils.metadata_manager import MetadataManager
 from .model_query import FilterCriteria, ModelCacheRepository, ModelFilterSet, SearchStrategy, SettingsProvider
-from .settings_manager import settings as default_settings
+from .settings_manager import get_settings_manager
 
 logger = logging.getLogger(__name__)
 
@@ -37,7 +38,7 @@ class BaseModelService(ABC):
         self.model_type = model_type
         self.scanner = scanner
         self.metadata_class = metadata_class
-        self.settings = settings_provider or default_settings
+        self.settings = settings_provider or get_settings_manager()
         self.cache_repository = cache_repository or ModelCacheRepository(scanner)
         self.filter_set = filter_set or ModelFilterSet(self.settings)
         self.search_strategy = search_strategy or SearchStrategy()
@@ -313,24 +314,24 @@ class BaseModelService(ABC):
         return {'civitai_url': None, 'model_id': None, 'version_id': None}
 
     async def get_model_metadata(self, file_path: str) -> Optional[Dict]:
-        """Get filtered CivitAI metadata for a model by file path"""
-        cache = await self.scanner.get_cached_data()
-        
-        for model in cache.raw_data:
-            if model.get('file_path') == file_path:
-                return self.filter_civitai_data(model.get("civitai", {}))
-        
-        return None
+        """Load full metadata for a single model.
+
+        Listing/search endpoints return lightweight cache entries; this method performs
+        a lazy read of the on-disk metadata snapshot when callers need full detail.
+        """
+        metadata, should_skip = await MetadataManager.load_metadata(file_path, self.metadata_class)
+        if should_skip or metadata is None:
+            return None
+        return self.filter_civitai_data(metadata.to_dict().get("civitai", {}))
+
 
     async def get_model_description(self, file_path: str) -> Optional[str]:
-        """Get model description by file path"""
-        cache = await self.scanner.get_cached_data()
-        
-        for model in cache.raw_data:
-            if model.get('file_path') == file_path:
-                return model.get('modelDescription', '')
-        
-        return None
+        """Return the stored modelDescription field for a model."""
+        metadata, should_skip = await MetadataManager.load_metadata(file_path, self.metadata_class)
+        if should_skip or metadata is None:
+            return None
+        return metadata.modelDescription or ''
+
 
     async def search_relative_paths(self, search_term: str, limit: int = 15) -> List[str]:
         """Search model relative file paths for autocomplete functionality"""

py/services/civitai_client.py

@@ -1,7 +1,7 @@
-import os
+import asyncio
 import copy
 import logging
-import asyncio
+import os
 from typing import Optional, Dict, Tuple, List
 from .model_metadata_provider import CivitaiModelMetadataProvider, ModelMetadataProviderManager
 from .downloader import get_downloader
@@ -32,6 +32,24 @@ class CivitaiClient:
         self._initialized = True
         
         self.base_url = "https://civitai.com/api/v1"
+
+    @staticmethod
+    def _remove_comfy_metadata(model_version: Optional[Dict]) -> None:
+        """Remove Comfy-specific metadata from model version images."""
+        if not isinstance(model_version, dict):
+            return
+
+        images = model_version.get("images")
+        if not isinstance(images, list):
+            return
+
+        for image in images:
+            if not isinstance(image, dict):
+                continue
+
+            meta = image.get("meta")
+            if isinstance(meta, dict) and "comfy" in meta:
+                meta.pop("comfy", None)
     
     async def download_file(self, url: str, save_dir: str, default_filename: str, progress_callback=None) -> Tuple[bool, str]:
         """Download file with resumable downloads and retry mechanism
@@ -81,10 +99,11 @@ class CivitaiClient:
                         # Enrich version_info with model data
                         result['model']['description'] = data.get("description")
                         result['model']['tags'] = data.get("tags", [])
-                        
+
                         # Add creator from model data
                         result['creator'] = data.get("creator")
-                
+
+                self._remove_comfy_metadata(result)
                 return result, None
             
             # Handle specific error cases
@@ -138,139 +157,160 @@ class CivitaiClient:
             return None
             
     async def get_model_version(self, model_id: int = None, version_id: int = None) -> Optional[Dict]:
-        """Get specific model version with additional metadata
-        
-        Args:
-            model_id: The Civitai model ID (optional if version_id is provided)
-            version_id: Optional specific version ID to retrieve
-            
-        Returns:
-            Optional[Dict]: The model version data with additional fields or None if not found
-        """
+        """Get specific model version with additional metadata."""
         try:
             downloader = await get_downloader()
-            
-            # Case 1: Only version_id is provided
+
             if model_id is None and version_id is not None:
-                # First get the version info to extract model_id
-                success, version = await downloader.make_request(
-                    'GET',
-                    f"{self.base_url}/model-versions/{version_id}",
-                    use_auth=True
-                )
-                if not success:
-                    return None
-                
-                model_id = version.get('modelId')
-                if not model_id:
-                    logger.error(f"No modelId found in version {version_id}")
-                    return None
-            
-                # Now get the model data for additional metadata
-                success, model_data = await downloader.make_request(
-                    'GET',
-                    f"{self.base_url}/models/{model_id}",
-                    use_auth=True
-                )
-                if success:
-                    # Enrich version with model data
-                    version['model']['description'] = model_data.get("description")
-                    version['model']['tags'] = model_data.get("tags", [])
-                    version['creator'] = model_data.get("creator")
-                
-                return version
-            
-            # Case 2: model_id is provided (with or without version_id)
-            elif model_id is not None:
-                # Step 1: Get model data to find version_id if not provided and get additional metadata
-                success, data = await downloader.make_request(
-                    'GET',
-                    f"{self.base_url}/models/{model_id}",
-                    use_auth=True
-                )
-                if not success:
-                    return None
+                return await self._get_version_by_id_only(downloader, version_id)
 
-                model_versions = data.get('modelVersions', [])
-                if not model_versions:
-                    logger.warning(f"No model versions found for model {model_id}")
-                    return None
+            if model_id is not None:
+                return await self._get_version_with_model_id(downloader, model_id, version_id)
 
-                # Step 2: Determine the target version entry to use
-                target_version = None
-                if version_id is not None:
-                    target_version = next(
-                        (item for item in model_versions if item.get('id') == version_id),
-                        None
-                    )
-                    if target_version is None:
-                        logger.warning(
-                            f"Version {version_id} not found for model {model_id}, defaulting to first version"
-                        )
-                if target_version is None:
-                    target_version = model_versions[0]
+            logger.error("Either model_id or version_id must be provided")
+            return None
 
-                target_version_id = target_version.get('id')
-
-                # Step 3: Get detailed version info using the SHA256 hash
-                model_hash = None
-                for file_info in target_version.get('files', []):
-                    if file_info.get('type') == 'Model' and file_info.get('primary'):
-                        model_hash = file_info.get('hashes', {}).get('SHA256')
-                        if model_hash:
-                            break
-
-                version = None
-                if model_hash:
-                    success, version = await downloader.make_request(
-                        'GET',
-                        f"{self.base_url}/model-versions/by-hash/{model_hash}",
-                        use_auth=True
-                    )
-                    if not success:
-                        logger.warning(
-                            f"Failed to fetch version by hash for model {model_id} version {target_version_id}: {version}"
-                        )
-                        version = None
-                else:
-                    logger.warning(
-                        f"No primary model hash found for model {model_id} version {target_version_id}"
-                    )
-
-                if version is None:
-                    version = copy.deepcopy(target_version)
-                    version.pop('index', None)
-                    version['modelId'] = model_id
-                    version['model'] = {
-                        'name': data.get('name'),
-                        'type': data.get('type'),
-                        'nsfw': data.get('nsfw'),
-                        'poi': data.get('poi')
-                    }
-
-                # Step 4: Enrich version_info with model data
-                # Add description and tags from model data
-                model_info = version.get('model')
-                if not isinstance(model_info, dict):
-                    model_info = {}
-                    version['model'] = model_info
-                model_info['description'] = data.get("description")
-                model_info['tags'] = data.get("tags", [])
-
-                # Add creator from model data
-                version['creator'] = data.get("creator")
-
-                return version
-            
-            # Case 3: Neither model_id nor version_id provided
-            else:
-                logger.error("Either model_id or version_id must be provided")
-                return None
-                
         except Exception as e:
             logger.error(f"Error fetching model version: {e}")
             return None
 
+    async def _get_version_by_id_only(self, downloader, version_id: int) -> Optional[Dict]:
+        version = await self._fetch_version_by_id(downloader, version_id)
+        if version is None:
+            return None
+
+        model_id = version.get('modelId')
+        if not model_id:
+            logger.error(f"No modelId found in version {version_id}")
+            return None
+
+        model_data = await self._fetch_model_data(downloader, model_id)
+        if model_data:
+            self._enrich_version_with_model_data(version, model_data)
+
+        self._remove_comfy_metadata(version)
+        return version
+
+    async def _get_version_with_model_id(self, downloader, model_id: int, version_id: Optional[int]) -> Optional[Dict]:
+        model_data = await self._fetch_model_data(downloader, model_id)
+        if not model_data:
+            return None
+
+        target_version = self._select_target_version(model_data, model_id, version_id)
+        if target_version is None:
+            return None
+
+        target_version_id = target_version.get('id')
+        version = await self._fetch_version_by_id(downloader, target_version_id) if target_version_id else None
+
+        if version is None:
+            model_hash = self._extract_primary_model_hash(target_version)
+            if model_hash:
+                version = await self._fetch_version_by_hash(downloader, model_hash)
+            else:
+                logger.warning(
+                    f"No primary model hash found for model {model_id} version {target_version_id}"
+                )
+
+        if version is None:
+            version = self._build_version_from_model_data(target_version, model_id, model_data)
+
+        self._enrich_version_with_model_data(version, model_data)
+        self._remove_comfy_metadata(version)
+        return version
+
+    async def _fetch_model_data(self, downloader, model_id: int) -> Optional[Dict]:
+        success, data = await downloader.make_request(
+            'GET',
+            f"{self.base_url}/models/{model_id}",
+            use_auth=True
+        )
+        if success:
+            return data
+        logger.warning(f"Failed to fetch model data for model {model_id}")
+        return None
+
+    async def _fetch_version_by_id(self, downloader, version_id: Optional[int]) -> Optional[Dict]:
+        if version_id is None:
+            return None
+
+        success, version = await downloader.make_request(
+            'GET',
+            f"{self.base_url}/model-versions/{version_id}",
+            use_auth=True
+        )
+        if success:
+            return version
+
+        logger.warning(f"Failed to fetch version by id {version_id}")
+        return None
+
+    async def _fetch_version_by_hash(self, downloader, model_hash: Optional[str]) -> Optional[Dict]:
+        if not model_hash:
+            return None
+
+        success, version = await downloader.make_request(
+            'GET',
+            f"{self.base_url}/model-versions/by-hash/{model_hash}",
+            use_auth=True
+        )
+        if success:
+            return version
+
+        logger.warning(f"Failed to fetch version by hash {model_hash}")
+        return None
+
+    def _select_target_version(self, model_data: Dict, model_id: int, version_id: Optional[int]) -> Optional[Dict]:
+        model_versions = model_data.get('modelVersions', [])
+        if not model_versions:
+            logger.warning(f"No model versions found for model {model_id}")
+            return None
+
+        if version_id is not None:
+            target_version = next(
+                (item for item in model_versions if item.get('id') == version_id),
+                None
+            )
+            if target_version is None:
+                logger.warning(
+                    f"Version {version_id} not found for model {model_id}, defaulting to first version"
+                )
+                return model_versions[0]
+            return target_version
+
+        return model_versions[0]
+
+    def _extract_primary_model_hash(self, version_entry: Dict) -> Optional[str]:
+        for file_info in version_entry.get('files', []):
+            if file_info.get('type') == 'Model' and file_info.get('primary'):
+                hashes = file_info.get('hashes', {})
+                model_hash = hashes.get('SHA256')
+                if model_hash:
+                    return model_hash
+        return None
+
+    def _build_version_from_model_data(self, version_entry: Dict, model_id: int, model_data: Dict) -> Dict:
+        version = copy.deepcopy(version_entry)
+        version.pop('index', None)
+        version['modelId'] = model_id
+        version['model'] = {
+            'name': model_data.get('name'),
+            'type': model_data.get('type'),
+            'nsfw': model_data.get('nsfw'),
+            'poi': model_data.get('poi')
+        }
+        return version
+
+    def _enrich_version_with_model_data(self, version: Dict, model_data: Dict) -> None:
+        model_info = version.get('model')
+        if not isinstance(model_info, dict):
+            model_info = {}
+            version['model'] = model_info
+
+        model_info['description'] = model_data.get("description")
+        model_info['tags'] = model_data.get("tags", [])
+        version['creator'] = model_data.get("creator")
+
     async def get_model_version_info(self, version_id: str) -> Tuple[Optional[Dict], Optional[str]]:
         """Fetch model version metadata from Civitai
         
@@ -295,6 +335,7 @@ class CivitaiClient:
             
             if success:
                 logger.debug(f"Successfully fetched model version info for: {version_id}")
+                self._remove_comfy_metadata(result)
                 return result, None
             
             # Handle specific error cases
@@ -313,7 +354,7 @@ class CivitaiClient:
 
     async def get_image_info(self, image_id: str) -> Optional[Dict]:
         """Fetch image information from Civitai API
-        
+
         Args:
             image_id: The Civitai image ID
             
@@ -344,3 +385,37 @@ class CivitaiClient:
             error_msg = f"Error fetching image info: {e}"
             logger.error(error_msg)
             return None
+
+    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+        """Fetch all models for a specific Civitai user."""
+        if not username:
+            return None
+
+        try:
+            downloader = await get_downloader()
+            url = f"{self.base_url}/models?username={username}"
+            success, result = await downloader.make_request(
+                'GET',
+                url,
+                use_auth=True
+            )
+
+            if not success:
+                logger.error("Failed to fetch models for %s: %s", username, result)
+                return None
+
+            items = result.get("items") if isinstance(result, dict) else None
+            if not isinstance(items, list):
+                return []
+
+            for model in items:
+                versions = model.get("modelVersions")
+                if not isinstance(versions, list):
+                    continue
+                for version in versions:
+                    self._remove_comfy_metadata(version)
+
+            return items
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.error("Error fetching models for %s: %s", username, exc)
+            return None

py/services/download_manager.py

@@ -3,13 +3,15 @@ import os
 import asyncio
 from collections import OrderedDict
 import uuid
-from typing import Dict
+from typing import Dict, List
+from urllib.parse import urlparse
 from ..utils.models import LoraMetadata, CheckpointMetadata, EmbeddingMetadata
 from ..utils.constants import CARD_PREVIEW_WIDTH, VALID_LORA_TYPES, CIVITAI_MODEL_TAGS
+from ..utils.civitai_utils import rewrite_preview_url
 from ..utils.exif_utils import ExifUtils
 from ..utils.metadata_manager import MetadataManager
 from .service_registry import ServiceRegistry
-from .settings_manager import settings
+from .settings_manager import get_settings_manager
 from .metadata_service import get_default_metadata_provider
 from .downloader import get_downloader
 
@@ -241,23 +243,24 @@ class DownloadManager:
             
             # Handle use_default_paths
             if use_default_paths:
+                settings_manager = get_settings_manager()
                 # Set save_dir based on model type
                 if model_type == 'checkpoint':
-                    default_path = settings.get('default_checkpoint_root')
+                    default_path = settings_manager.get('default_checkpoint_root')
                     if not default_path:
                         return {'success': False, 'error': 'Default checkpoint root path not set in settings'}
                     save_dir = default_path
                 elif model_type == 'lora':
-                    default_path = settings.get('default_lora_root')
+                    default_path = settings_manager.get('default_lora_root')
                     if not default_path:
                         return {'success': False, 'error': 'Default lora root path not set in settings'}
                     save_dir = default_path
                 elif model_type == 'embedding':
-                    default_path = settings.get('default_embedding_root')
+                    default_path = settings_manager.get('default_embedding_root')
                     if not default_path:
                         return {'success': False, 'error': 'Default embedding root path not set in settings'}
                     save_dir = default_path
-                    
+
                 # Calculate relative path using template
                 relative_path = self._calculate_relative_path(version_info, model_type)
 
@@ -294,7 +297,18 @@ class DownloadManager:
             file_info = next((f for f in version_info.get('files', []) if f.get('primary')), None)
             if not file_info:
                 return {'success': False, 'error': 'No primary file found in metadata'}
-            if not file_info.get('downloadUrl'):
+            mirrors = file_info.get('mirrors') or []
+            download_urls = []
+            if mirrors:
+                for mirror in mirrors:
+                    if mirror.get('deletedAt') is None and mirror.get('url'):
+                        download_urls.append(mirror['url'])
+            else:
+                download_url = file_info.get('downloadUrl')
+                if download_url:
+                    download_urls.append(download_url)
+
+            if not download_urls:
                 return {'success': False, 'error': 'No download URL found for primary file'}
 
             # 3. Prepare download
@@ -314,7 +328,7 @@ class DownloadManager:
             
             # 6. Start download process
             result = await self._execute_download(
-                download_url=file_info.get('downloadUrl', ''),
+                download_urls=download_urls,
                 save_dir=save_dir,
                 metadata=metadata,
                 version_info=version_info,
@@ -349,7 +363,8 @@ class DownloadManager:
             Relative path string
         """
         # Get path template from settings for specific model type
-        path_template = settings.get_download_path_template(model_type)
+        settings_manager = get_settings_manager()
+        path_template = settings_manager.get_download_path_template(model_type)
         
         # If template is empty, return empty path (flat structure)
         if not path_template:
@@ -366,7 +381,7 @@ class DownloadManager:
             author = 'Anonymous'
         
         # Apply mapping if available
-        base_model_mappings = settings.get('base_model_path_mappings', {})
+        base_model_mappings = settings_manager.get('base_model_path_mappings', {})
         mapped_base_model = base_model_mappings.get(base_model, base_model)
         
         # Get model tags
@@ -388,11 +403,14 @@ class DownloadManager:
         formatted_path = formatted_path.replace('{base_model}', mapped_base_model)
         formatted_path = formatted_path.replace('{first_tag}', first_tag)
         formatted_path = formatted_path.replace('{author}', author)
-        
+
+        if model_type == 'embedding':
+            formatted_path = formatted_path.replace(' ', '_')
+
         return formatted_path
 
-    async def _execute_download(self, download_url: str, save_dir: str, 
-                          metadata, version_info: Dict, 
+    async def _execute_download(self, download_urls: List[str], save_dir: str,
+                          metadata, version_info: Dict,
                           relative_path: str, progress_callback=None,
                           model_type: str = "lora", download_id: str = None) -> Dict:
         """Execute the actual download process including preview images and model files"""
@@ -434,102 +452,146 @@ class DownloadManager:
             # Download preview image if available
             images = version_info.get('images', [])
             if images:
-                # Report preview download progress
                 if progress_callback:
                     await progress_callback(1)  # 1% progress for starting preview download
 
-                # Check if it's a video or an image
-                is_video = images[0].get('type') == 'video'
-                
-                if (is_video):
-                    # For videos, use .mp4 extension
-                    preview_ext = '.mp4'
-                    preview_path = os.path.splitext(save_path)[0] + preview_ext
-                    
-                    # Download video directly using downloader
-                    downloader = await get_downloader()
-                    success, result = await downloader.download_file(
-                        images[0]['url'], 
-                        preview_path, 
-                        use_auth=False  # Preview images typically don't need auth
-                    )
-                    if success:
-                        metadata.preview_url = preview_path.replace(os.sep, '/')
-                        metadata.preview_nsfw_level = images[0].get('nsfwLevel', 0)
-                else:
-                    # For images, use WebP format for better performance
-                    with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as temp_file:
-                        temp_path = temp_file.name
-                    
-                    # Download the original image to temp path using downloader
-                    downloader = await get_downloader()
-                    success, content, headers = await downloader.download_to_memory(
-                        images[0]['url'], 
-                        use_auth=False
-                    )
-                    if success:
-                        # Save to temp file
-                        with open(temp_path, 'wb') as f:
-                            f.write(content)
-                        # Optimize and convert to WebP
-                        preview_path = os.path.splitext(save_path)[0] + '.webp'
-                        
-                        # Use ExifUtils to optimize and convert the image
-                        optimized_data, _ = ExifUtils.optimize_image(
-                            image_data=temp_path,
-                            target_width=CARD_PREVIEW_WIDTH,
-                            format='webp',
-                            quality=85,
-                            preserve_metadata=False
-                        )
-                        
-                        # Save the optimized image
-                        with open(preview_path, 'wb') as f:
-                            f.write(optimized_data)
-                            
-                        # Update metadata
-                        metadata.preview_url = preview_path.replace(os.sep, '/')
-                        metadata.preview_nsfw_level = images[0].get('nsfwLevel', 0)
-                        
-                        # Remove temporary file
-                        try:
-                            os.unlink(temp_path)
-                        except Exception as e:
-                            logger.warning(f"Failed to delete temp file: {e}")
+                first_image = images[0] if isinstance(images[0], dict) else None
+                preview_url = first_image.get('url') if first_image else None
+                media_type = (first_image.get('type') or '').lower() if first_image else ''
+                nsfw_level = first_image.get('nsfwLevel', 0) if first_image else 0
+
+                def _extension_from_url(url: str, fallback: str) -> str:
+                    try:
+                        parsed = urlparse(url)
+                    except ValueError:
+                        return fallback
+                    ext = os.path.splitext(parsed.path)[1]
+                    return ext or fallback
+
+                preview_downloaded = False
+                preview_path = None
+
+                if preview_url:
+                    downloader = await get_downloader()
+
+                    if media_type == 'video':
+                        preview_ext = _extension_from_url(preview_url, '.mp4')
+                        preview_path = os.path.splitext(save_path)[0] + preview_ext
+                        rewritten_url, rewritten = rewrite_preview_url(preview_url, media_type='video')
+                        attempt_urls: List[str] = []
+                        if rewritten:
+                            attempt_urls.append(rewritten_url)
+                        attempt_urls.append(preview_url)
+
+                        seen_attempts = set()
+                        for attempt in attempt_urls:
+                            if not attempt or attempt in seen_attempts:
+                                continue
+                            seen_attempts.add(attempt)
+                            success, _ = await downloader.download_file(
+                                attempt,
+                                preview_path,
+                                use_auth=False
+                            )
+                            if success:
+                                preview_downloaded = True
+                                break
+                    else:
+                        rewritten_url, rewritten = rewrite_preview_url(preview_url, media_type='image')
+                        if rewritten:
+                            preview_ext = _extension_from_url(preview_url, '.png')
+                            preview_path = os.path.splitext(save_path)[0] + preview_ext
+                            success, _ = await downloader.download_file(
+                                rewritten_url,
+                                preview_path,
+                                use_auth=False
+                            )
+                            if success:
+                                preview_downloaded = True
+
+                        if not preview_downloaded:
+                            temp_path: str | None = None
+                            try:
+                                with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as temp_file:
+                                    temp_path = temp_file.name
+
+                                success, content, _ = await downloader.download_to_memory(
+                                    preview_url,
+                                    use_auth=False
+                                )
+                                if success:
+                                    with open(temp_path, 'wb') as temp_file_handle:
+                                        temp_file_handle.write(content)
+                                    preview_path = os.path.splitext(save_path)[0] + '.webp'
+
+                                    optimized_data, _ = ExifUtils.optimize_image(
+                                        image_data=temp_path,
+                                        target_width=CARD_PREVIEW_WIDTH,
+                                        format='webp',
+                                        quality=85,
+                                        preserve_metadata=False
+                                    )
+
+                                    with open(preview_path, 'wb') as preview_file:
+                                        preview_file.write(optimized_data)
+
+                                    preview_downloaded = True
+                            finally:
+                                if temp_path and os.path.exists(temp_path):
+                                    try:
+                                        os.unlink(temp_path)
+                                    except Exception as e:
+                                        logger.warning(f"Failed to delete temp file: {e}")
+
+                if preview_downloaded and preview_path:
+                    metadata.preview_url = preview_path.replace(os.sep, '/')
+                    metadata.preview_nsfw_level = nsfw_level
+                    if download_id and download_id in self._active_downloads:
+                        self._active_downloads[download_id]['preview_path'] = preview_path
 
-                # Report preview download completion
                 if progress_callback:
                     await progress_callback(3)  # 3% progress after preview download
 
             # Download model file with progress tracking using downloader
             downloader = await get_downloader()
-            # Determine if the download URL is from Civitai
-            use_auth = download_url.startswith("https://civitai.com/api/download/")
-            success, result = await downloader.download_file(
-                download_url, 
-                save_path,  # Use full path instead of separate dir and filename
-                progress_callback=lambda p: self._handle_download_progress(p, progress_callback),
-                use_auth=use_auth  # Only use authentication for Civitai downloads
-            )
+            last_error = None
+            for download_url in download_urls:
+                use_auth = download_url.startswith("https://civitai.com/api/download/")
+                success, result = await downloader.download_file(
+                    download_url,
+                    save_path,  # Use full path instead of separate dir and filename
+                    progress_callback=lambda p: self._handle_download_progress(p, progress_callback),
+                    use_auth=use_auth  # Only use authentication for Civitai downloads
+                )
 
-            if not success:
+                if success:
+                    break
+
+                last_error = result
+                if os.path.exists(save_path):
+                    try:
+                        os.remove(save_path)
+                    except Exception as e:
+                        logger.warning(f"Failed to remove incomplete file {save_path}: {e}")
+            else:
                 # Clean up files on failure, but preserve .part file for resume
                 cleanup_files = [metadata_path]
-                if metadata.preview_url and os.path.exists(metadata.preview_url):
-                    cleanup_files.append(metadata.preview_url)
-                
+                preview_path_value = getattr(metadata, 'preview_url', None)
+                if preview_path_value and os.path.exists(preview_path_value):
+                    cleanup_files.append(preview_path_value)
+
                 for path in cleanup_files:
                     if path and os.path.exists(path):
                         try:
                             os.remove(path)
                         except Exception as e:
                             logger.warning(f"Failed to cleanup file {path}: {e}")
-                
+
                 # Log but don't remove .part file to allow resume
                 if os.path.exists(part_path):
                     logger.info(f"Preserving partial download for resume: {part_path}")
-                
-                return {'success': False, 'error': result}
+
+                return {'success': False, 'error': last_error or 'Failed to download file'}
 
             # 4. Update file information (size and modified time)
             metadata.update_file_info(save_path)
@@ -650,7 +712,15 @@ class DownloadManager:
                         except Exception as e:
                             logger.error(f"Error deleting metadata file: {e}")
 
-                    # Delete preview file if exists (.webp or .mp4)
+                    preview_path_value = download_info.get('preview_path')
+                    if preview_path_value and os.path.exists(preview_path_value):
+                        try:
+                            os.unlink(preview_path_value)
+                            logger.debug(f"Deleted preview file: {preview_path_value}")
+                        except Exception as e:
+                            logger.error(f"Error deleting preview file: {e}")
+
+                    # Delete preview file if exists (.webp or .mp4) for legacy paths
                     for preview_ext in ['.webp', '.mp4']:
                         preview_path = os.path.splitext(file_path)[0] + preview_ext
                         if os.path.exists(preview_path):
@@ -683,4 +753,4 @@ class DownloadManager:
                 }
                 for task_id, info in self._active_downloads.items()
             ]
-        }
+        }

py/services/downloader.py

@@ -16,7 +16,7 @@ import asyncio
 import aiohttp
 from datetime import datetime
 from typing import Optional, Dict, Tuple, Callable, Union
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 
 logger = logging.getLogger(__name__)
 
@@ -94,12 +94,13 @@ class Downloader:
         
         # Check for app-level proxy settings
         proxy_url = None
-        if settings.get('proxy_enabled', False):
-            proxy_host = settings.get('proxy_host', '').strip()
-            proxy_port = settings.get('proxy_port', '').strip()
-            proxy_type = settings.get('proxy_type', 'http').lower()
-            proxy_username = settings.get('proxy_username', '').strip()
-            proxy_password = settings.get('proxy_password', '').strip()
+        settings_manager = get_settings_manager()
+        if settings_manager.get('proxy_enabled', False):
+            proxy_host = settings_manager.get('proxy_host', '').strip()
+            proxy_port = settings_manager.get('proxy_port', '').strip()
+            proxy_type = settings_manager.get('proxy_type', 'http').lower()
+            proxy_username = settings_manager.get('proxy_username', '').strip()
+            proxy_password = settings_manager.get('proxy_password', '').strip()
             
             if proxy_host and proxy_port:
                 # Build proxy URL
@@ -146,7 +147,8 @@ class Downloader:
         
         if use_auth:
             # Add CivitAI API key if available
-            api_key = settings.get('civitai_api_key')
+            settings_manager = get_settings_manager()
+            api_key = settings_manager.get('civitai_api_key')
             if api_key:
                 headers['Authorization'] = f'Bearer {api_key}'
                 headers['Content-Type'] = 'application/json'

py/services/example_images_cleanup_service.py

@@ -8,10 +8,11 @@ import os
 import shutil
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Dict, List
+from typing import Dict, List, Tuple
 
 from .service_registry import ServiceRegistry
-from .settings_manager import settings
+from .settings_manager import get_settings_manager
+from ..utils.example_images_paths import iter_library_roots
 
 
 logger = logging.getLogger(__name__)
@@ -61,7 +62,8 @@ class ExampleImagesCleanupService:
     async def cleanup_example_image_folders(self) -> Dict[str, object]:
         """Clean empty or orphaned example image folders by moving them under a deleted bucket."""
 
-        example_images_path = settings.get("example_images_path")
+        settings_manager = get_settings_manager()
+        example_images_path = settings_manager.get("example_images_path")
         if not example_images_path:
             logger.debug("Cleanup skipped: example images path not configured")
             return {
@@ -70,9 +72,9 @@ class ExampleImagesCleanupService:
                 "error_code": "path_not_configured",
             }
 
-        example_root = Path(example_images_path)
-        if not example_root.exists():
-            logger.debug("Cleanup skipped: example images path missing -> %s", example_root)
+        base_root = Path(example_images_path)
+        if not base_root.exists():
+            logger.debug("Cleanup skipped: example images path missing -> %s", base_root)
             return {
                 "success": False,
                 "error": "Example images path does not exist.",
@@ -91,9 +93,6 @@ class ExampleImagesCleanupService:
                 "error_code": "scanner_initialization_failed",
             }
 
-        deleted_bucket = example_root / self._deleted_folder_name
-        deleted_bucket.mkdir(exist_ok=True)
-
         checked_folders = 0
         moved_empty = 0
         moved_orphaned = 0
@@ -101,45 +100,96 @@ class ExampleImagesCleanupService:
         move_failures = 0
         errors: List[str] = []
 
-        for entry in os.scandir(example_root):
-            if not entry.is_dir(follow_symlinks=False):
+        resolved_base = base_root.resolve()
+        library_paths: List[Tuple[str, Path]] = []
+        processed_paths = {resolved_base}
+
+        for library_name, library_path in iter_library_roots():
+            if not library_path:
                 continue
-
-            if entry.name == self._deleted_folder_name:
-                continue
-
-            checked_folders += 1
-            folder_path = Path(entry.path)
-
+            library_root = Path(library_path)
             try:
-                if self._is_folder_empty(folder_path):
-                    if await self._remove_empty_folder(folder_path):
-                        moved_empty += 1
-                    else:
-                        move_failures += 1
-                    continue
-
-                if not self._is_hash_folder(entry.name):
-                    skipped_non_hash += 1
-                    continue
-
-                hash_exists = (
-                    lora_scanner.has_hash(entry.name)
-                    or checkpoint_scanner.has_hash(entry.name)
-                    or embedding_scanner.has_hash(entry.name)
+                resolved = library_root.resolve()
+            except FileNotFoundError:
+                continue
+            if resolved in processed_paths:
+                continue
+            if not library_root.exists():
+                logger.debug(
+                    "Skipping cleanup for library '%s': folder missing (%s)",
+                    library_name,
+                    library_root,
                 )
+                continue
+            processed_paths.add(resolved)
+            library_paths.append((library_name, library_root))
 
-                if not hash_exists:
-                    if await self._move_folder(folder_path, deleted_bucket):
-                        moved_orphaned += 1
-                    else:
-                        move_failures += 1
+        deleted_roots: List[Path] = []
 
-            except Exception as exc:  # pragma: no cover - filesystem guard
-                move_failures += 1
-                error_message = f"{entry.name}: {exc}"
-                errors.append(error_message)
-                logger.error("Error processing example images folder %s: %s", folder_path, exc, exc_info=True)
+        # Build list of (label, root) pairs including the base root for legacy layouts
+        cleanup_targets: List[Tuple[str, Path]] = [("__base__", base_root)] + library_paths
+
+        library_root_set = {root.resolve() for _, root in library_paths}
+
+        for label, root_path in cleanup_targets:
+            deleted_bucket = root_path / self._deleted_folder_name
+            deleted_bucket.mkdir(exist_ok=True)
+            deleted_roots.append(deleted_bucket)
+
+            for entry in os.scandir(root_path):
+                if not entry.is_dir(follow_symlinks=False):
+                    continue
+
+                if entry.name == self._deleted_folder_name:
+                    continue
+
+                entry_path = Path(entry.path)
+
+                if label == "__base__":
+                    try:
+                        resolved_entry = entry_path.resolve()
+                    except FileNotFoundError:
+                        continue
+                    if resolved_entry in library_root_set:
+                        # Skip library-specific folders tracked separately
+                        continue
+
+                checked_folders += 1
+
+                try:
+                    if self._is_folder_empty(entry_path):
+                        if await self._remove_empty_folder(entry_path):
+                            moved_empty += 1
+                        else:
+                            move_failures += 1
+                        continue
+
+                    if not self._is_hash_folder(entry.name):
+                        skipped_non_hash += 1
+                        continue
+
+                    hash_exists = (
+                        lora_scanner.has_hash(entry.name)
+                        or checkpoint_scanner.has_hash(entry.name)
+                        or embedding_scanner.has_hash(entry.name)
+                    )
+
+                    if not hash_exists:
+                        if await self._move_folder(entry_path, deleted_bucket):
+                            moved_orphaned += 1
+                        else:
+                            move_failures += 1
+
+                except Exception as exc:  # pragma: no cover - filesystem guard
+                    move_failures += 1
+                    error_message = f"{entry.name}: {exc}"
+                    errors.append(error_message)
+                    logger.error(
+                        "Error processing example images folder %s: %s",
+                        entry_path,
+                        exc,
+                        exc_info=True,
+                    )
 
         partial_success = move_failures > 0 and (moved_empty > 0 or moved_orphaned > 0)
         success = move_failures == 0 and not errors
@@ -152,11 +202,12 @@ class ExampleImagesCleanupService:
             skipped_non_hash=skipped_non_hash,
             move_failures=move_failures,
             errors=errors,
-            deleted_root=str(deleted_bucket),
+            deleted_root=str(deleted_roots[0]) if deleted_roots else None,
             partial_success=partial_success,
         )
 
         summary = result.to_dict()
+        summary["deleted_roots"] = [str(path) for path in deleted_roots]
         if success:
             logger.info(
                 "Example images cleanup complete: checked=%s, moved_empty=%s, moved_orphaned=%s",

py/services/metadata_service.py

@@ -6,7 +6,7 @@ from .model_metadata_provider import (
     CivitaiModelMetadataProvider,
     FallbackMetadataProvider
 )
-from .settings_manager import settings
+from .settings_manager import get_settings_manager
 from .metadata_archive_manager import MetadataArchiveManager
 from .service_registry import ServiceRegistry
 
@@ -21,7 +21,8 @@ async def initialize_metadata_providers():
     provider_manager.default_provider = None
     
     # Get settings
-    enable_archive_db = settings.get('enable_metadata_archive_db', False)
+    settings_manager = get_settings_manager()
+    enable_archive_db = settings_manager.get('enable_metadata_archive_db', False)
     
     providers = []
     
@@ -37,7 +38,7 @@ async def initialize_metadata_providers():
                 sqlite_provider = SQLiteModelMetadataProvider(db_path)
                 provider_manager.register_provider('sqlite', sqlite_provider)
                 providers.append(('sqlite', sqlite_provider))
-                logger.info(f"SQLite metadata provider registered with database: {db_path}")
+                logger.debug(f"SQLite metadata provider registered with database: {db_path}")
             else:
                 logger.warning("Metadata archive database is enabled but database file not found")
         except Exception as e:
@@ -72,7 +73,7 @@ async def initialize_metadata_providers():
         if ordered_providers:
             fallback_provider = FallbackMetadataProvider(ordered_providers)
             provider_manager.register_provider('fallback', fallback_provider, is_default=True)
-            logger.info(f"Fallback metadata provider registered with {len(ordered_providers)} providers, Civitai API first")
+            logger.debug(f"Fallback metadata provider registered with {len(ordered_providers)} providers, Civitai API first")
     elif len(providers) == 1:
         # Only one provider available, set it as default
         provider_name, provider = providers[0]
@@ -87,7 +88,8 @@ async def update_metadata_providers():
     """Update metadata providers based on current settings"""
     try:
         # Get current settings
-        enable_archive_db = settings.get('enable_metadata_archive_db', False)
+        settings_manager = get_settings_manager()
+        enable_archive_db = settings_manager.get('enable_metadata_archive_db', False)
         
         # Reinitialize all providers with new settings
         provider_manager = await initialize_metadata_providers()

py/services/metadata_sync_service.py

@@ -166,10 +166,11 @@ class MetadataSyncService:
         try:
             if model_data.get("civitai_deleted") is True:
                 if not enable_archive or model_data.get("db_checked") is True:
-                    return (
-                        False,
-                        "CivitAI model is deleted and metadata archive DB is not enabled",
-                    )
+                    if not enable_archive:
+                        error_msg = "CivitAI model is deleted and metadata archive DB is not enabled"
+                    else:
+                        error_msg = "CivitAI model is deleted and not found in metadata archive DB"
+                    return (False, error_msg)
                 metadata_provider = await self._get_provider("sqlite")
             else:
                 metadata_provider = await self._get_default_provider()

py/services/model_cache.py

@@ -1,6 +1,6 @@
 import asyncio
-from typing import List, Dict, Tuple
-from dataclasses import dataclass
+from typing import Any, Dict, List, Optional, Tuple
+from dataclasses import dataclass, field
 from operator import itemgetter
 from natsort import natsorted
 
@@ -17,10 +17,12 @@ SUPPORTED_SORT_MODES = [
 
 @dataclass
 class ModelCache:
-    """Cache structure for model data with extensible sorting"""
+    """Cache structure for model data with extensible sorting."""
+
     raw_data: List[Dict]
     folders: List[str]
-    
+    version_index: Dict[int, Dict] = field(default_factory=dict)
+
     def __post_init__(self):
         self._lock = asyncio.Lock()
         # Cache for last sort: (sort_key, order) -> sorted list
@@ -28,6 +30,58 @@ class ModelCache:
         self._last_sorted_data: List[Dict] = []
         # Default sort on init
         asyncio.create_task(self.resort())
+        self.rebuild_version_index()
+
+    @staticmethod
+    def _normalize_version_id(value: Any) -> Optional[int]:
+        """Normalize a potential version identifier into an integer."""
+
+        if isinstance(value, int):
+            return value
+        if isinstance(value, str):
+            try:
+                return int(value)
+            except ValueError:
+                return None
+        return None
+
+    def rebuild_version_index(self) -> None:
+        """Rebuild the version index from the current raw data."""
+
+        self.version_index = {}
+        for item in self.raw_data:
+            self.add_to_version_index(item)
+
+    def add_to_version_index(self, item: Dict) -> None:
+        """Register a cache item in the version index if possible."""
+
+        civitai_data = item.get('civitai') if isinstance(item, dict) else None
+        if not isinstance(civitai_data, dict):
+            return
+
+        version_id = self._normalize_version_id(civitai_data.get('id'))
+        if version_id is None:
+            return
+
+        self.version_index[version_id] = item
+
+    def remove_from_version_index(self, item: Dict) -> None:
+        """Remove a cache item from the version index if present."""
+
+        civitai_data = item.get('civitai') if isinstance(item, dict) else None
+        if not isinstance(civitai_data, dict):
+            return
+
+        version_id = self._normalize_version_id(civitai_data.get('id'))
+        if version_id is None:
+            return
+
+        existing = self.version_index.get(version_id)
+        if existing is item or (
+            isinstance(existing, dict)
+            and existing.get('file_path') == item.get('file_path')
+        ):
+            self.version_index.pop(version_id, None)
 
     async def resort(self):
         """Resort cached data according to last sort mode if set"""
@@ -41,6 +95,7 @@ class ModelCache:
 
             all_folders = set(l['folder'] for l in self.raw_data)
             self.folders = sorted(list(all_folders), key=lambda x: x.lower())
+            self.rebuild_version_index()
 
     def _sort_data(self, data: List[Dict], sort_key: str, order: str) -> List[Dict]:
         """Sort data by sort_key and order"""

py/services/model_file_service.py

@@ -6,7 +6,7 @@ from abc import ABC, abstractmethod
 
 from ..utils.utils import calculate_relative_path_for_model, remove_empty_dirs
 from ..utils.constants import AUTO_ORGANIZE_BATCH_SIZE
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 
 logger = logging.getLogger(__name__)
 
@@ -114,7 +114,8 @@ class ModelFileService:
                 raise ValueError('No model roots configured')
             
             # Check if flat structure is configured for this model type
-            path_template = settings.get_download_path_template(self.model_type)
+            settings_manager = get_settings_manager()
+            path_template = settings_manager.get_download_path_template(self.model_type)
             result.is_flat_structure = not path_template
             
             # Initialize tracking

py/services/model_metadata_provider.py

@@ -1,7 +1,7 @@
 from abc import ABC, abstractmethod
 import json
 import logging
-from typing import Optional, Dict, Tuple, Any
+from typing import Optional, Dict, Tuple, Any, List
 from .downloader import get_downloader
 
 try:
@@ -61,6 +61,11 @@ class ModelMetadataProvider(ABC):
         """Fetch model version metadata"""
         pass
 
+    @abstractmethod
+    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+        """Fetch models owned by the specified user"""
+        pass
+
 class CivitaiModelMetadataProvider(ModelMetadataProvider):
     """Provider that uses Civitai API for metadata"""
     
@@ -79,6 +84,9 @@ class CivitaiModelMetadataProvider(ModelMetadataProvider):
     async def get_model_version_info(self, version_id: str) -> Tuple[Optional[Dict], Optional[str]]:
         return await self.client.get_model_version_info(version_id)
 
+    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+        return await self.client.get_user_models(username)
+
 class CivArchiveModelMetadataProvider(ModelMetadataProvider):
     """Provider that uses CivArchive HTML page parsing for metadata"""
     
@@ -197,6 +205,10 @@ class CivArchiveModelMetadataProvider(ModelMetadataProvider):
         """Not supported by CivArchive provider - requires both model_id and version_id"""
         return None, "CivArchive provider requires both model_id and version_id"
 
+    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+        """Not supported by CivArchive provider"""
+        return None
+
 class SQLiteModelMetadataProvider(ModelMetadataProvider):
     """Provider that uses SQLite database for metadata"""
     
@@ -329,20 +341,24 @@ class SQLiteModelMetadataProvider(ModelMetadataProvider):
         """Fetch model version metadata from SQLite database"""
         async with self._aiosqlite.connect(self.db_path) as db:
             db.row_factory = self._aiosqlite.Row
-            
+
             # Get version details
             version_query = "SELECT model_id FROM model_versions WHERE id = ?"
             cursor = await db.execute(version_query, (version_id,))
             version_row = await cursor.fetchone()
-            
+
             if not version_row:
                 return None, "Model version not found"
-                
+
             model_id = version_row['model_id']
-            
+
             # Build complete version data with model info
             version_data = await self._get_version_with_model_data(db, model_id, version_id)
             return version_data, None
+
+    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+        """Listing models by username is not supported for archive database"""
+        return None
     
     async def _get_version_with_model_data(self, db, model_id, version_id) -> Optional[Dict]:
         """Helper to build version data with model information"""
@@ -389,6 +405,45 @@ class SQLiteModelMetadataProvider(ModelMetadataProvider):
             # Add any additional fields from version data
             result.update(version_data)
             
+            # Attach files associated with this version from model_files table
+            files_query = """
+                SELECT data
+                FROM model_files
+                WHERE version_id = ? AND type = 'Model'
+                ORDER BY id ASC
+            """
+            cursor = await db.execute(files_query, (version_id,))
+            file_rows = await cursor.fetchall()
+            
+            files = []
+            for file_row in file_rows:
+                try:
+                    file_data = json.loads(file_row['data'])
+                except json.JSONDecodeError:
+                    logger.warning(
+                        "Skipping model_files entry with invalid JSON for version_id %s", version_id
+                    )
+                    continue
+                # Remove 'modelId' and 'modelVersionId' fields if present
+                file_data.pop('modelId', None)
+                file_data.pop('modelVersionId', None)
+                files.append(file_data)
+            
+            if 'files' in result:
+                existing_files = result['files']
+                if isinstance(existing_files, list):
+                    existing_files.extend(files)
+                    result['files'] = existing_files
+                else:
+                    merged_files = files.copy()
+                    if existing_files:
+                        merged_files.insert(0, existing_files)
+                    result['files'] = merged_files
+            elif files:
+                result['files'] = files
+            else:
+                result['files'] = []
+            
             return result
         except json.JSONDecodeError:
             return None
@@ -442,6 +497,17 @@ class FallbackMetadataProvider(ModelMetadataProvider):
                 continue
         return None, "No provider could retrieve the data"
 
+    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+        for provider in self.providers:
+            try:
+                result = await provider.get_user_models(username)
+                if result is not None:
+                    return result
+            except Exception as e:
+                logger.debug(f"Provider failed for get_user_models: {e}")
+                continue
+        return None
+
 class ModelMetadataProviderManager:
     """Manager for selecting and using model metadata providers"""
     
@@ -483,6 +549,11 @@ class ModelMetadataProviderManager:
         """Fetch model version info using specified or default provider"""
         provider = self._get_provider(provider_name)
         return await provider.get_model_version_info(version_id)
+
+    async def get_user_models(self, username: str, provider_name: str = None) -> Optional[List[Dict]]:
+        """Fetch models owned by the specified user"""
+        provider = self._get_provider(provider_name)
+        return await provider.get_user_models(username)
         
     def _get_provider(self, provider_name: str = None) -> ModelMetadataProvider:
         """Get provider by name or default provider"""

py/services/model_scanner.py

@@ -4,7 +4,8 @@ import logging
 import asyncio
 import time
 import shutil
-from typing import List, Dict, Optional, Type, Set
+from dataclasses import dataclass
+from typing import Any, Awaitable, Callable, Dict, List, Mapping, Optional, Set, Type, Union
 
 from ..utils.models import BaseModelMetadata
 from ..config import config
@@ -16,9 +17,20 @@ from ..utils.constants import PREVIEW_EXTENSIONS
 from .model_lifecycle_service import delete_model_artifacts
 from .service_registry import ServiceRegistry
 from .websocket_manager import ws_manager
+from .persistent_model_cache import get_persistent_cache
 
 logger = logging.getLogger(__name__)
 
+
+@dataclass
+class CacheBuildResult:
+    """Represents the outcome of scanning model files for cache building."""
+
+    raw_data: List[Dict]
+    hash_index: ModelHashIndex
+    tags_count: Dict[str, int]
+    excluded_models: List[str]
+
 class ModelScanner:
     """Base service for scanning and managing model files"""
     
@@ -68,16 +80,123 @@ class ModelScanner:
         self._tags_count = {}  # Dictionary to store tag counts
         self._is_initializing = False  # Flag to track initialization state
         self._excluded_models = []  # List to track excluded models
+        self._persistent_cache = get_persistent_cache()
         self._initialized = True
-        
+
         # Register this service
         asyncio.create_task(self._register_service())
+
+    def on_library_changed(self) -> None:
+        """Reset caches when the active library changes."""
+        self._persistent_cache = get_persistent_cache()
+        self._cache = None
+        self._hash_index = ModelHashIndex()
+        self._tags_count = {}
+        self._excluded_models = []
+        self._is_initializing = False
+
+        try:
+            loop = asyncio.get_running_loop()
+        except RuntimeError:
+            loop = None
+
+        if loop and not loop.is_closed():
+            loop.create_task(self.initialize_in_background())
     
     async def _register_service(self):
         """Register this instance with the ServiceRegistry"""
         service_name = f"{self.model_type}_scanner"
         await ServiceRegistry.register_service(service_name, self)
 
+    def _slim_civitai_payload(self, civitai: Optional[Mapping[str, Any]]) -> Optional[Dict[str, Any]]:
+        """Return a lightweight civitai payload containing only frequently used keys."""
+        if not isinstance(civitai, Mapping) or not civitai:
+            return None
+
+        slim: Dict[str, Any] = {}
+        for key in ('id', 'modelId', 'name'):
+            value = civitai.get(key)
+            if value not in (None, '', []):
+                slim[key] = value
+
+        trained_words = civitai.get('trainedWords')
+        if trained_words:
+            slim['trainedWords'] = list(trained_words) if isinstance(trained_words, list) else trained_words
+
+        return slim or None
+
+    def _build_cache_entry(
+        self,
+        source: Union[BaseModelMetadata, Mapping[str, Any]],
+        *,
+        folder: Optional[str] = None,
+        file_path_override: Optional[str] = None
+    ) -> Dict[str, Any]:
+        """Project metadata into the lightweight cache representation."""
+        is_mapping = isinstance(source, Mapping)
+
+        def get_value(key: str, default: Any = None) -> Any:
+            if is_mapping:
+                return source.get(key, default)
+            return getattr(source, key, default)
+
+        file_path = file_path_override or get_value('file_path', '') or ''
+        normalized_path = file_path.replace('\\', '/')
+
+        folder_value = folder if folder is not None else get_value('folder', '') or ''
+        normalized_folder = folder_value.replace('\\', '/')
+
+        tags_value = get_value('tags') or []
+        if isinstance(tags_value, list):
+            tags_list = list(tags_value)
+        elif isinstance(tags_value, (set, tuple)):
+            tags_list = list(tags_value)
+        else:
+            tags_list = []
+
+        preview_url = get_value('preview_url', '') or ''
+        if isinstance(preview_url, str):
+            preview_url = preview_url.replace('\\', '/')
+        else:
+            preview_url = ''
+
+        civitai_slim = self._slim_civitai_payload(get_value('civitai'))
+        usage_tips = get_value('usage_tips', '') or ''
+        if not isinstance(usage_tips, str):
+            usage_tips = str(usage_tips)
+        notes = get_value('notes', '') or ''
+        if not isinstance(notes, str):
+            notes = str(notes)
+
+        entry: Dict[str, Any] = {
+            'file_path': normalized_path,
+            'file_name': get_value('file_name', '') or '',
+            'model_name': get_value('model_name', '') or '',
+            'folder': normalized_folder,
+            'size': int(get_value('size', 0) or 0),
+            'modified': float(get_value('modified', 0.0) or 0.0),
+            'sha256': (get_value('sha256', '') or '').lower(),
+            'base_model': get_value('base_model', '') or '',
+            'preview_url': preview_url,
+            'preview_nsfw_level': int(get_value('preview_nsfw_level', 0) or 0),
+            'from_civitai': bool(get_value('from_civitai', True)),
+            'favorite': bool(get_value('favorite', False)),
+            'notes': notes,
+            'usage_tips': usage_tips,
+            'exclude': bool(get_value('exclude', False)),
+            'db_checked': bool(get_value('db_checked', False)),
+            'last_checked_at': float(get_value('last_checked_at', 0.0) or 0.0),
+            'tags': tags_list,
+            'civitai': civitai_slim,
+            'civitai_deleted': bool(get_value('civitai_deleted', False)),
+        }
+
+        model_type = get_value('model_type', None)
+        if model_type:
+            entry['model_type'] = model_type
+
+        return entry
+
     async def initialize_in_background(self) -> None:
         """Initialize cache in background using thread pool"""
         try:
@@ -92,7 +211,12 @@ class ModelScanner:
             self._is_initializing = True
             
             # Determine the page type based on model type
-            page_type = 'loras' if self.model_type == 'lora' else 'checkpoints'
+            page_type_map = {
+                'lora': 'loras',
+                'checkpoint': 'checkpoints',
+                'embedding': 'embeddings'
+            }
+            page_type = page_type_map.get(self.model_type, self.model_type)
             
             # First, try to load from cache
             await ws_manager.broadcast_init_progress({
@@ -102,8 +226,25 @@ class ModelScanner:
                 'scanner_type': self.model_type,
                 'pageType': page_type
             })
-                
-            # If cache loading failed, proceed with full scan
+
+            cache_loaded = await self._load_persisted_cache(page_type)
+
+            if cache_loaded:
+                await asyncio.sleep(0)  # Yield control so the UI can process the cache hydration update
+                await ws_manager.broadcast_init_progress({
+                    'stage': 'finalizing',
+                    'progress': 100,
+                    'status': 'complete',
+                    'details': f"Loaded {len(self._cache.raw_data)} cached {self.model_type} files from disk.",
+                    'scanner_type': self.model_type,
+                    'pageType': page_type
+                })
+                logger.info(
+                    f"{self.model_type.capitalize()} cache hydrated from persisted snapshot with {len(self._cache.raw_data)} models"
+                )
+                return
+
+            # Persistent load failed; fall back to a full scan
             await ws_manager.broadcast_init_progress({
                 'stage': 'scan_folders',
                 'progress': 0,
@@ -130,13 +271,17 @@ class ModelScanner:
             start_time = time.time()
             
             # Use thread pool to execute CPU-intensive operations with progress reporting
-            await loop.run_in_executor(
+            scan_result: Optional[CacheBuildResult] = await loop.run_in_executor(
                 None,  # Use default thread pool
                 self._initialize_cache_sync,  # Run synchronous version in thread
                 total_files,  # Pass the total file count for progress reporting
                 page_type  # Pass the page type for progress reporting
             )
-            
+
+            if scan_result:
+                await self._apply_scan_result(scan_result)
+                await self._save_persistent_cache(scan_result)
+
             # Send final progress update
             await ws_manager.broadcast_init_progress({
                 'stage': 'finalizing',
@@ -165,6 +310,105 @@ class ModelScanner:
             # Always clear the initializing flag when done
             self._is_initializing = False
     
+    async def _load_persisted_cache(self, page_type: str) -> bool:
+        """Attempt to hydrate the in-memory cache from the SQLite snapshot."""
+        if not getattr(self, '_persistent_cache', None):
+            return False
+
+        loop = asyncio.get_event_loop()
+        try:
+            persisted = await loop.run_in_executor(
+                None,
+                self._persistent_cache.load_cache,
+                self.model_type
+            )
+        except FileNotFoundError:
+            return False
+        except Exception as exc:
+            logger.debug("%s Scanner: Could not load persisted cache: %s", self.model_type.capitalize(), exc)
+            return False
+
+        if not persisted or not persisted.raw_data:
+            return False
+
+        hash_index = ModelHashIndex()
+        for sha_value, path in persisted.hash_rows:
+            if sha_value and path:
+                hash_index.add_entry(sha_value.lower(), path)
+
+        tags_count: Dict[str, int] = {}
+        for item in persisted.raw_data:
+            for tag in item.get('tags') or []:
+                tags_count[tag] = tags_count.get(tag, 0) + 1
+
+        scan_result = CacheBuildResult(
+            raw_data=list(persisted.raw_data),
+            hash_index=hash_index,
+            tags_count=tags_count,
+            excluded_models=list(persisted.excluded_models)
+        )
+
+        await self._apply_scan_result(scan_result)
+
+        await ws_manager.broadcast_init_progress({
+            'stage': 'loading_cache',
+            'progress': 1,
+            'details': f"Loaded cached {self.model_type} data from disk",
+            'scanner_type': self.model_type,
+            'pageType': page_type
+        })
+        return True
+
+    async def _save_persistent_cache(self, scan_result: CacheBuildResult) -> None:
+        if not scan_result or not getattr(self, '_persistent_cache', None):
+            return
+
+        hash_snapshot = self._build_hash_index_snapshot(scan_result.hash_index)
+        loop = asyncio.get_event_loop()
+        try:
+            await loop.run_in_executor(
+                None,
+                self._persistent_cache.save_cache,
+                self.model_type,
+                list(scan_result.raw_data),
+                hash_snapshot,
+                list(scan_result.excluded_models)
+            )
+        except Exception as exc:
+            logger.warning("%s Scanner: Failed to persist cache: %s", self.model_type.capitalize(), exc)
+
+    def _build_hash_index_snapshot(self, hash_index: Optional[ModelHashIndex]) -> Dict[str, List[str]]:
+        snapshot: Dict[str, List[str]] = {}
+        if not hash_index:
+            return snapshot
+
+        for sha_value, path in getattr(hash_index, '_hash_to_path', {}).items():
+            if not sha_value or not path:
+                continue
+            bucket = snapshot.setdefault(sha_value.lower(), [])
+            if path not in bucket:
+                bucket.append(path)
+
+        for sha_value, paths in getattr(hash_index, '_duplicate_hashes', {}).items():
+            if not sha_value:
+                continue
+            bucket = snapshot.setdefault(sha_value.lower(), [])
+            for path in paths:
+                if path and path not in bucket:
+                    bucket.append(path)
+        return snapshot
+
+    async def _persist_current_cache(self) -> None:
+        if self._cache is None or not getattr(self, '_persistent_cache', None):
+            return
+
+        snapshot = CacheBuildResult(
+            raw_data=list(self._cache.raw_data),
+            hash_index=self._hash_index,
+            tags_count=dict(self._tags_count),
+            excluded_models=list(self._excluded_models)
+        )
+        await self._save_persistent_cache(snapshot)
     def _count_model_files(self) -> int:
         """Count all model files with supported extensions in all roots
         
@@ -204,124 +448,53 @@ class ModelScanner:
         
         return total_files
     
-    def _initialize_cache_sync(self, total_files=0, page_type='loras'):
+    def _initialize_cache_sync(self, total_files: int = 0, page_type: str = 'loras') -> Optional[CacheBuildResult]:
         """Synchronous version of cache initialization for thread pool execution"""
+
+        loop = asyncio.new_event_loop()
         try:
-            # Create a new event loop for this thread
-            loop = asyncio.new_event_loop()
             asyncio.set_event_loop(loop)
-            
-            # Create a synchronous method to bypass the async lock
-            def sync_initialize_cache():
-                # Track progress
-                processed_files = 0
-                last_progress_time = time.time()
-                last_progress_percent = 0
-                
-                # We need a wrapper around scan_all_models to track progress
-                # This is a local function that will run in our thread's event loop
-                async def scan_with_progress():
-                    nonlocal processed_files, last_progress_time, last_progress_percent
-                    
-                    # For storing raw model data
-                    all_models = []
-                    
-                    # Process each model root
-                    for root_path in self.get_model_roots():
-                        if not os.path.exists(root_path):
-                            continue
-                            
-                        # Track visited paths to avoid symlink loops
-                        visited_paths = set()
-                        
-                        # Recursively process directory
-                        async def scan_dir_with_progress(path):
-                            nonlocal processed_files, last_progress_time, last_progress_percent
-                            
-                            try:
-                                real_path = os.path.realpath(path)
-                                if real_path in visited_paths:
-                                    return
-                                visited_paths.add(real_path)
-                                
-                                with os.scandir(path) as it:
-                                    entries = list(it)
-                                    for entry in entries:
-                                        try:
-                                            if entry.is_file(follow_symlinks=True):
-                                                ext = os.path.splitext(entry.name)[1].lower()
-                                                if ext in self.file_extensions:
-                                                    file_path = entry.path.replace(os.sep, "/")
-                                                    result = await self._process_model_file(file_path, root_path)
-                                                    if result:
-                                                        all_models.append(result)
-                                                    
-                                                    # Update progress counter
-                                                    processed_files += 1
-                                                    
-                                                    # Update progress periodically (not every file to avoid excessive updates)
-                                                    current_time = time.time()
-                                                    if total_files > 0 and (current_time - last_progress_time > 0.5 or processed_files == total_files):
-                                                        # Adjusted progress calculation
-                                                        progress_percent = min(99, int(1 + (processed_files / total_files) * 98))
-                                                        if progress_percent > last_progress_percent:
-                                                            last_progress_percent = progress_percent
-                                                            last_progress_time = current_time
-                                                            
-                                                            # Send progress update through websocket
-                                                            await ws_manager.broadcast_init_progress({
-                                                                'stage': 'process_models',
-                                                                'progress': progress_percent,
-                                                                'details': f"Processing {self.model_type} files: {processed_files}/{total_files}",
-                                                                'scanner_type': self.model_type,
-                                                                'pageType': page_type
-                                                            })
-                                            
-                                            elif entry.is_dir(follow_symlinks=True):
-                                                await scan_dir_with_progress(entry.path)
-                                                
-                                        except Exception as e:
-                                            logger.error(f"Error processing entry {entry.path}: {e}")
-                            except Exception as e:
-                                logger.error(f"Error scanning {path}: {e}")
-                        
-                        # Process the root path
-                        await scan_dir_with_progress(root_path)
-                    
-                    return all_models
-                
-                # Run the progress-tracking scan function
-                raw_data = loop.run_until_complete(scan_with_progress())
-                
-                # Update hash index and tags count
-                for model_data in raw_data:
-                    if 'sha256' in model_data and 'file_path' in model_data:
-                        self._hash_index.add_entry(model_data['sha256'].lower(), model_data['file_path'])
-                    
-                    # Count tags
-                    if 'tags' in model_data and model_data['tags']:
-                        for tag in model_data['tags']:
-                            self._tags_count[tag] = self._tags_count.get(tag, 0) + 1
-                
-                # Log duplicate filename warnings after building the index
-                # duplicate_filenames = self._hash_index.get_duplicate_filenames()
-                # if duplicate_filenames:
-                #     logger.warning(f"Found {len(duplicate_filenames)} filename(s) with duplicates during {self.model_type} cache build:")
-                #     for filename, paths in duplicate_filenames.items():
-                #         logger.warning(f"  Duplicate filename '{filename}': {paths}")
-                
-                # Update cache
-                self._cache.raw_data = raw_data
-                loop.run_until_complete(self._cache.resort())
-                
-                return self._cache
-            
-            # Run our sync initialization that avoids lock conflicts
-            return sync_initialize_cache()
+
+            last_progress_time = time.time()
+            last_progress_percent = 0
+
+            async def progress_callback(processed_files: int, expected_total: int) -> None:
+                nonlocal last_progress_time, last_progress_percent
+
+                if expected_total <= 0:
+                    return
+
+                current_time = time.time()
+                progress_percent = min(99, int(1 + (processed_files / expected_total) * 98))
+
+                if progress_percent <= last_progress_percent:
+                    return
+
+                if current_time - last_progress_time <= 0.5 and processed_files != expected_total:
+                    return
+
+                last_progress_percent = progress_percent
+                last_progress_time = current_time
+
+                await ws_manager.broadcast_init_progress({
+                    'stage': 'process_models',
+                    'progress': progress_percent,
+                    'details': f"Processing {self.model_type} files: {processed_files}/{expected_total}",
+                    'scanner_type': self.model_type,
+                    'pageType': page_type
+                })
+
+            return loop.run_until_complete(
+                self._gather_model_data(
+                    total_files=total_files,
+                    progress_callback=progress_callback
+                )
+            )
         except Exception as e:
             logger.error(f"Error in thread-based {self.model_type} cache initialization: {e}")
+            return None
         finally:
-            # Clean up the event loop
+            asyncio.set_event_loop(None)
             loop.close()
 
     async def get_cached_data(self, force_refresh: bool = False, rebuild_cache: bool = False) -> ModelCache:
@@ -353,45 +526,16 @@ class ModelScanner:
         self._is_initializing = True  # Set flag
         try:
             start_time = time.time()
-            # Clear existing hash index
-            self._hash_index.clear()
-            
-            # Clear existing tags count
-            self._tags_count = {}
-            
             # Determine the page type based on model type
-            page_type = 'loras' if self.model_type == 'lora' else 'checkpoints'
-            
             # Scan for new data
-            raw_data = await self.scan_all_models()
-            
-            # Build hash index and tags count
-            for model_data in raw_data:
-                if 'sha256' in model_data and 'file_path' in model_data:
-                    self._hash_index.add_entry(model_data['sha256'].lower(), model_data['file_path'])
-                
-                # Count tags
-                if 'tags' in model_data and model_data['tags']:
-                    for tag in model_data['tags']:
-                        self._tags_count[tag] = self._tags_count.get(tag, 0) + 1
-            
-            # Log duplicate filename warnings after building the index
-            # duplicate_filenames = self._hash_index.get_duplicate_filenames()
-            # if duplicate_filenames:
-            #     logger.warning(f"Found {len(duplicate_filenames)} filename(s) with duplicates during {self.model_type} cache build:")
-            #     for filename, paths in duplicate_filenames.items():
-            #         logger.warning(f"  Duplicate filename '{filename}': {paths}")
-            
-            # Update cache
-            self._cache = ModelCache(
-                raw_data=raw_data,
-                folders=[]
-            )
-            
-            # Resort cache
-            await self._cache.resort()
+            scan_result = await self._gather_model_data()
+            await self._apply_scan_result(scan_result)
+            await self._save_persistent_cache(scan_result)
 
-            logger.info(f"{self.model_type.capitalize()} Scanner: Cache initialization completed in {time.time() - start_time:.2f} seconds, found {len(raw_data)} models")
+            logger.info(
+                f"{self.model_type.capitalize()} Scanner: Cache initialization completed in {time.time() - start_time:.2f} seconds, "
+                f"found {len(scan_result.raw_data)} models"
+            )
         except Exception as e:
             logger.error(f"{self.model_type.capitalize()} Scanner: Error initializing cache: {e}")
             # Ensure cache is at least an empty structure on error
@@ -476,8 +620,12 @@ class ModelScanner:
                         try:
                             # Find the appropriate root path for this file
                             root_path = None
-                            for potential_root in self.get_model_roots():
-                                if path.startswith(potential_root):
+                            model_roots = self.get_model_roots()
+                            for potential_root in model_roots:
+                                # Normalize both paths for comparison
+                                normalized_path = os.path.normpath(path)
+                                normalized_root = os.path.normpath(potential_root)
+                                if normalized_path.startswith(normalized_root):
                                     root_path = potential_root
                                     break
                             
@@ -486,7 +634,8 @@ class ModelScanner:
                                 if model_data:
                                     # Add to cache
                                     self._cache.raw_data.append(model_data)
-                                    
+                                    self._cache.add_to_version_index(model_data)
+
                                     # Update hash index if available
                                     if 'sha256' in model_data and 'file_path' in model_data:
                                         self._hash_index.add_entry(model_data['sha256'].lower(), model_data['file_path'])
@@ -513,7 +662,9 @@ class ModelScanner:
                 for path in missing_files:
                     try:
                         model_to_remove = path_to_item[path]
-                        
+
+                        self._cache.remove_from_version_index(model_to_remove)
+
                         # Update tags count
                         for tag in model_to_remove.get('tags', []):
                             if tag in self._tags_count:
@@ -535,70 +686,19 @@ class ModelScanner:
                 # Update folders list
                 all_folders = set(item.get('folder', '') for item in self._cache.raw_data)
                 self._cache.folders = sorted(list(all_folders), key=lambda x: x.lower())
-                
+
+                self._cache.rebuild_version_index()
+
                 # Resort cache
                 await self._cache.resort()
+
+                await self._persist_current_cache()
                 
             logger.info(f"{self.model_type.capitalize()} Scanner: Cache reconciliation completed in {time.time() - start_time:.2f} seconds. Added {total_added}, removed {total_removed} models.")
         except Exception as e:
             logger.error(f"{self.model_type.capitalize()} Scanner: Error reconciling cache: {e}", exc_info=True)
         finally:
             self._is_initializing = False # Unset flag
-
-    async def scan_all_models(self) -> List[Dict]:
-        """Scan all model directories and return metadata"""
-        all_models = []
-        
-        # Create scan tasks for each directory
-        scan_tasks = []
-        for model_root in self.get_model_roots():
-            task = asyncio.create_task(self._scan_directory(model_root))
-            scan_tasks.append(task)
-            
-        # Wait for all tasks to complete
-        for task in scan_tasks:
-            try:
-                models = await task
-                all_models.extend(models)
-            except Exception as e:
-                logger.error(f"Error scanning directory: {e}")
-                
-        return all_models
-    
-    async def _scan_directory(self, root_path: str) -> List[Dict]:
-        """Scan a single directory for model files"""
-        models = []
-        original_root = root_path  # Save original root path
-
-        async def scan_recursive(path: str, visited_paths: set):
-            """Recursively scan directory, avoiding circular symlinks"""
-            try:
-                real_path = os.path.realpath(path)
-                if real_path in visited_paths:
-                    logger.debug(f"Skipping already visited path: {path}")
-                    return
-                visited_paths.add(real_path)
-
-                with os.scandir(path) as it:
-                    entries = list(it)
-                    for entry in entries:
-                        try:
-                            if entry.is_file(follow_symlinks=True) and any(entry.name.endswith(ext) for ext in self.file_extensions):
-                                file_path = entry.path.replace(os.sep, "/")
-                                result = await self._process_model_file(file_path, original_root)
-                                # Only add to models if result is not None (skip corrupted metadata)
-                                if result:
-                                    models.append(result)
-                                await asyncio.sleep(0)
-                            elif entry.is_dir(follow_symlinks=True):
-                                await scan_recursive(entry.path, visited_paths)
-                        except Exception as e:
-                            logger.error(f"Error processing entry {entry.path}: {e}")
-            except Exception as e:
-                logger.error(f"Error scanning {path}: {e}")
-
-        await scan_recursive(root_path, set())
-        return models
     
     def is_initializing(self) -> bool:
         """Check if the scanner is currently initializing"""
@@ -624,8 +724,18 @@ class ModelScanner:
         """Hook for subclasses: adjust metadata during scanning"""
         return metadata
 
-    async def _process_model_file(self, file_path: str, root_path: str) -> Dict:
+    async def _process_model_file(
+        self,
+        file_path: str,
+        root_path: str,
+        *,
+        hash_index: Optional[ModelHashIndex] = None,
+        excluded_models: Optional[List[str]] = None
+    ) -> Dict:
         """Process a single model file and return its metadata"""
+        hash_index = hash_index or self._hash_index
+        excluded_models = excluded_models if excluded_models is not None else self._excluded_models
+
         metadata, should_skip = await MetadataManager.load_metadata(file_path, self.model_class)
     
         if should_skip:
@@ -685,30 +795,136 @@ class ModelScanner:
         # Hook: allow subclasses to adjust metadata
         metadata = self.adjust_metadata(metadata, file_path, root_path)
         
-        model_data = metadata.to_dict()
-        
-        # Skip excluded models
-        if model_data.get('exclude', False):
-            self._excluded_models.append(model_data['file_path'])
-            return None
-        
-        # Check for duplicate filename before adding to hash index
-        filename = os.path.splitext(os.path.basename(file_path))[0]
-        existing_hash = self._hash_index.get_hash_by_filename(filename)
-        if existing_hash and existing_hash != model_data.get('sha256', '').lower():
-            existing_path = self._hash_index.get_path(existing_hash)
-            if existing_path and existing_path != file_path:
-                logger.warning(f"Duplicate filename detected: '{filename}' - files: '{existing_path}' and '{file_path}'")
-
         rel_path = os.path.relpath(file_path, root_path)
         folder = os.path.dirname(rel_path)
-        model_data['folder'] = folder.replace(os.path.sep, '/')
-        
+        normalized_folder = folder.replace(os.path.sep, '/')
+
+        model_data = self._build_cache_entry(metadata, folder=normalized_folder)
+
+        # Skip excluded models
+        if model_data.get('exclude', False):
+            excluded_models.append(model_data['file_path'])
+            return None
+
+        # Check for duplicate filename before adding to hash index
+        # filename = os.path.splitext(os.path.basename(file_path))[0]
+        # existing_hash = hash_index.get_hash_by_filename(filename)
+        # if existing_hash and existing_hash != model_data.get('sha256', '').lower():
+        #     existing_path = hash_index.get_path(existing_hash)
+        #     if existing_path and existing_path != file_path:
+        #         logger.warning(f"Duplicate filename detected: '{filename}' - files: '{existing_path}' and '{file_path}'")
+
         return model_data
 
+    async def _apply_scan_result(self, scan_result: CacheBuildResult) -> None:
+        """Apply scan results to the cache and associated indexes."""
+
+        if scan_result is None:
+            return
+
+        self._hash_index = scan_result.hash_index
+        self._tags_count = dict(scan_result.tags_count)
+        self._excluded_models = list(scan_result.excluded_models)
+
+        if self._cache is None:
+            self._cache = ModelCache(
+                raw_data=list(scan_result.raw_data),
+                folders=[]
+            )
+        else:
+            self._cache.raw_data = list(scan_result.raw_data)
+
+        self._cache.rebuild_version_index()
+
+        await self._cache.resort()
+
+    async def _gather_model_data(
+        self,
+        *,
+        total_files: int = 0,
+        progress_callback: Optional[Callable[[int, int], Awaitable[None]]] = None
+    ) -> CacheBuildResult:
+        """Collect metadata for all model files."""
+
+        raw_data: List[Dict] = []
+        hash_index = ModelHashIndex()
+        tags_count: Dict[str, int] = {}
+        excluded_models: List[str] = []
+        processed_files = 0
+
+        async def handle_progress() -> None:
+            if progress_callback is None:
+                return
+            try:
+                await progress_callback(processed_files, total_files)
+            except Exception as exc:  # pragma: no cover - defensive logging
+                logger.error(f"Error reporting progress for {self.model_type}: {exc}")
+
+        async def scan_recursive(current_path: str, root_path: str, visited_paths: Set[str]) -> None:
+            nonlocal processed_files
+
+            try:
+                real_path = os.path.realpath(current_path)
+                if real_path in visited_paths:
+                    return
+                visited_paths.add(real_path)
+
+                with os.scandir(current_path) as iterator:
+                    entries = list(iterator)
+
+                for entry in entries:
+                    try:
+                        if entry.is_file(follow_symlinks=True):
+                            ext = os.path.splitext(entry.name)[1].lower()
+                            if ext not in self.file_extensions:
+                                continue
+
+                            file_path = entry.path.replace(os.sep, "/")
+                            result = await self._process_model_file(
+                                file_path,
+                                root_path,
+                                hash_index=hash_index,
+                                excluded_models=excluded_models
+                            )
+
+                            processed_files += 1
+
+                            if result:
+                                raw_data.append(result)
+
+                                sha_value = result.get('sha256')
+                                model_path = result.get('file_path')
+                                if sha_value and model_path:
+                                    hash_index.add_entry(sha_value.lower(), model_path)
+
+                                for tag in result.get('tags') or []:
+                                    tags_count[tag] = tags_count.get(tag, 0) + 1
+
+                            await handle_progress()
+                            await asyncio.sleep(0)
+                        elif entry.is_dir(follow_symlinks=True):
+                            await scan_recursive(entry.path, root_path, visited_paths)
+                    except Exception as entry_error:
+                        logger.error(f"Error processing entry {entry.path}: {entry_error}")
+            except Exception as scan_error:
+                logger.error(f"Error scanning {current_path}: {scan_error}")
+
+        for model_root in self.get_model_roots():
+            if not os.path.exists(model_root):
+                continue
+
+            await scan_recursive(model_root, model_root, set())
+
+        return CacheBuildResult(
+            raw_data=raw_data,
+            hash_index=hash_index,
+            tags_count=tags_count,
+            excluded_models=excluded_models
+        )
+
     async def add_model_to_cache(self, metadata_dict: Dict, folder: str = '') -> bool:
         """Add a model to the cache
-        
+
         Args:
             metadata_dict: The model metadata dictionary
             folder: The relative folder path for the model
@@ -725,7 +941,8 @@ class ModelScanner:
             
             # Add to cache
             self._cache.raw_data.append(metadata_dict)
-            
+            self._cache.add_to_version_index(metadata_dict)
+
             # Resort cache data
             await self._cache.resort()
             
@@ -736,6 +953,7 @@ class ModelScanner:
             
             # Update the hash index
             self._hash_index.add_entry(metadata_dict['sha256'], metadata_dict['file_path'])
+            await self._persist_current_cache()
             return True
         except Exception as e:
             logger.error(f"Error adding model to cache: {e}")
@@ -864,8 +1082,11 @@ class ModelScanner:
     async def update_single_model_cache(self, original_path: str, new_path: str, metadata: Dict) -> bool:
         """Update cache after a model has been moved or modified"""
         cache = await self.get_cached_data()
-        
+
         existing_item = next((item for item in cache.raw_data if item['file_path'] == original_path), None)
+        if existing_item:
+            cache.remove_from_version_index(existing_item)
+
         if existing_item and 'tags' in existing_item:
             for tag in existing_item.get('tags', []):
                 if tag in self._tags_count:
@@ -876,35 +1097,45 @@ class ModelScanner:
         self._hash_index.remove_by_path(original_path)
         
         cache.raw_data = [
-            item for item in cache.raw_data 
+            item for item in cache.raw_data
             if item['file_path'] != original_path
         ]
-        
+
+        cache_modified = bool(existing_item) or bool(metadata)
+
         if metadata:
-            if original_path == new_path:
-                existing_folder = next((item['folder'] for item in cache.raw_data 
-                                      if item['file_path'] == original_path), None)
-                if existing_folder:
-                    metadata['folder'] = existing_folder
-                else:
-                    metadata['folder'] = self._calculate_folder(new_path)
+            normalized_new_path = new_path.replace(os.sep, '/')
+            if original_path == new_path and existing_item:
+                folder_value = existing_item.get('folder', self._calculate_folder(new_path))
             else:
-                metadata['folder'] = self._calculate_folder(new_path)
-            
-            cache.raw_data.append(metadata)
-            
-            if 'sha256' in metadata:
-                self._hash_index.add_entry(metadata['sha256'].lower(), new_path)
-            
+                folder_value = self._calculate_folder(new_path)
+
+            cache_entry = self._build_cache_entry(
+                metadata,
+                folder=folder_value,
+                file_path_override=normalized_new_path,
+            )
+
+            cache.raw_data.append(cache_entry)
+            cache.add_to_version_index(cache_entry)
+
+            sha_value = cache_entry.get('sha256')
+            if sha_value:
+                self._hash_index.add_entry(sha_value.lower(), normalized_new_path)
+
             all_folders = set(item['folder'] for item in cache.raw_data)
             cache.folders = sorted(list(all_folders), key=lambda x: x.lower())
-            
-            if 'tags' in metadata:
-                for tag in metadata.get('tags', []):
-                    self._tags_count[tag] = self._tags_count.get(tag, 0) + 1
-        
+
+            for tag in cache_entry.get('tags', []):
+                self._tags_count[tag] = self._tags_count.get(tag, 0) + 1
+
+        cache.rebuild_version_index()
+
         await cache.resort()
-        
+
+        if cache_modified:
+            await self._persist_current_cache()
+
         return True
         
     def has_hash(self, sha256: str) -> bool:
@@ -1006,7 +1237,10 @@ class ModelScanner:
         if self._cache is None:
             return False
 
-        return await self._cache.update_preview_url(file_path, preview_url, preview_nsfw_level)
+        updated = await self._cache.update_preview_url(file_path, preview_url, preview_nsfw_level)
+        if updated:
+            await self._persist_current_cache()
+        return updated
 
     async def bulk_delete_models(self, file_paths: List[str]) -> Dict:
         """Delete multiple models and update cache in a batch operation
@@ -1119,11 +1353,12 @@ class ModelScanner:
             # Update hash index
             for model in models_to_remove:
                 file_path = model['file_path']
+                self._cache.remove_from_version_index(model)
                 if hasattr(self, '_hash_index') and self._hash_index:
                     # Get the hash and filename before removal for duplicate checking
                     file_name = os.path.splitext(os.path.basename(file_path))[0]
                     hash_val = model.get('sha256', '').lower()
-                    
+
                     # Remove from hash index
                     self._hash_index.remove_by_path(file_path, hash_val)
                     
@@ -1132,10 +1367,13 @@ class ModelScanner:
             
             # Update cache data
             self._cache.raw_data = [item for item in self._cache.raw_data if item['file_path'] not in file_paths]
-            
+
             # Resort cache
+            self._cache.rebuild_version_index()
             await self._cache.resort()
-            
+
+            await self._persist_current_cache()
+
             return True
             
         except Exception as e:
@@ -1171,16 +1409,17 @@ class ModelScanner:
         Returns:
             bool: True if the model version exists, False otherwise
         """
+        try:
+            normalized_id = int(model_version_id)
+        except (TypeError, ValueError):
+            return False
+
         try:
             cache = await self.get_cached_data()
-            if not cache or not cache.raw_data:
+            if not cache:
                 return False
 
-            for item in cache.raw_data:
-                if item.get('civitai') and item['civitai'].get('id') == model_version_id:
-                    return True
-
-            return False
+            return normalized_id in cache.version_index
         except Exception as e:
             logger.error(f"Error checking model version existence: {e}")
             return False

py/services/persistent_model_cache.py

@@ -0,0 +1,357 @@
+import json
+import logging
+import os
+import re
+import sqlite3
+import threading
+from dataclasses import dataclass
+from typing import Dict, List, Optional, Sequence, Tuple
+
+from ..utils.settings_paths import get_settings_dir
+
+logger = logging.getLogger(__name__)
+
+
+@dataclass
+class PersistedCacheData:
+    """Lightweight structure returned by the persistent cache."""
+
+    raw_data: List[Dict]
+    hash_rows: List[Tuple[str, str]]
+    excluded_models: List[str]
+
+
+class PersistentModelCache:
+    """Persist core model metadata and hash index data in SQLite."""
+
+    _DEFAULT_FILENAME = "model_cache.sqlite"
+    _instances: Dict[str, "PersistentModelCache"] = {}
+    _instance_lock = threading.Lock()
+
+    def __init__(self, library_name: str = "default", db_path: Optional[str] = None) -> None:
+        self._library_name = library_name or "default"
+        self._db_path = db_path or self._resolve_default_path(self._library_name)
+        self._db_lock = threading.Lock()
+        self._schema_initialized = False
+        try:
+            directory = os.path.dirname(self._db_path)
+            if directory:
+                os.makedirs(directory, exist_ok=True)
+        except Exception as exc:  # pragma: no cover - defensive guard
+            logger.warning("Could not create cache directory %s: %s", directory, exc)
+        if self.is_enabled():
+            self._initialize_schema()
+
+    @classmethod
+    def get_default(cls, library_name: Optional[str] = None) -> "PersistentModelCache":
+        name = (library_name or "default")
+        with cls._instance_lock:
+            if name not in cls._instances:
+                cls._instances[name] = cls(name)
+            return cls._instances[name]
+
+    def is_enabled(self) -> bool:
+        return os.environ.get("LORA_MANAGER_DISABLE_PERSISTENT_CACHE", "0") != "1"
+
+    def load_cache(self, model_type: str) -> Optional[PersistedCacheData]:
+        if not self.is_enabled():
+            return None
+        if not self._schema_initialized:
+            self._initialize_schema()
+        if not self._schema_initialized:
+            return None
+        try:
+            with self._db_lock:
+                conn = self._connect(readonly=True)
+                try:
+                    rows = conn.execute(
+                        "SELECT file_path, file_name, model_name, folder, size, modified, sha256, base_model,"
+                        " preview_url, preview_nsfw_level, from_civitai, favorite, notes, usage_tips,"
+                        " civitai_id, civitai_model_id, civitai_name, trained_words, exclude, db_checked,"
+                        " last_checked_at"
+                        " FROM models WHERE model_type = ?",
+                        (model_type,),
+                    ).fetchall()
+
+                    if not rows:
+                        return None
+
+                    tags = self._load_tags(conn, model_type)
+                    hash_rows = conn.execute(
+                        "SELECT sha256, file_path FROM hash_index WHERE model_type = ?",
+                        (model_type,),
+                    ).fetchall()
+                    excluded = conn.execute(
+                        "SELECT file_path FROM excluded_models WHERE model_type = ?",
+                        (model_type,),
+                    ).fetchall()
+                finally:
+                    conn.close()
+        except Exception as exc:
+            logger.warning("Failed to load persisted cache for %s: %s", model_type, exc)
+            return None
+
+        raw_data: List[Dict] = []
+        for row in rows:
+            file_path: str = row["file_path"]
+            trained_words = []
+            if row["trained_words"]:
+                try:
+                    trained_words = json.loads(row["trained_words"])
+                except json.JSONDecodeError:
+                    trained_words = []
+
+            civitai: Optional[Dict] = None
+            if any(row[col] is not None for col in ("civitai_id", "civitai_model_id", "civitai_name")):
+                civitai = {}
+                if row["civitai_id"] is not None:
+                    civitai["id"] = row["civitai_id"]
+                if row["civitai_model_id"] is not None:
+                    civitai["modelId"] = row["civitai_model_id"]
+                if row["civitai_name"]:
+                    civitai["name"] = row["civitai_name"]
+                if trained_words:
+                    civitai["trainedWords"] = trained_words
+
+            item = {
+                "file_path": file_path,
+                "file_name": row["file_name"],
+                "model_name": row["model_name"],
+                "folder": row["folder"] or "",
+                "size": row["size"] or 0,
+                "modified": row["modified"] or 0.0,
+                "sha256": row["sha256"] or "",
+                "base_model": row["base_model"] or "",
+                "preview_url": row["preview_url"] or "",
+                "preview_nsfw_level": row["preview_nsfw_level"] or 0,
+                "from_civitai": bool(row["from_civitai"]),
+                "favorite": bool(row["favorite"]),
+                "notes": row["notes"] or "",
+                "usage_tips": row["usage_tips"] or "",
+                "exclude": bool(row["exclude"]),
+                "db_checked": bool(row["db_checked"]),
+                "last_checked_at": row["last_checked_at"] or 0.0,
+                "tags": tags.get(file_path, []),
+                "civitai": civitai,
+            }
+            raw_data.append(item)
+
+        hash_pairs = [(entry["sha256"].lower(), entry["file_path"]) for entry in hash_rows if entry["sha256"]]
+        if not hash_pairs:
+            # Fall back to hashes stored on the model rows
+            for item in raw_data:
+                sha_value = item.get("sha256")
+                if sha_value:
+                    hash_pairs.append((sha_value.lower(), item["file_path"]))
+
+        excluded_paths = [row["file_path"] for row in excluded]
+        return PersistedCacheData(raw_data=raw_data, hash_rows=hash_pairs, excluded_models=excluded_paths)
+
+    def save_cache(self, model_type: str, raw_data: Sequence[Dict], hash_index: Dict[str, List[str]], excluded_models: Sequence[str]) -> None:
+        if not self.is_enabled():
+            return
+        if not self._schema_initialized:
+            self._initialize_schema()
+        if not self._schema_initialized:
+            return
+        try:
+            with self._db_lock:
+                conn = self._connect()
+                try:
+                    conn.execute("PRAGMA foreign_keys = ON")
+                    conn.execute("DELETE FROM models WHERE model_type = ?", (model_type,))
+                    conn.execute("DELETE FROM model_tags WHERE model_type = ?", (model_type,))
+                    conn.execute("DELETE FROM hash_index WHERE model_type = ?", (model_type,))
+                    conn.execute("DELETE FROM excluded_models WHERE model_type = ?", (model_type,))
+
+                    model_rows = [self._prepare_model_row(model_type, item) for item in raw_data]
+                    conn.executemany(self._insert_model_sql(), model_rows)
+
+                    tag_rows = []
+                    for item in raw_data:
+                        file_path = item.get("file_path")
+                        if not file_path:
+                            continue
+                        for tag in item.get("tags") or []:
+                            tag_rows.append((model_type, file_path, tag))
+                    if tag_rows:
+                        conn.executemany(
+                            "INSERT INTO model_tags (model_type, file_path, tag) VALUES (?, ?, ?)",
+                            tag_rows,
+                        )
+
+                    hash_rows: List[Tuple[str, str, str]] = []
+                    for sha_value, paths in hash_index.items():
+                        for path in paths:
+                            if not sha_value or not path:
+                                continue
+                            hash_rows.append((model_type, sha_value.lower(), path))
+                    if hash_rows:
+                        conn.executemany(
+                            "INSERT OR IGNORE INTO hash_index (model_type, sha256, file_path) VALUES (?, ?, ?)",
+                            hash_rows,
+                        )
+
+                    excluded_rows = [(model_type, path) for path in excluded_models]
+                    if excluded_rows:
+                        conn.executemany(
+                            "INSERT OR IGNORE INTO excluded_models (model_type, file_path) VALUES (?, ?)",
+                            excluded_rows,
+                        )
+                    conn.commit()
+                finally:
+                    conn.close()
+        except Exception as exc:
+            logger.warning("Failed to persist cache for %s: %s", model_type, exc)
+
+    # Internal helpers -------------------------------------------------
+
+    def _resolve_default_path(self, library_name: str) -> str:
+        override = os.environ.get("LORA_MANAGER_CACHE_DB")
+        if override:
+            return override
+        try:
+            settings_dir = get_settings_dir(create=True)
+        except Exception as exc:  # pragma: no cover - defensive guard
+            logger.warning("Falling back to project directory for cache: %s", exc)
+            settings_dir = os.path.dirname(os.path.dirname(self._db_path)) if hasattr(self, "_db_path") else os.getcwd()
+        safe_name = re.sub(r"[^A-Za-z0-9_.-]", "_", library_name or "default")
+        if safe_name.lower() in ("default", ""):
+            legacy_path = os.path.join(settings_dir, self._DEFAULT_FILENAME)
+            if os.path.exists(legacy_path):
+                return legacy_path
+        return os.path.join(settings_dir, "model_cache", f"{safe_name}.sqlite")
+
+    def _initialize_schema(self) -> None:
+        with self._db_lock:
+            if self._schema_initialized:
+                return
+            try:
+                with self._connect() as conn:
+                    conn.execute("PRAGMA journal_mode=WAL")
+                    conn.execute("PRAGMA foreign_keys = ON")
+                    conn.executescript(
+                        """
+                        CREATE TABLE IF NOT EXISTS models (
+                            model_type TEXT NOT NULL,
+                            file_path TEXT NOT NULL,
+                            file_name TEXT,
+                            model_name TEXT,
+                            folder TEXT,
+                            size INTEGER,
+                            modified REAL,
+                            sha256 TEXT,
+                            base_model TEXT,
+                            preview_url TEXT,
+                            preview_nsfw_level INTEGER,
+                            from_civitai INTEGER,
+                            favorite INTEGER,
+                            notes TEXT,
+                            usage_tips TEXT,
+                            civitai_id INTEGER,
+                            civitai_model_id INTEGER,
+                            civitai_name TEXT,
+                            trained_words TEXT,
+                            exclude INTEGER,
+                            db_checked INTEGER,
+                            last_checked_at REAL,
+                            PRIMARY KEY (model_type, file_path)
+                        );
+
+                        CREATE TABLE IF NOT EXISTS model_tags (
+                            model_type TEXT NOT NULL,
+                            file_path TEXT NOT NULL,
+                            tag TEXT NOT NULL,
+                            PRIMARY KEY (model_type, file_path, tag)
+                        );
+
+                        CREATE TABLE IF NOT EXISTS hash_index (
+                            model_type TEXT NOT NULL,
+                            sha256 TEXT NOT NULL,
+                            file_path TEXT NOT NULL,
+                            PRIMARY KEY (model_type, sha256, file_path)
+                        );
+
+                        CREATE TABLE IF NOT EXISTS excluded_models (
+                            model_type TEXT NOT NULL,
+                            file_path TEXT NOT NULL,
+                            PRIMARY KEY (model_type, file_path)
+                        );
+                        """
+                    )
+                    conn.commit()
+                self._schema_initialized = True
+            except Exception as exc:  # pragma: no cover - defensive guard
+                logger.warning("Failed to initialize persistent cache schema: %s", exc)
+
+    def _connect(self, readonly: bool = False) -> sqlite3.Connection:
+        uri = False
+        path = self._db_path
+        if readonly:
+            if not os.path.exists(path):
+                raise FileNotFoundError(path)
+            path = f"file:{path}?mode=ro"
+            uri = True
+        conn = sqlite3.connect(path, check_same_thread=False, uri=uri, detect_types=sqlite3.PARSE_DECLTYPES)
+        conn.row_factory = sqlite3.Row
+        return conn
+
+    def _prepare_model_row(self, model_type: str, item: Dict) -> Tuple:
+        civitai = item.get("civitai") or {}
+        trained_words = civitai.get("trainedWords")
+        if isinstance(trained_words, str):
+            trained_words_json = trained_words
+        elif trained_words is None:
+            trained_words_json = None
+        else:
+            trained_words_json = json.dumps(trained_words)
+
+        return (
+            model_type,
+            item.get("file_path"),
+            item.get("file_name"),
+            item.get("model_name"),
+            item.get("folder"),
+            int(item.get("size") or 0),
+            float(item.get("modified") or 0.0),
+            (item.get("sha256") or "").lower() or None,
+            item.get("base_model"),
+            item.get("preview_url"),
+            int(item.get("preview_nsfw_level") or 0),
+            1 if item.get("from_civitai", True) else 0,
+            1 if item.get("favorite") else 0,
+            item.get("notes"),
+            item.get("usage_tips"),
+            civitai.get("id"),
+            civitai.get("modelId"),
+            civitai.get("name"),
+            trained_words_json,
+            1 if item.get("exclude") else 0,
+            1 if item.get("db_checked") else 0,
+            float(item.get("last_checked_at") or 0.0),
+        )
+
+    def _insert_model_sql(self) -> str:
+        return (
+            "INSERT INTO models (model_type, file_path, file_name, model_name, folder, size, modified, sha256,"
+            " base_model, preview_url, preview_nsfw_level, from_civitai, favorite, notes, usage_tips,"
+            " civitai_id, civitai_model_id, civitai_name, trained_words, exclude, db_checked, last_checked_at)"
+            " VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"
+        )
+
+    def _load_tags(self, conn: sqlite3.Connection, model_type: str) -> Dict[str, List[str]]:
+        tag_rows = conn.execute(
+            "SELECT file_path, tag FROM model_tags WHERE model_type = ?",
+            (model_type,),
+        ).fetchall()
+        result: Dict[str, List[str]] = {}
+        for row in tag_rows:
+            result.setdefault(row["file_path"], []).append(row["tag"])
+        return result
+
+
+def get_persistent_cache() -> PersistentModelCache:
+    from .settings_manager import get_settings_manager  # Local import to avoid cycles
+
+    library_name = get_settings_manager().get_active_library_name()
+    return PersistentModelCache.get_default(library_name)

py/services/preview_asset_service.py

@@ -5,8 +5,10 @@ from __future__ import annotations
 import logging
 import os
 from typing import Awaitable, Callable, Dict, Optional, Sequence
+from urllib.parse import urlparse
 
 from ..utils.constants import CARD_PREVIEW_WIDTH, PREVIEW_EXTENSIONS
+from ..utils.civitai_utils import rewrite_preview_url
 
 logger = logging.getLogger(__name__)
 
@@ -45,23 +47,59 @@ class PreviewAssetService:
         base_name = os.path.splitext(os.path.splitext(os.path.basename(metadata_path))[0])[0]
         preview_dir = os.path.dirname(metadata_path)
         is_video = first_preview.get("type") == "video"
+        preview_url = first_preview.get("url")
+
+        if not preview_url:
+            return
+
+        def extension_from_url(url: str, fallback: str) -> str:
+            try:
+                parsed = urlparse(url)
+            except ValueError:
+                return fallback
+            ext = os.path.splitext(parsed.path)[1]
+            return ext or fallback
+
+        downloader = await self._downloader_factory()
 
         if is_video:
-            extension = ".mp4"
+            extension = extension_from_url(preview_url, ".mp4")
             preview_path = os.path.join(preview_dir, base_name + extension)
-            downloader = await self._downloader_factory()
-            success, result = await downloader.download_file(
-                first_preview["url"], preview_path, use_auth=False
-            )
-            if success:
-                local_metadata["preview_url"] = preview_path.replace(os.sep, "/")
-                local_metadata["preview_nsfw_level"] = first_preview.get("nsfwLevel", 0)
+            rewritten_url, rewritten = rewrite_preview_url(preview_url, media_type="video")
+
+            attempt_urls = []
+            if rewritten:
+                attempt_urls.append(rewritten_url)
+            attempt_urls.append(preview_url)
+
+            seen: set[str] = set()
+            for candidate in attempt_urls:
+                if not candidate or candidate in seen:
+                    continue
+                seen.add(candidate)
+
+                success, _ = await downloader.download_file(candidate, preview_path, use_auth=False)
+                if success:
+                    local_metadata["preview_url"] = preview_path.replace(os.sep, "/")
+                    local_metadata["preview_nsfw_level"] = first_preview.get("nsfwLevel", 0)
+                    return
         else:
+            rewritten_url, rewritten = rewrite_preview_url(preview_url, media_type="image")
+            if rewritten:
+                extension = extension_from_url(preview_url, ".png")
+                preview_path = os.path.join(preview_dir, base_name + extension)
+                success, _ = await downloader.download_file(
+                    rewritten_url, preview_path, use_auth=False
+                )
+                if success:
+                    local_metadata["preview_url"] = preview_path.replace(os.sep, "/")
+                    local_metadata["preview_nsfw_level"] = first_preview.get("nsfwLevel", 0)
+                    return
+
             extension = ".webp"
             preview_path = os.path.join(preview_dir, base_name + extension)
-            downloader = await self._downloader_factory()
             success, content, _headers = await downloader.download_to_memory(
-                first_preview["url"], use_auth=False
+                preview_url, use_auth=False
             )
             if not success:
                 return

py/services/recipe_scanner.py

@@ -52,6 +52,31 @@ class RecipeScanner:
             if lora_scanner:
                 self._lora_scanner = lora_scanner
             self._initialized = True
+
+    def on_library_changed(self) -> None:
+        """Reset cached state when the active library changes."""
+
+        # Cancel any in-flight initialization or resorting work so the next
+        # access rebuilds the cache for the new library.
+        if self._initialization_task and not self._initialization_task.done():
+            self._initialization_task.cancel()
+
+        for task in list(self._resort_tasks):
+            if not task.done():
+                task.cancel()
+        self._resort_tasks.clear()
+
+        self._cache = None
+        self._initialization_task = None
+        self._is_initializing = False
+
+        try:
+            loop = asyncio.get_running_loop()
+        except RuntimeError:
+            loop = None
+
+        if loop and not loop.is_closed():
+            loop.create_task(self.initialize_in_background())
     
     async def _get_civitai_client(self):
         """Lazily initialize CivitaiClient from registry"""
@@ -424,27 +449,29 @@ class RecipeScanner:
             # If has modelVersionId but no hash, look in lora cache first, then fetch from Civitai
             if 'modelVersionId' in lora and not lora.get('hash'):
                 model_version_id = lora['modelVersionId']
+                # Check if model_version_id is an integer and > 0
+                if isinstance(model_version_id, int) and model_version_id > 0:
 
-                # Try to find in lora cache first
-                hash_from_cache = await self._find_hash_in_lora_cache(model_version_id)
-                if hash_from_cache:
-                    lora['hash'] = hash_from_cache
-                    metadata_updated = True
-                else:
-                    # If not in cache, fetch from Civitai
-                    result = await self._get_hash_from_civitai(model_version_id)
-                    if isinstance(result, tuple):
-                        hash_from_civitai, is_deleted = result
-                        if hash_from_civitai:
-                            lora['hash'] = hash_from_civitai
-                            metadata_updated = True
-                        elif is_deleted:
-                            # Mark the lora as deleted if it was not found on Civitai
-                            lora['isDeleted'] = True
-                            logger.warning(f"Marked lora with modelVersionId {model_version_id} as deleted")
-                            metadata_updated = True
+                    # Try to find in lora cache first
+                    hash_from_cache = await self._find_hash_in_lora_cache(model_version_id)
+                    if hash_from_cache:
+                        lora['hash'] = hash_from_cache
+                        metadata_updated = True
                     else:
-                        logger.debug(f"Could not get hash for modelVersionId {model_version_id}")
+                        # If not in cache, fetch from Civitai
+                        result = await self._get_hash_from_civitai(model_version_id)
+                        if isinstance(result, tuple):
+                            hash_from_civitai, is_deleted = result
+                            if hash_from_civitai:
+                                lora['hash'] = hash_from_civitai
+                                metadata_updated = True
+                            elif is_deleted:
+                                # Mark the lora as deleted if it was not found on Civitai
+                                lora['isDeleted'] = True
+                                logger.warning(f"Marked lora with modelVersionId {model_version_id} as deleted")
+                                metadata_updated = True
+                        else:
+                            logger.debug(f"Could not get hash for modelVersionId {model_version_id}")
             
             # If has hash but no file_name, look up in lora library
             if 'hash' in lora and (not lora.get('file_name') or not lora['file_name']):
@@ -740,20 +767,17 @@ class RecipeScanner:
         """Format file path as URL for serving in web UI"""
         if not file_path:
             return '/loras_static/images/no-preview.png'
-            
+
         try:
-            # Format file path as a URL that will work with static file serving
-            recipes_dir = os.path.join(config.loras_roots[0], "recipes").replace(os.sep, '/')
-            if file_path.replace(os.sep, '/').startswith(recipes_dir):
-                relative_path = os.path.relpath(file_path, config.loras_roots[0]).replace(os.sep, '/')
-                return f"/loras_static/root1/preview/{relative_path}"
-                
-            # If not in recipes dir, try to create a valid URL from the file name
-            file_name = os.path.basename(file_path)
-            return f"/loras_static/root1/preview/recipes/{file_name}"
+            normalized_path = os.path.normpath(file_path)
+            static_url = config.get_preview_static_url(normalized_path)
+            if static_url:
+                return static_url
         except Exception as e:
             logger.error(f"Error formatting file URL: {e}")
             return '/loras_static/images/no-preview.png'
+
+        return '/loras_static/images/no-preview.png'
     
     def _format_timestamp(self, timestamp: float) -> str:
         """Format timestamp for display"""

py/services/recipes/persistence_service.py

@@ -279,10 +279,17 @@ class RecipePersistenceService:
         os.makedirs(recipes_dir, exist_ok=True)
 
         recipe_id = str(uuid.uuid4())
-        image_filename = f"{recipe_id}.png"
+        optimized_image, extension = self._exif_utils.optimize_image(
+            image_data=image_bytes,
+            target_width=self._card_preview_width,
+            format="webp",
+            quality=85,
+            preserve_metadata=True,
+        )
+        image_filename = f"{recipe_id}{extension}"
         image_path = os.path.join(recipes_dir, image_filename)
         with open(image_path, "wb") as file_obj:
-            file_obj.write(image_bytes)
+            file_obj.write(optimized_image)
 
         lora_stack = metadata.get("loras", "")
         lora_matches = re.findall(r"<lora:([^:]+):([^>]+)>", lora_stack)
@@ -298,9 +305,9 @@ class RecipePersistenceService:
                 "file_name": name,
                 "strength": float(strength),
                 "hash": (lora_info.get("sha256") or "").lower() if lora_info else "",
-                "modelVersionId": lora_info.get("civitai", {}).get("id") if lora_info else 0,
-                "modelName": lora_info.get("civitai", {}).get("model", {}).get("name") if lora_info else "",
-                "modelVersionName": lora_info.get("civitai", {}).get("name") if lora_info else "",
+                "modelVersionId": (lora_info.get("civitai") or {}).get("id", 0) if lora_info else 0,
+                "modelName": ((lora_info.get("civitai") or {}).get("model") or {}).get("name", name) if lora_info else "",
+                "modelVersionName": (lora_info.get("civitai") or {}).get("name", "") if lora_info else "",
                 "isDeleted": False,
                 "exclude": False,
             }

py/services/settings_manager.py

@@ -1,7 +1,12 @@
-import os
+import copy
 import json
+import os
 import logging
-from typing import Any, Dict
+from datetime import datetime, timezone
+from threading import Lock
+from typing import Any, Dict, Iterable, List, Mapping, Optional
+
+from ..utils.settings_paths import ensure_settings_file
 
 logger = logging.getLogger(__name__)
 
@@ -36,10 +41,11 @@ DEFAULT_SETTINGS: Dict[str, Any] = {
 
 class SettingsManager:
     def __init__(self):
-        self.settings_file = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), 'settings.json')
+        self.settings_file = ensure_settings_file(logger)
         self.settings = self._load_settings()
         self._migrate_setting_keys()
         self._ensure_default_settings()
+        self._migrate_to_library_registry()
         self._migrate_download_path_template()
         self._auto_set_default_roots()
         self._check_environment_variables()
@@ -67,6 +73,223 @@ class SettingsManager:
         if updated:
             self._save_settings()
 
+    def _migrate_to_library_registry(self) -> None:
+        """Ensure settings include the multi-library registry structure."""
+        libraries = self.settings.get("libraries")
+        active_name = self.settings.get("active_library")
+
+        if not isinstance(libraries, dict) or not libraries:
+            library_name = active_name or "default"
+            library_payload = self._build_library_payload(
+                folder_paths=self.settings.get("folder_paths", {}),
+                default_lora_root=self.settings.get("default_lora_root", ""),
+                default_checkpoint_root=self.settings.get("default_checkpoint_root", ""),
+                default_embedding_root=self.settings.get("default_embedding_root", ""),
+            )
+            libraries = {library_name: library_payload}
+            self.settings["libraries"] = libraries
+            self.settings["active_library"] = library_name
+            self._sync_active_library_to_root(save=False)
+            self._save_settings()
+            return
+
+        sanitized_libraries: Dict[str, Dict[str, Any]] = {}
+        changed = False
+        for name, data in libraries.items():
+            if not isinstance(data, dict):
+                data = {}
+                changed = True
+            payload = self._build_library_payload(
+                folder_paths=data.get("folder_paths"),
+                default_lora_root=data.get("default_lora_root"),
+                default_checkpoint_root=data.get("default_checkpoint_root"),
+                default_embedding_root=data.get("default_embedding_root"),
+                metadata=data.get("metadata"),
+                base=data,
+            )
+            sanitized_libraries[name] = payload
+            if payload is not data:
+                changed = True
+
+        if changed:
+            self.settings["libraries"] = sanitized_libraries
+
+        if not active_name or active_name not in sanitized_libraries:
+            if sanitized_libraries:
+                self.settings["active_library"] = next(iter(sanitized_libraries.keys()))
+            else:
+                self.settings["active_library"] = "default"
+
+        self._sync_active_library_to_root(save=changed)
+
+    def _sync_active_library_to_root(self, *, save: bool = False) -> None:
+        """Update top-level folder path settings to mirror the active library."""
+        libraries = self.settings.get("libraries", {})
+        active_name = self.settings.get("active_library")
+        if not libraries:
+            return
+
+        if active_name not in libraries:
+            active_name = next(iter(libraries.keys()))
+            self.settings["active_library"] = active_name
+
+        active_library = libraries.get(active_name, {})
+        folder_paths = copy.deepcopy(active_library.get("folder_paths", {}))
+        self.settings["folder_paths"] = folder_paths
+        self.settings["default_lora_root"] = active_library.get("default_lora_root", "")
+        self.settings["default_checkpoint_root"] = active_library.get("default_checkpoint_root", "")
+        self.settings["default_embedding_root"] = active_library.get("default_embedding_root", "")
+
+        if save:
+            self._save_settings()
+
+    def _current_timestamp(self) -> str:
+        return datetime.now(timezone.utc).replace(microsecond=0).isoformat()
+
+    def _build_library_payload(
+        self,
+        *,
+        folder_paths: Optional[Mapping[str, Iterable[str]]] = None,
+        default_lora_root: Optional[str] = None,
+        default_checkpoint_root: Optional[str] = None,
+        default_embedding_root: Optional[str] = None,
+        metadata: Optional[Mapping[str, Any]] = None,
+        base: Optional[Mapping[str, Any]] = None,
+    ) -> Dict[str, Any]:
+        payload: Dict[str, Any] = dict(base or {})
+        timestamp = self._current_timestamp()
+
+        if folder_paths is not None:
+            payload["folder_paths"] = self._normalize_folder_paths(folder_paths)
+        else:
+            payload.setdefault("folder_paths", {})
+
+        if default_lora_root is not None:
+            payload["default_lora_root"] = default_lora_root
+        else:
+            payload.setdefault("default_lora_root", "")
+
+        if default_checkpoint_root is not None:
+            payload["default_checkpoint_root"] = default_checkpoint_root
+        else:
+            payload.setdefault("default_checkpoint_root", "")
+
+        if default_embedding_root is not None:
+            payload["default_embedding_root"] = default_embedding_root
+        else:
+            payload.setdefault("default_embedding_root", "")
+
+        if metadata:
+            merged_meta = dict(payload.get("metadata", {}))
+            merged_meta.update(metadata)
+            payload["metadata"] = merged_meta
+
+        payload.setdefault("created_at", timestamp)
+        payload["updated_at"] = timestamp
+        return payload
+
+    def _normalize_folder_paths(
+        self, folder_paths: Mapping[str, Iterable[str]]
+    ) -> Dict[str, List[str]]:
+        normalized: Dict[str, List[str]] = {}
+        for key, values in folder_paths.items():
+            if not isinstance(values, Iterable):
+                continue
+            cleaned: List[str] = []
+            seen = set()
+            for value in values:
+                if not isinstance(value, str):
+                    continue
+                stripped = value.strip()
+                if not stripped:
+                    continue
+                if stripped not in seen:
+                    cleaned.append(stripped)
+                    seen.add(stripped)
+            normalized[key] = cleaned
+        return normalized
+
+    def _validate_folder_paths(
+        self,
+        library_name: str,
+        folder_paths: Mapping[str, Iterable[str]],
+    ) -> None:
+        """Ensure folder paths do not overlap with other libraries."""
+        libraries = self.settings.get("libraries", {})
+        normalized_new: Dict[str, Dict[str, str]] = {}
+        for key, values in folder_paths.items():
+            path_map: Dict[str, str] = {}
+            for value in values:
+                if not isinstance(value, str):
+                    continue
+                stripped = value.strip()
+                if not stripped:
+                    continue
+                normalized_value = os.path.normcase(os.path.normpath(stripped))
+                path_map[normalized_value] = stripped
+            if path_map:
+                normalized_new[key] = path_map
+
+        if not normalized_new:
+            return
+
+        for other_name, other in libraries.items():
+            if other_name == library_name:
+                continue
+            other_paths = other.get("folder_paths", {})
+            for key, new_paths in normalized_new.items():
+                existing = {
+                    os.path.normcase(os.path.normpath(path))
+                    for path in other_paths.get(key, [])
+                    if isinstance(path, str) and path
+                }
+                overlap = existing.intersection(new_paths.keys())
+                if overlap:
+                    collisions = ", ".join(sorted(new_paths[value] for value in overlap))
+                    raise ValueError(
+                        f"Folder path(s) {collisions} already assigned to library '{other_name}'"
+                    )
+
+    def _update_active_library_entry(
+        self,
+        *,
+        folder_paths: Optional[Mapping[str, Iterable[str]]] = None,
+        default_lora_root: Optional[str] = None,
+        default_checkpoint_root: Optional[str] = None,
+        default_embedding_root: Optional[str] = None,
+    ) -> bool:
+        libraries = self.settings.get("libraries", {})
+        active_name = self.settings.get("active_library")
+        if not active_name or active_name not in libraries:
+            return False
+
+        library = libraries[active_name]
+        changed = False
+
+        if folder_paths is not None:
+            normalized_paths = self._normalize_folder_paths(folder_paths)
+            if library.get("folder_paths") != normalized_paths:
+                library["folder_paths"] = normalized_paths
+                changed = True
+
+        if default_lora_root is not None and library.get("default_lora_root") != default_lora_root:
+            library["default_lora_root"] = default_lora_root
+            changed = True
+
+        if default_checkpoint_root is not None and library.get("default_checkpoint_root") != default_checkpoint_root:
+            library["default_checkpoint_root"] = default_checkpoint_root
+            changed = True
+
+        if default_embedding_root is not None and library.get("default_embedding_root") != default_embedding_root:
+            library["default_embedding_root"] = default_embedding_root
+            changed = True
+
+        if changed:
+            library.setdefault("created_at", self._current_timestamp())
+            library["updated_at"] = self._current_timestamp()
+
+        return changed
+
     def _migrate_setting_keys(self) -> None:
         """Migrate legacy camelCase setting keys to snake_case"""
         key_migrations = {
@@ -111,25 +334,36 @@ class SettingsManager:
             logger.info("Migration completed")
 
     def _auto_set_default_roots(self):
-        """Auto set default root paths if only one folder is present and default is empty."""
+        """Auto set default root paths when only one folder is present and the current default is unset or not among the options."""
         folder_paths = self.settings.get('folder_paths', {})
         updated = False
         # loras
         loras = folder_paths.get('loras', [])
-        if isinstance(loras, list) and len(loras) == 1 and not self.settings.get('default_lora_root'):
-            self.settings['default_lora_root'] = loras[0]
-            updated = True
+        if isinstance(loras, list) and len(loras) == 1:
+            current_lora_root = self.settings.get('default_lora_root')
+            if current_lora_root not in loras:
+                self.settings['default_lora_root'] = loras[0]
+                updated = True
         # checkpoints
         checkpoints = folder_paths.get('checkpoints', [])
-        if isinstance(checkpoints, list) and len(checkpoints) == 1 and not self.settings.get('default_checkpoint_root'):
-            self.settings['default_checkpoint_root'] = checkpoints[0]
-            updated = True
+        if isinstance(checkpoints, list) and len(checkpoints) == 1:
+            current_checkpoint_root = self.settings.get('default_checkpoint_root')
+            if current_checkpoint_root not in checkpoints:
+                self.settings['default_checkpoint_root'] = checkpoints[0]
+                updated = True
         # embeddings
         embeddings = folder_paths.get('embeddings', [])
-        if isinstance(embeddings, list) and len(embeddings) == 1 and not self.settings.get('default_embedding_root'):
-            self.settings['default_embedding_root'] = embeddings[0]
-            updated = True
+        if isinstance(embeddings, list) and len(embeddings) == 1:
+            current_embedding_root = self.settings.get('default_embedding_root')
+            if current_embedding_root not in embeddings:
+                self.settings['default_embedding_root'] = embeddings[0]
+                updated = True
         if updated:
+            self._update_active_library_entry(
+                default_lora_root=self.settings.get('default_lora_root'),
+                default_checkpoint_root=self.settings.get('default_checkpoint_root'),
+                default_embedding_root=self.settings.get('default_embedding_root'),
+            )
             self._save_settings()
 
     def _check_environment_variables(self) -> None:
@@ -160,6 +394,14 @@ class SettingsManager:
     def set(self, key: str, value: Any) -> None:
         """Set setting value and save"""
         self.settings[key] = value
+        if key == 'folder_paths' and isinstance(value, Mapping):
+            self._update_active_library_entry(folder_paths=value)  # type: ignore[arg-type]
+        elif key == 'default_lora_root':
+            self._update_active_library_entry(default_lora_root=str(value))
+        elif key == 'default_checkpoint_root':
+            self._update_active_library_entry(default_checkpoint_root=str(value))
+        elif key == 'default_embedding_root':
+            self._update_active_library_entry(default_embedding_root=str(value))
         self._save_settings()
 
     def delete(self, key: str) -> None:
@@ -177,6 +419,227 @@ class SettingsManager:
         except Exception as e:
             logger.error(f"Error saving settings: {e}")
 
+    def get_libraries(self) -> Dict[str, Dict[str, Any]]:
+        """Return a copy of the registered libraries."""
+        libraries = self.settings.get("libraries", {})
+        return copy.deepcopy(libraries)
+
+    def get_active_library_name(self) -> str:
+        """Return the currently active library name."""
+        libraries = self.settings.get("libraries", {})
+        active_name = self.settings.get("active_library")
+        if active_name and active_name in libraries:
+            return active_name
+        if libraries:
+            return next(iter(libraries.keys()))
+        return "default"
+
+    def get_active_library(self) -> Dict[str, Any]:
+        """Return a copy of the active library configuration."""
+        libraries = self.settings.get("libraries", {})
+        active_name = self.get_active_library_name()
+        return copy.deepcopy(libraries.get(active_name, {}))
+
+    def activate_library(self, library_name: str) -> None:
+        """Activate a library by name and refresh dependent services."""
+        libraries = self.settings.get("libraries", {})
+        if library_name not in libraries:
+            raise KeyError(f"Library '{library_name}' does not exist")
+
+        current_active = self.get_active_library_name()
+        if current_active == library_name:
+            # Ensure root settings stay in sync even if already active
+            self._sync_active_library_to_root(save=False)
+            self._save_settings()
+            self._notify_library_change(library_name)
+            return
+
+        self.settings["active_library"] = library_name
+        self._sync_active_library_to_root(save=False)
+        self._save_settings()
+        self._notify_library_change(library_name)
+
+    def upsert_library(
+        self,
+        library_name: str,
+        *,
+        folder_paths: Optional[Mapping[str, Iterable[str]]] = None,
+        default_lora_root: Optional[str] = None,
+        default_checkpoint_root: Optional[str] = None,
+        default_embedding_root: Optional[str] = None,
+        metadata: Optional[Mapping[str, Any]] = None,
+        activate: bool = False,
+    ) -> Dict[str, Any]:
+        """Create or update a library definition."""
+
+        name = library_name.strip()
+        if not name:
+            raise ValueError("Library name cannot be empty")
+
+        if folder_paths is not None:
+            self._validate_folder_paths(name, folder_paths)
+
+        libraries = self.settings.setdefault("libraries", {})
+        existing = libraries.get(name, {})
+
+        payload = self._build_library_payload(
+            folder_paths=folder_paths if folder_paths is not None else existing.get("folder_paths"),
+            default_lora_root=default_lora_root if default_lora_root is not None else existing.get("default_lora_root"),
+            default_checkpoint_root=(
+                default_checkpoint_root
+                if default_checkpoint_root is not None
+                else existing.get("default_checkpoint_root")
+            ),
+            default_embedding_root=(
+                default_embedding_root
+                if default_embedding_root is not None
+                else existing.get("default_embedding_root")
+            ),
+            metadata=metadata if metadata is not None else existing.get("metadata"),
+            base=existing,
+        )
+
+        libraries[name] = payload
+
+        if activate or not self.settings.get("active_library"):
+            self.settings["active_library"] = name
+
+        self._sync_active_library_to_root(save=False)
+        self._save_settings()
+
+        if self.settings.get("active_library") == name:
+            self._notify_library_change(name)
+
+        return payload
+
+    def create_library(
+        self,
+        library_name: str,
+        *,
+        folder_paths: Mapping[str, Iterable[str]],
+        default_lora_root: str = "",
+        default_checkpoint_root: str = "",
+        default_embedding_root: str = "",
+        metadata: Optional[Mapping[str, Any]] = None,
+        activate: bool = False,
+    ) -> Dict[str, Any]:
+        """Create a new library entry."""
+
+        libraries = self.settings.get("libraries", {})
+        if library_name in libraries:
+            raise ValueError(f"Library '{library_name}' already exists")
+
+        return self.upsert_library(
+            library_name,
+            folder_paths=folder_paths,
+            default_lora_root=default_lora_root,
+            default_checkpoint_root=default_checkpoint_root,
+            default_embedding_root=default_embedding_root,
+            metadata=metadata,
+            activate=activate,
+        )
+
+    def rename_library(self, old_name: str, new_name: str) -> None:
+        """Rename an existing library."""
+
+        libraries = self.settings.get("libraries", {})
+        if old_name not in libraries:
+            raise KeyError(f"Library '{old_name}' does not exist")
+        new_name_stripped = new_name.strip()
+        if not new_name_stripped:
+            raise ValueError("New library name cannot be empty")
+        if new_name_stripped in libraries:
+            raise ValueError(f"Library '{new_name_stripped}' already exists")
+
+        libraries[new_name_stripped] = libraries.pop(old_name)
+        if self.settings.get("active_library") == old_name:
+            self.settings["active_library"] = new_name_stripped
+            active_name = new_name_stripped
+        else:
+            active_name = self.settings.get("active_library")
+
+        self._sync_active_library_to_root(save=False)
+        self._save_settings()
+
+        if active_name == new_name_stripped:
+            self._notify_library_change(new_name_stripped)
+
+    def delete_library(self, library_name: str) -> None:
+        """Remove a library definition."""
+
+        libraries = self.settings.get("libraries", {})
+        if library_name not in libraries:
+            raise KeyError(f"Library '{library_name}' does not exist")
+        if len(libraries) == 1:
+            raise ValueError("At least one library must remain")
+
+        was_active = self.settings.get("active_library") == library_name
+        libraries.pop(library_name)
+
+        if was_active:
+            new_active = next(iter(libraries.keys()))
+            self.settings["active_library"] = new_active
+        self._sync_active_library_to_root(save=False)
+        self._save_settings()
+
+        if was_active:
+            self._notify_library_change(self.settings["active_library"])
+
+    def update_active_library_paths(
+        self,
+        folder_paths: Mapping[str, Iterable[str]],
+        *,
+        default_lora_root: Optional[str] = None,
+        default_checkpoint_root: Optional[str] = None,
+        default_embedding_root: Optional[str] = None,
+    ) -> None:
+        """Update folder paths for the active library."""
+
+        active_name = self.get_active_library_name()
+        self.upsert_library(
+            active_name,
+            folder_paths=folder_paths,
+            default_lora_root=default_lora_root,
+            default_checkpoint_root=default_checkpoint_root,
+            default_embedding_root=default_embedding_root,
+            activate=True,
+        )
+
+    def _notify_library_change(self, library_name: str) -> None:
+        """Notify dependent services that the active library changed."""
+        libraries = self.settings.get("libraries", {})
+        library_config = libraries.get(library_name, {})
+        library_snapshot = copy.deepcopy(library_config)
+
+        try:
+            from ..config import config  # Local import to avoid circular dependency
+
+            config.apply_library_settings(library_snapshot)
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.debug("Failed to apply library settings to config: %s", exc)
+
+        try:
+            from .service_registry import ServiceRegistry  # type: ignore
+
+            for service_name in (
+                "lora_scanner",
+                "checkpoint_scanner",
+                "embedding_scanner",
+                "recipe_scanner",
+            ):
+                service = ServiceRegistry.get_service_sync(service_name)
+                if service and hasattr(service, "on_library_changed"):
+                    try:
+                        service.on_library_changed()
+                    except Exception as service_exc:  # pragma: no cover - defensive logging
+                        logger.debug(
+                            "Service %s failed to handle library change: %s",
+                            service_name,
+                            service_exc,
+                        )
+        except Exception as exc:  # pragma: no cover - defensive logging
+            logger.debug("Failed to notify services about library change: %s", exc)
+
     def get_download_path_template(self, model_type: str) -> str:
         """Get download path template for specific model type
         
@@ -226,4 +689,38 @@ class SettingsManager:
         
         return templates.get(model_type, '{base_model}/{first_tag}')
 
-settings = SettingsManager()
+
+_SETTINGS_MANAGER: Optional["SettingsManager"] = None
+_SETTINGS_MANAGER_LOCK = Lock()
+# Legacy module-level alias for backwards compatibility with callers that
+# monkeypatch ``py.services.settings_manager.settings`` during tests.
+settings: Optional["SettingsManager"] = None
+
+
+def get_settings_manager() -> "SettingsManager":
+    """Return the lazily initialised global :class:`SettingsManager`."""
+
+    global _SETTINGS_MANAGER, settings
+    if settings is not None:
+        return settings
+
+    if _SETTINGS_MANAGER is None:
+        with _SETTINGS_MANAGER_LOCK:
+            if _SETTINGS_MANAGER is None:
+                _SETTINGS_MANAGER = SettingsManager()
+
+    settings = _SETTINGS_MANAGER
+    return _SETTINGS_MANAGER
+
+
+def reset_settings_manager() -> None:
+    """Reset the cached settings manager instance.
+
+    Primarily intended for tests so they can configure the settings
+    directory before the manager touches the filesystem.
+    """
+
+    global _SETTINGS_MANAGER, settings
+    with _SETTINGS_MANAGER_LOCK:
+        _SETTINGS_MANAGER = None
+        settings = None

py/services/use_cases/bulk_metadata_refresh_use_case.py

@@ -6,6 +6,7 @@ import logging
 from typing import Any, Dict, Optional, Protocol, Sequence
 
 from ..metadata_sync_service import MetadataSyncService
+from ...utils.metadata_manager import MetadataManager
 
 
 class MetadataRefreshProgressReporter(Protocol):
@@ -70,6 +71,7 @@ class BulkMetadataRefreshUseCase:
         for model in to_process:
             try:
                 original_name = model.get("model_name")
+                await MetadataManager.hydrate_model_data(model)
                 result, _ = await self._metadata_sync.fetch_and_update_model(
                     sha256=model["sha256"],
                     file_path=model["file_path"],

py/services/websocket_manager.py

@@ -16,6 +16,8 @@ class WebSocketManager:
         self._download_websockets: Dict[str, web.WebSocketResponse] = {}  # New dict for download-specific clients
         # Add progress tracking dictionary
         self._download_progress: Dict[str, Dict] = {}
+        # Cache last initialization progress payloads
+        self._last_init_progress: Dict[str, Dict] = {}
         # Add auto-organize progress tracking
         self._auto_organize_progress: Optional[Dict] = None
         self._auto_organize_lock = asyncio.Lock()
@@ -39,8 +41,10 @@ class WebSocketManager:
         ws = web.WebSocketResponse()
         await ws.prepare(request)
         self._init_websockets.add(ws)
-        
+
         try:
+            await self._send_cached_init_progress(ws)
+
             async for msg in ws:
                 if msg.type == web.WSMsgType.ERROR:
                     logger.error(f'Init WebSocket error: {ws.exception()}')
@@ -102,23 +106,53 @@ class WebSocketManager:
     
     async def broadcast_init_progress(self, data: Dict):
         """Broadcast initialization progress to connected clients"""
+        payload = dict(data) if data else {}
+
+        if 'stage' not in payload:
+            payload['stage'] = 'processing'
+        if 'progress' not in payload:
+            payload['progress'] = 0
+        if 'details' not in payload:
+            payload['details'] = 'Processing...'
+
+        key = self._get_init_progress_key(payload)
+        self._last_init_progress[key] = dict(payload)
+
         if not self._init_websockets:
             return
-            
-        # Ensure data has all required fields
-        if 'stage' not in data:
-            data['stage'] = 'processing'
-        if 'progress' not in data:
-            data['progress'] = 0
-        if 'details' not in data:
-            data['details'] = 'Processing...'
-            
-        for ws in self._init_websockets:
+
+        stale_clients = []
+        for ws in list(self._init_websockets):
             try:
-                await ws.send_json(data)
+                await ws.send_json(payload)
             except Exception as e:
                 logger.error(f"Error sending initialization progress: {e}")
-    
+                stale_clients.append(ws)
+
+        for ws in stale_clients:
+            self._init_websockets.discard(ws)
+
+    async def _send_cached_init_progress(self, ws: web.WebSocketResponse) -> None:
+        """Send cached initialization progress payloads to a new client"""
+        if not self._last_init_progress:
+            return
+
+        for payload in list(self._last_init_progress.values()):
+            try:
+                await ws.send_json(payload)
+            except Exception as e:
+                logger.debug(f'Error sending cached initialization progress: {e}')
+
+    def _get_init_progress_key(self, data: Dict) -> str:
+        """Return a stable key for caching initialization progress payloads"""
+        page_type = data.get('pageType')
+        if page_type:
+            return f'page:{page_type}'
+        scanner_type = data.get('scanner_type')
+        if scanner_type:
+            return f'scanner:{scanner_type}'
+        return 'global'
+
     async def broadcast_download_progress(self, download_id: str, data: Dict):
         """Send progress update to specific download client"""
         # Store simplified progress data in memory (only progress percentage)
@@ -202,4 +236,5 @@ class WebSocketManager:
         return str(uuid4())
 
 # Global instance
-ws_manager = WebSocketManager()
+ws_manager = WebSocketManager()
+

py/utils/civitai_utils.py

@@ -0,0 +1,48 @@
+"""Utilities for working with Civitai assets."""
+
+from __future__ import annotations
+
+from urllib.parse import urlparse, urlunparse
+
+
+def rewrite_preview_url(source_url: str | None, media_type: str | None = None) -> tuple[str | None, bool]:
+    """Rewrite Civitai preview URLs to use optimized renditions.
+
+    Args:
+        source_url: Original preview URL from the Civitai API.
+        media_type: Optional media type hint (e.g. ``"image"`` or ``"video"``).
+
+    Returns:
+        A tuple of the potentially rewritten URL and a flag indicating whether the
+        replacement occurred. When the URL is not rewritten, the original value is
+        returned with ``False``.
+    """
+    if not source_url:
+        return source_url, False
+
+    try:
+        parsed = urlparse(source_url)
+    except ValueError:
+        return source_url, False
+
+    if parsed.netloc.lower() != "image.civitai.com":
+        return source_url, False
+
+    replacement = "/width=450,optimized=true"
+    if (media_type or "").lower() == "video":
+        replacement = "/transcode=true,width=450,optimized=true"
+
+    if "/original=true" not in parsed.path:
+        return source_url, False
+
+    updated_path = parsed.path.replace("/original=true", replacement, 1)
+    if updated_path == parsed.path:
+        return source_url, False
+
+    rewritten = urlunparse(parsed._replace(path=updated_path))
+    print(rewritten)
+    return rewritten, True
+
+
+__all__ = ["rewrite_preview_url"]
+

py/utils/constants.py

@@ -48,6 +48,13 @@ SUPPORTED_MEDIA_EXTENSIONS = {
 # Valid Lora types
 VALID_LORA_TYPES = ['lora', 'locon', 'dora']
 
+# Supported Civitai model types for user model queries (case-insensitive)
+CIVITAI_USER_MODEL_TYPES = [
+    *VALID_LORA_TYPES,
+    'textualinversion',
+    'checkpoint',
+]
+
 # Auto-organize settings
 AUTO_ORGANIZE_BATCH_SIZE = 50  # Process models in batches to avoid overwhelming the system
 

py/utils/example_images_download_manager.py

@@ -1,18 +1,24 @@
 from __future__ import annotations
 
-import logging
-import os
 import asyncio
 import json
 import time
+import logging
+import os
+import shutil
 from typing import Any, Dict
 
 from ..services.service_registry import ServiceRegistry
+from ..utils.example_images_paths import (
+    ExampleImagePathResolver,
+    ensure_library_root_exists,
+    uses_library_scoped_folders,
+)
 from ..utils.metadata_manager import MetadataManager
 from .example_images_processor import ExampleImagesProcessor
 from .example_images_metadata import MetadataUpdater
 from ..services.downloader import get_downloader
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 
 
 class ExampleImagesDownloadError(RuntimeError):
@@ -74,6 +80,22 @@ class _DownloadProgress(dict):
         snapshot['failed_models'] = list(self['failed_models'])
         return snapshot
 
+
+def _model_directory_has_files(path: str) -> bool:
+    """Return True when the provided directory exists and contains entries."""
+
+    if not path or not os.path.isdir(path):
+        return False
+
+    try:
+        with os.scandir(path) as entries:
+            for _ in entries:
+                return True
+    except OSError:
+        return False
+
+    return False
+
 class DownloadManager:
     """Manages downloading example images for models."""
 
@@ -84,6 +106,12 @@ class DownloadManager:
         self._ws_manager = ws_manager
         self._state_lock = state_lock or asyncio.Lock()
 
+    def _resolve_output_dir(self, library_name: str | None = None) -> str:
+        base_path = get_settings_manager().get('example_images_path')
+        if not base_path:
+            return ''
+        return ensure_library_root_exists(library_name)
+
     async def start_download(self, options: dict):
         """Start downloading example images for models."""
 
@@ -98,9 +126,10 @@ class DownloadManager:
                 model_types = data.get('model_types', ['lora', 'checkpoint'])
                 delay = float(data.get('delay', 0.2))
 
-                output_dir = settings.get('example_images_path')
+                settings_manager = get_settings_manager()
+                base_path = settings_manager.get('example_images_path')
 
-                if not output_dir:
+                if not base_path:
                     error_msg = 'Example images path not configured in settings'
                     if auto_mode:
                         logger.debug(error_msg)
@@ -110,7 +139,10 @@ class DownloadManager:
                         }
                     raise DownloadConfigurationError(error_msg)
 
-                os.makedirs(output_dir, exist_ok=True)
+                active_library = get_settings_manager().get_active_library_name()
+                output_dir = self._resolve_output_dir(active_library)
+                if not output_dir:
+                    raise DownloadConfigurationError('Example images path not configured in settings')
 
                 self._progress.reset()
                 self._progress['status'] = 'running'
@@ -118,9 +150,31 @@ class DownloadManager:
                 self._progress['end_time'] = None
 
                 progress_file = os.path.join(output_dir, '.download_progress.json')
-                if os.path.exists(progress_file):
+                progress_source = progress_file
+                if uses_library_scoped_folders():
+                    legacy_root = get_settings_manager().get('example_images_path') or ''
+                    legacy_progress = os.path.join(legacy_root, '.download_progress.json') if legacy_root else ''
+                    if legacy_progress and os.path.exists(legacy_progress) and not os.path.exists(progress_file):
+                        try:
+                            os.makedirs(output_dir, exist_ok=True)
+                            shutil.move(legacy_progress, progress_file)
+                            logger.info(
+                                "Migrated legacy download progress file '%s' to '%s'",
+                                legacy_progress,
+                                progress_file,
+                            )
+                        except OSError as exc:
+                            logger.warning(
+                                "Failed to migrate download progress file from '%s' to '%s': %s",
+                                legacy_progress,
+                                progress_file,
+                                exc,
+                            )
+                            progress_source = legacy_progress
+
+                if os.path.exists(progress_source):
                     try:
-                        with open(progress_file, 'r', encoding='utf-8') as f:
+                        with open(progress_source, 'r', encoding='utf-8') as f:
                             saved_progress = json.load(f)
                             self._progress['processed_models'] = set(saved_progress.get('processed_models', []))
                             self._progress['failed_models'] = set(saved_progress.get('failed_models', []))
@@ -143,11 +197,17 @@ class DownloadManager:
                         output_dir,
                         optimize,
                         model_types,
-                        delay
+                        delay,
+                        active_library,
                     )
                 )
 
                 snapshot = self._progress.snapshot()
+            except ExampleImagesDownloadError:
+                # Re-raise our own exception types without wrapping
+                self._is_downloading = False
+                self._download_task = None
+                raise
             except Exception as e:
                 self._is_downloading = False
                 self._download_task = None
@@ -208,7 +268,14 @@ class DownloadManager:
             'message': 'Download resumed'
         }
     
-    async def _download_all_example_images(self, output_dir, optimize, model_types, delay):
+    async def _download_all_example_images(
+        self,
+        output_dir,
+        optimize,
+        model_types,
+        delay,
+        library_name,
+    ):
         """Download example images for all models."""
 
         downloader = await get_downloader()
@@ -246,8 +313,13 @@ class DownloadManager:
             for i, (scanner_type, model, scanner) in enumerate(all_models):
                 # Main logic for processing model is here, but actual operations are delegated to other classes
                 was_remote_download = await self._process_model(
-                    scanner_type, model, scanner,
-                    output_dir, optimize, downloader
+                    scanner_type,
+                    model,
+                    scanner,
+                    output_dir,
+                    optimize,
+                    downloader,
+                    library_name,
                 )
                 
                 # Update progress
@@ -289,7 +361,16 @@ class DownloadManager:
                 self._is_downloading = False
                 self._download_task = None
     
-    async def _process_model(self, scanner_type, model, scanner, output_dir, optimize, downloader):
+    async def _process_model(
+        self,
+        scanner_type,
+        model,
+        scanner,
+        output_dir,
+        optimize,
+        downloader,
+        library_name,
+    ):
         """Process a single model download."""
 
         # Check if download is paused
@@ -316,20 +397,35 @@ class DownloadManager:
                 logger.debug(f"Skipping known failed model: {model_name}")
                 return False
             
+            model_dir = ExampleImagePathResolver.get_model_folder(model_hash, library_name)
+            existing_files = _model_directory_has_files(model_dir)
+
             # Skip if already processed AND directory exists with files
             if model_hash in self._progress['processed_models']:
-                model_dir = os.path.join(output_dir, model_hash)
-                has_files = os.path.exists(model_dir) and any(os.listdir(model_dir))
-                if has_files:
+                if existing_files:
                     logger.debug(f"Skipping already processed model: {model_name}")
                     return False
-                else:
-                    logger.info(f"Model {model_name} marked as processed but folder empty or missing, reprocessing")
-                    # Remove from processed models since we need to reprocess
-                    self._progress['processed_models'].discard(model_hash)
-            
+                logger.info(f"Model {model_name} marked as processed but folder empty or missing, reprocessing")
+                # Remove from processed models since we need to reprocess
+                self._progress['processed_models'].discard(model_hash)
+
+            if existing_files and model_hash not in self._progress['processed_models']:
+                logger.debug(
+                    "Model folder already populated for %s, marking as processed without download",
+                    model_name,
+                )
+                self._progress['processed_models'].add(model_hash)
+                return False
+
+            if not model_dir:
+                logger.warning(
+                    "Unable to resolve example images folder for model %s (%s)",
+                    model_name,
+                    model_hash,
+                )
+                return False
+
             # Create model directory
-            model_dir = os.path.join(output_dir, model_hash)
             os.makedirs(model_dir, exist_ok=True)
             
             # First check for local example images - local processing doesn't need delay
@@ -345,14 +441,20 @@ class DownloadManager:
                 self._progress['processed_models'].add(model_hash)
                 return False  # Return False to indicate no remote download happened
             
+            full_model = await MetadataUpdater.get_updated_model(
+                model_hash, scanner
+            )
+            civitai_payload = (full_model or {}).get('civitai') if full_model else None
+            civitai_payload = civitai_payload or {}
+
             # If no local images, try to download from remote
-            elif model.get('civitai') and model.get('civitai', {}).get('images'):
-                images = model.get('civitai', {}).get('images', [])
-                
+            if civitai_payload.get('images'):
+                images = civitai_payload.get('images', [])
+
                 success, is_stale = await ExampleImagesProcessor.download_model_images(
                     model_hash, model_name, images, model_dir, optimize, downloader
                 )
-                
+
                 # If metadata is stale, try to refresh it
                 if is_stale and model_hash not in self._progress['refreshed_models']:
                     await MetadataUpdater.refresh_model_metadata(
@@ -363,16 +465,18 @@ class DownloadManager:
                     updated_model = await MetadataUpdater.get_updated_model(
                         model_hash, scanner
                     )
+                    updated_civitai = (updated_model or {}).get('civitai') if updated_model else None
+                    updated_civitai = updated_civitai or {}
 
-                    if updated_model and updated_model.get('civitai', {}).get('images'):
+                    if updated_civitai.get('images'):
                         # Retry download with updated metadata
-                        updated_images = updated_model.get('civitai', {}).get('images', [])
+                        updated_images = updated_civitai.get('images', [])
                         success, _ = await ExampleImagesProcessor.download_model_images(
                             model_hash, model_name, updated_images, model_dir, optimize, downloader
                         )
 
                     self._progress['refreshed_models'].add(model_hash)
-                
+
                 # Mark as processed if successful, or as failed if unsuccessful after refresh
                 if success:
                     self._progress['processed_models'].add(model_hash)
@@ -381,13 +485,13 @@ class DownloadManager:
                     if model_hash in self._progress['refreshed_models']:
                         self._progress['failed_models'].add(model_hash)
                         logger.info(f"Marking model {model_name} as failed after metadata refresh")
-                    
+
                 return True  # Return True to indicate a remote download happened
             else:
                 # No civitai data or images available, mark as failed to avoid future attempts
                 self._progress['failed_models'].add(model_hash)
                 logger.debug(f"No civitai images available for model {model_name}, marking as failed")
-            
+
             # Save progress periodically
             if self._progress['completed'] % 10 == 0 or self._progress['completed'] == self._progress['total'] - 1:
                 self._save_progress(output_dir)
@@ -452,13 +556,16 @@ class DownloadManager:
             if not model_hashes:
                 raise DownloadConfigurationError('Missing model_hashes parameter')
 
-            output_dir = settings.get('example_images_path')
+            settings_manager = get_settings_manager()
+            base_path = settings_manager.get('example_images_path')
 
+            if not base_path:
+                raise DownloadConfigurationError('Example images path not configured in settings')
+            active_library = settings_manager.get_active_library_name()
+            output_dir = self._resolve_output_dir(active_library)
             if not output_dir:
                 raise DownloadConfigurationError('Example images path not configured in settings')
 
-            os.makedirs(output_dir, exist_ok=True)
-
             self._progress.reset()
             self._progress['total'] = len(model_hashes)
             self._progress['status'] = 'running'
@@ -475,7 +582,8 @@ class DownloadManager:
                 output_dir,
                 optimize,
                 model_types,
-                delay
+                delay,
+                active_library,
             )
 
             async with self._state_lock:
@@ -494,7 +602,15 @@ class DownloadManager:
             await self._broadcast_progress(status='error', extra={'error': str(e)})
             raise ExampleImagesDownloadError(str(e)) from e
     
-    async def _download_specific_models_example_images_sync(self, model_hashes, output_dir, optimize, model_types, delay):
+    async def _download_specific_models_example_images_sync(
+        self,
+        model_hashes,
+        output_dir,
+        optimize,
+        model_types,
+        delay,
+        library_name,
+    ):
         """Download example images for specific models only - synchronous version."""
 
         downloader = await get_downloader()
@@ -535,8 +651,13 @@ class DownloadManager:
             for i, (scanner_type, model, scanner) in enumerate(models_to_process):
                 # Force process this model regardless of previous status
                 was_successful = await self._process_specific_model(
-                    scanner_type, model, scanner,
-                    output_dir, optimize, downloader
+                    scanner_type,
+                    model,
+                    scanner,
+                    output_dir,
+                    optimize,
+                    downloader,
+                    library_name,
                 )
                 
                 if was_successful:
@@ -588,7 +709,16 @@ class DownloadManager:
             # No need to close any sessions since we use the global downloader
             pass
     
-    async def _process_specific_model(self, scanner_type, model, scanner, output_dir, optimize, downloader):
+    async def _process_specific_model(
+        self,
+        scanner_type,
+        model,
+        scanner,
+        output_dir,
+        optimize,
+        downloader,
+        library_name,
+    ):
         """Process a specific model for forced download, ignoring previous download status."""
 
         # Check if download is paused
@@ -610,8 +740,15 @@ class DownloadManager:
             self._progress['current_model'] = f"{model_name} ({model_hash[:8]})"
             await self._broadcast_progress(status='running')
             
-            # Create model directory
-            model_dir = os.path.join(output_dir, model_hash)
+            model_dir = ExampleImagePathResolver.get_model_folder(model_hash, library_name)
+            if not model_dir:
+                logger.warning(
+                    "Unable to resolve example images folder for model %s (%s)",
+                    model_name,
+                    model_hash,
+                )
+                return False
+
             os.makedirs(model_dir, exist_ok=True)
             
             # First check for local example images - local processing doesn't need delay
@@ -627,51 +764,61 @@ class DownloadManager:
                 self._progress['processed_models'].add(model_hash)
                 return False  # Return False to indicate no remote download happened
             
+            full_model = await MetadataUpdater.get_updated_model(
+                model_hash, scanner
+            )
+            civitai_payload = (full_model or {}).get('civitai') if full_model else None
+            civitai_payload = civitai_payload or {}
+
             # If no local images, try to download from remote
-            elif model.get('civitai') and model.get('civitai', {}).get('images'):
-                images = model.get('civitai', {}).get('images', [])
-                
+            if civitai_payload.get('images'):
+                images = civitai_payload.get('images', [])
+
                 success, is_stale, failed_images = await ExampleImagesProcessor.download_model_images_with_tracking(
                     model_hash, model_name, images, model_dir, optimize, downloader
                 )
-                
+
                 # If metadata is stale, try to refresh it
                 if is_stale and model_hash not in self._progress['refreshed_models']:
                     await MetadataUpdater.refresh_model_metadata(
                         model_hash, model_name, scanner_type, scanner, self._progress
                     )
-                    
+
                     # Get the updated model data
                     updated_model = await MetadataUpdater.get_updated_model(
                         model_hash, scanner
                     )
-                    
-                    if updated_model and updated_model.get('civitai', {}).get('images'):
+                    updated_civitai = (updated_model or {}).get('civitai') if updated_model else None
+                    updated_civitai = updated_civitai or {}
+
+                    if updated_civitai.get('images'):
                         # Retry download with updated metadata
-                        updated_images = updated_model.get('civitai', {}).get('images', [])
+                        updated_images = updated_civitai.get('images', [])
                         success, _, additional_failed_images = await ExampleImagesProcessor.download_model_images_with_tracking(
                             model_hash, model_name, updated_images, model_dir, optimize, downloader
                         )
-                        
+
                         # Combine failed images from both attempts
                         failed_images.extend(additional_failed_images)
-                    
+
                     self._progress['refreshed_models'].add(model_hash)
-                
+
                 # For forced downloads, remove failed images from metadata
                 if failed_images:
                     # Create a copy of images excluding failed ones
                     await self._remove_failed_images_from_metadata(
                         model_hash, model_name, failed_images, scanner
                     )
-                
+
                 # Mark as processed
                 if success or failed_images:  # Mark as processed if we successfully downloaded some images or removed failed ones
                     self._progress['processed_models'].add(model_hash)
-                    
+
                 return True  # Return True to indicate a remote download happened
             else:
                 logger.debug(f"No civitai images available for model {model_name}")
+
+
                 return False
                 
         except Exception as e:

py/utils/example_images_file_manager.py

@@ -3,7 +3,11 @@ import os
 import sys
 import subprocess
 from aiohttp import web
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
+from ..utils.example_images_paths import (
+    get_model_folder,
+    get_model_relative_path,
+)
 from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
 
 logger = logging.getLogger(__name__)
@@ -33,7 +37,8 @@ class ExampleImagesFileManager:
                 }, status=400)
             
             # Get example images path from settings
-            example_images_path = settings.get('example_images_path')
+            settings_manager = get_settings_manager()
+            example_images_path = settings_manager.get('example_images_path')
             if not example_images_path:
                 return web.json_response({
                     'success': False,
@@ -41,8 +46,12 @@ class ExampleImagesFileManager:
                 }, status=400)
             
             # Construct folder path for this model
-            model_folder = os.path.join(example_images_path, model_hash)
-            model_folder = os.path.abspath(model_folder)  # Get absolute path
+            model_folder = get_model_folder(model_hash)
+            if not model_folder:
+                return web.json_response({
+                    'success': False,
+                    'error': 'Failed to resolve example images folder for this model.'
+                }, status=500)
 
             # Path validation: ensure model_folder is under example_images_path
             if not model_folder.startswith(os.path.abspath(example_images_path)):
@@ -101,7 +110,8 @@ class ExampleImagesFileManager:
                 }, status=400)
             
             # Get example images path from settings
-            example_images_path = settings.get('example_images_path')
+            settings_manager = get_settings_manager()
+            example_images_path = settings_manager.get('example_images_path')
             if not example_images_path:
                 return web.json_response({
                     'success': False,
@@ -109,8 +119,13 @@ class ExampleImagesFileManager:
                 }, status=400)
             
             # Construct folder path for this model
-            model_folder = os.path.join(example_images_path, model_hash)
-            
+            model_folder = get_model_folder(model_hash)
+            if not model_folder:
+                return web.json_response({
+                    'success': False,
+                    'error': 'Failed to resolve example images folder for this model'
+                }, status=500)
+
             # Check if folder exists
             if not os.path.exists(model_folder):
                 return web.json_response({
@@ -128,9 +143,10 @@ class ExampleImagesFileManager:
                     file_ext = os.path.splitext(file)[1].lower()
                     if (file_ext in SUPPORTED_MEDIA_EXTENSIONS['images'] or 
                         file_ext in SUPPORTED_MEDIA_EXTENSIONS['videos']):
+                        relative_path = get_model_relative_path(model_hash)
                         files.append({
                             'name': file,
-                            'path': f'/example_images_static/{model_hash}/{file}',
+                            'path': f'/example_images_static/{relative_path}/{file}',
                             'extension': file_ext,
                             'is_video': file_ext in SUPPORTED_MEDIA_EXTENSIONS['videos']
                         })
@@ -169,15 +185,21 @@ class ExampleImagesFileManager:
                 }, status=400)
             
             # Get example images path from settings
-            example_images_path = settings.get('example_images_path')
+            settings_manager = get_settings_manager()
+            example_images_path = settings_manager.get('example_images_path')
             if not example_images_path:
                 return web.json_response({
                     'has_images': False
                 })
             
             # Construct folder path for this model
-            model_folder = os.path.join(example_images_path, model_hash)
-            
+            model_folder = get_model_folder(model_hash)
+            if not model_folder:
+                return web.json_response({
+                    'has_images': False,
+                    'error': 'Failed to resolve example images folder for this model'
+                })
+
             # Check if folder exists
             if not os.path.exists(model_folder) or not os.path.isdir(model_folder):
                 return web.json_response({

py/utils/example_images_metadata.py

@@ -1,12 +1,13 @@
 import logging
 import os
 import re
+from typing import TYPE_CHECKING, Any, Dict, Optional
 
 from ..recipes.constants import GEN_PARAM_KEYS
 from ..services.metadata_service import get_default_metadata_provider, get_metadata_provider
 from ..services.metadata_sync_service import MetadataSyncService
 from ..services.preview_asset_service import PreviewAssetService
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 from ..services.downloader import get_downloader
 from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
 from ..utils.exif_utils import ExifUtils
@@ -20,13 +21,46 @@ _preview_service = PreviewAssetService(
     exif_utils=ExifUtils,
 )
 
-_metadata_sync_service = MetadataSyncService(
-    metadata_manager=MetadataManager,
-    preview_service=_preview_service,
-    settings=settings,
-    default_metadata_provider_factory=get_default_metadata_provider,
-    metadata_provider_selector=get_metadata_provider,
-)
+_metadata_sync_service: MetadataSyncService | None = None
+_metadata_sync_service_settings: Optional["SettingsManager"] = None
+
+if TYPE_CHECKING:  # pragma: no cover - import for type checkers only
+    from ..services.settings_manager import SettingsManager
+
+
+def _build_metadata_sync_service(settings_manager: "SettingsManager") -> MetadataSyncService:
+    """Construct a metadata sync service bound to the provided settings."""
+
+    return MetadataSyncService(
+        metadata_manager=MetadataManager,
+        preview_service=_preview_service,
+        settings=settings_manager,
+        default_metadata_provider_factory=get_default_metadata_provider,
+        metadata_provider_selector=get_metadata_provider,
+    )
+
+
+def _get_metadata_sync_service() -> MetadataSyncService:
+    """Return the shared metadata sync service, initialising it lazily."""
+
+    global _metadata_sync_service, _metadata_sync_service_settings
+
+    settings_manager = get_settings_manager()
+
+    if isinstance(_metadata_sync_service, MetadataSyncService):
+        if _metadata_sync_service_settings is not settings_manager:
+            _metadata_sync_service = _build_metadata_sync_service(settings_manager)
+            _metadata_sync_service_settings = settings_manager
+    elif _metadata_sync_service is None:
+        _metadata_sync_service = _build_metadata_sync_service(settings_manager)
+        _metadata_sync_service_settings = settings_manager
+    else:
+        # Tests may inject stand-ins that do not match the sync service type. Preserve
+        # those injections while still updating our cached settings reference so the
+        # next real service instantiation uses the current configuration.
+        _metadata_sync_service_settings = settings_manager
+
+    return _metadata_sync_service
 
 
 class MetadataUpdater:
@@ -71,7 +105,8 @@ class MetadataUpdater:
             async def update_cache_func(old_path, new_path, metadata):
                 return await scanner.update_single_model_cache(old_path, new_path, metadata)
             
-            success, error = await _metadata_sync_service.fetch_and_update_model(
+            await MetadataManager.hydrate_model_data(model_data)
+            success, error = await _get_metadata_sync_service().fetch_and_update_model(
                 sha256=model_hash,
                 file_path=file_path,
                 model_data=model_data,
@@ -95,21 +130,35 @@ class MetadataUpdater:
     
     @staticmethod
     async def get_updated_model(model_hash, scanner):
-        """Get updated model data
-        
-        Args:
-            model_hash: SHA256 hash of the model
-            scanner: Scanner instance
-            
-        Returns:
-            dict: Updated model data or None if not found
-        """
+        """Load the most recent metadata for a model identified by hash."""
         cache = await scanner.get_cached_data()
+        target = None
         for item in cache.raw_data:
             if item.get('sha256') == model_hash:
-                return item
-        return None
-    
+                target = item
+                break
+
+        if not target:
+            return None
+
+        file_path = target.get('file_path')
+        if not file_path:
+            return target
+
+        model_cls = getattr(scanner, 'model_class', None)
+        if model_cls is None:
+            metadata, should_skip = await MetadataManager.load_metadata(file_path)
+        else:
+            metadata, should_skip = await MetadataManager.load_metadata(file_path, model_cls)
+
+        if should_skip or metadata is None:
+            return target
+
+        rich_metadata = metadata.to_dict()
+        rich_metadata.setdefault('folder', target.get('folder', ''))
+        return rich_metadata
+
+
     @staticmethod
     async def update_metadata_from_local_examples(model_hash, model, scanner_type, scanner, model_dir):
         """Update model metadata with local example image information
@@ -137,16 +186,16 @@ class MetadataUpdater:
                         if is_supported:
                             local_images_paths.append(file_path)
             
+            await MetadataManager.hydrate_model_data(model)
+            civitai_data = model.setdefault('civitai', {})
+
             # Check if metadata update is needed (no civitai field or empty images)
-            needs_update = not model.get('civitai') or not model.get('civitai', {}).get('images')
+            needs_update = not civitai_data or not civitai_data.get('images')
             
             if needs_update and local_images_paths:
                 logger.debug(f"Found {len(local_images_paths)} local example images for {model.get('model_name')}, updating metadata")
                 
                 # Create or get civitai field
-                if not model.get('civitai'):
-                    model['civitai'] = {}
-                
                 # Create images array
                 images = []
                 
@@ -181,16 +230,13 @@ class MetadataUpdater:
                     images.append(image_entry)
                 
                 # Update the model's civitai.images field
-                model['civitai']['images'] = images
+                civitai_data['images'] = images
                 
                 # Save metadata to .metadata.json file
                 file_path = model.get('file_path')
                 try:
-                    # Create a copy of model data without 'folder' field
                     model_copy = model.copy()
                     model_copy.pop('folder', None)
-                    
-                    # Write metadata to file
                     await MetadataManager.save_metadata(file_path, model_copy)
                     logger.info(f"Saved metadata for {model.get('model_name')}")
                 except Exception as e:
@@ -223,16 +269,13 @@ class MetadataUpdater:
             tuple: (regular_images, custom_images) - Both image arrays
         """
         try:
-            # Ensure civitai field exists in model_data
-            if not model_data.get('civitai'):
-                model_data['civitai'] = {}
-            
-            # Ensure customImages array exists
-            if not model_data['civitai'].get('customImages'):
-                model_data['civitai']['customImages'] = []
-            
-            # Get current customImages array
-            custom_images = model_data['civitai']['customImages']
+            await MetadataManager.hydrate_model_data(model_data)
+            civitai_data = model_data.setdefault('civitai', {})
+            custom_images = civitai_data.get('customImages')
+
+            if not isinstance(custom_images, list):
+                custom_images = []
+                civitai_data['customImages'] = custom_images
             
             # Add new image entry for each imported file
             for path_tuple in newly_imported_paths:
@@ -290,11 +333,8 @@ class MetadataUpdater:
             file_path = model_data.get('file_path')
             if file_path:
                 try:
-                    # Create a copy of model data without 'folder' field
                     model_copy = model_data.copy()
                     model_copy.pop('folder', None)
-                    
-                    # Write metadata to file
                     await MetadataManager.save_metadata(file_path, model_copy)
                     logger.info(f"Saved metadata for {model_data.get('model_name')}")
                 except Exception as e:
@@ -305,7 +345,7 @@ class MetadataUpdater:
                 await scanner.update_single_model_cache(file_path, file_path, model_data)
             
             # Get regular images array (might be None)
-            regular_images = model_data['civitai'].get('images', [])
+            regular_images = civitai_data.get('images', [])
             
             # Return both image arrays
             return regular_images, custom_images

py/utils/example_images_migration.py

@@ -3,8 +3,9 @@ import logging
 import os
 import re
 import json
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 from ..services.service_registry import ServiceRegistry
+from ..utils.example_images_paths import iter_library_roots
 from ..utils.metadata_manager import MetadataManager
 from ..utils.example_images_processor import ExampleImagesProcessor
 from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
@@ -13,35 +14,60 @@ logger = logging.getLogger(__name__)
 
 CURRENT_NAMING_VERSION = 2  # Increment this when naming conventions change
 
+
+class _SettingsProxy:
+    def __init__(self):
+        self._manager = None
+
+    def _resolve(self):
+        if self._manager is None:
+            self._manager = get_settings_manager()
+        return self._manager
+
+    def get(self, *args, **kwargs):
+        return self._resolve().get(*args, **kwargs)
+
+    def __getattr__(self, item):
+        return getattr(self._resolve(), item)
+
+
+settings = _SettingsProxy()
+
 class ExampleImagesMigration:
     """Handles migrations for example images naming conventions"""
     
     @staticmethod
     async def check_and_run_migrations():
         """Check if migrations are needed and run them in background"""
-        example_images_path = settings.get('example_images_path')
-        if not example_images_path or not os.path.exists(example_images_path):
+        root = settings.get('example_images_path')
+        if not root or not os.path.exists(root):
             logger.debug("No example images path configured or path doesn't exist, skipping migrations")
             return
-        
-        # Check current version from progress file
-        current_version = 0
-        progress_file = os.path.join(example_images_path, '.download_progress.json')
-        if os.path.exists(progress_file):
-            try:
-                with open(progress_file, 'r', encoding='utf-8') as f:
-                    progress_data = json.load(f)
-                    current_version = progress_data.get('naming_version', 0)
-            except Exception as e:
-                logger.error(f"Failed to load progress file for migration check: {e}")
-        
-        # If current version is less than target version, start migration
-        if current_version < CURRENT_NAMING_VERSION:
-            logger.info(f"Starting example images naming migration from v{current_version} to v{CURRENT_NAMING_VERSION}")
-            # Start migration in background task
-            asyncio.create_task(
-                ExampleImagesMigration.run_migrations(example_images_path, current_version, CURRENT_NAMING_VERSION)
-            )
+
+        for library_name, library_path in iter_library_roots():
+            if not library_path or not os.path.exists(library_path):
+                continue
+
+            current_version = 0
+            progress_file = os.path.join(library_path, '.download_progress.json')
+            if os.path.exists(progress_file):
+                try:
+                    with open(progress_file, 'r', encoding='utf-8') as f:
+                        progress_data = json.load(f)
+                        current_version = progress_data.get('naming_version', 0)
+                except Exception as e:
+                    logger.error(f"Failed to load progress file for migration check: {e}")
+
+            if current_version < CURRENT_NAMING_VERSION:
+                logger.info(
+                    "Starting example images naming migration from v%s to v%s for library '%s'",
+                    current_version,
+                    CURRENT_NAMING_VERSION,
+                    library_name,
+                )
+                asyncio.create_task(
+                    ExampleImagesMigration.run_migrations(library_path, current_version, CURRENT_NAMING_VERSION)
+                )
     
     @staticmethod
     async def run_migrations(example_images_path, from_version, to_version):

py/utils/example_images_paths.py

@@ -0,0 +1,226 @@
+"""Utility helpers for resolving example image storage paths."""
+
+from __future__ import annotations
+
+import logging
+import os
+import re
+import shutil
+from typing import Iterable, List, Optional, Tuple
+
+from ..services.settings_manager import get_settings_manager
+
+_HEX_PATTERN = re.compile(r"[a-fA-F0-9]{64}")
+
+logger = logging.getLogger(__name__)
+
+
+def _get_configured_libraries() -> List[str]:
+    """Return configured library names if multi-library support is enabled."""
+
+    settings_manager = get_settings_manager()
+    libraries = settings_manager.get("libraries")
+    if isinstance(libraries, dict) and libraries:
+        return list(libraries.keys())
+    return []
+
+
+def get_example_images_root() -> str:
+    """Return the root directory configured for example images."""
+
+    settings_manager = get_settings_manager()
+    root = settings_manager.get("example_images_path") or ""
+    return os.path.abspath(root) if root else ""
+
+
+def uses_library_scoped_folders() -> bool:
+    """Return True when example images should be separated per library."""
+
+    libraries = _get_configured_libraries()
+    return len(libraries) > 1
+
+
+def sanitize_library_name(library_name: Optional[str]) -> str:
+    """Return a filesystem safe library name."""
+
+    settings_manager = get_settings_manager()
+    name = library_name or settings_manager.get_active_library_name() or "default"
+    safe_name = re.sub(r"[^A-Za-z0-9_.-]", "_", name)
+    return safe_name or "default"
+
+
+def get_library_root(library_name: Optional[str] = None) -> str:
+    """Return the directory where a library's example images should live."""
+
+    root = get_example_images_root()
+    if not root:
+        return ""
+
+    if uses_library_scoped_folders():
+        return os.path.join(root, sanitize_library_name(library_name))
+    return root
+
+
+def ensure_library_root_exists(library_name: Optional[str] = None) -> str:
+    """Ensure the example image directory for a library exists and return it."""
+
+    library_root = get_library_root(library_name)
+    if library_root:
+        os.makedirs(library_root, exist_ok=True)
+    return library_root
+
+
+def get_model_folder(model_hash: str, library_name: Optional[str] = None) -> str:
+    """Return the folder path for a model's example images."""
+
+    if not model_hash:
+        return ""
+
+    library_root = ensure_library_root_exists(library_name)
+    if not library_root:
+        return ""
+
+    normalized_hash = (model_hash or "").lower()
+    resolved_folder = os.path.join(library_root, normalized_hash)
+
+    if uses_library_scoped_folders():
+        legacy_root = get_example_images_root()
+        legacy_folder = os.path.join(legacy_root, normalized_hash)
+        if os.path.exists(legacy_folder) and not os.path.exists(resolved_folder):
+            try:
+                os.makedirs(library_root, exist_ok=True)
+                shutil.move(legacy_folder, resolved_folder)
+                logger.info(
+                    "Migrated legacy example images folder '%s' to '%s'", legacy_folder, resolved_folder
+                )
+            except OSError as exc:
+                logger.error(
+                    "Failed to migrate example images from '%s' to '%s': %s",
+                    legacy_folder,
+                    resolved_folder,
+                    exc,
+                )
+                return legacy_folder
+
+    return resolved_folder
+
+
+class ExampleImagePathResolver:
+    """Convenience wrapper exposing example image path helpers."""
+
+    @staticmethod
+    def get_model_folder(model_hash: str, library_name: Optional[str] = None) -> str:
+        """Return the example image folder for a model, migrating legacy paths."""
+
+        return get_model_folder(model_hash, library_name)
+
+    @staticmethod
+    def get_library_root(library_name: Optional[str] = None) -> str:
+        """Return the configured library root for example images."""
+
+        return get_library_root(library_name)
+
+    @staticmethod
+    def ensure_library_root_exists(library_name: Optional[str] = None) -> str:
+        """Ensure the library root exists before writing files."""
+
+        return ensure_library_root_exists(library_name)
+
+    @staticmethod
+    def get_model_relative_path(model_hash: str, library_name: Optional[str] = None) -> str:
+        """Return the relative path to a model folder from the static mount point."""
+
+        return get_model_relative_path(model_hash, library_name)
+
+
+def get_model_relative_path(model_hash: str, library_name: Optional[str] = None) -> str:
+    """Return the relative URL path from the static mount to a model folder."""
+
+    root = get_example_images_root()
+    folder = get_model_folder(model_hash, library_name)
+    if not root or not folder:
+        return ""
+
+    try:
+        relative = os.path.relpath(folder, root)
+    except ValueError:
+        return ""
+
+    return relative.replace("\\", "/")
+
+
+def iter_library_roots() -> Iterable[Tuple[str, str]]:
+    """Yield configured library names and their resolved filesystem roots."""
+
+    root = get_example_images_root()
+    if not root:
+        return []
+
+    libraries = _get_configured_libraries()
+    if uses_library_scoped_folders():
+        results: List[Tuple[str, str]] = []
+        if libraries:
+            for library in libraries:
+                results.append((library, get_library_root(library)))
+        else:
+            # Fall back to the active library to avoid skipping migrations/cleanup
+            settings_manager = get_settings_manager()
+            active = settings_manager.get_active_library_name() or "default"
+            results.append((active, get_library_root(active)))
+        return results
+
+    settings_manager = get_settings_manager()
+    active = settings_manager.get_active_library_name() or "default"
+    return [(active, root)]
+
+
+def is_hash_folder(name: str) -> bool:
+    """Return True if the provided name looks like a model hash folder."""
+
+    return bool(_HEX_PATTERN.fullmatch(name or ""))
+
+
+def is_valid_example_images_root(folder_path: str) -> bool:
+    """Check whether a folder looks like a dedicated example images root."""
+
+    try:
+        items = os.listdir(folder_path)
+    except OSError:
+        return False
+
+    for item in items:
+        item_path = os.path.join(folder_path, item)
+        if item == ".download_progress.json" and os.path.isfile(item_path):
+            continue
+
+        if os.path.isdir(item_path):
+            if is_hash_folder(item):
+                continue
+            if item == "_deleted":
+                # Allow cleanup staging folders
+                continue
+            # When multi-library mode is active we expect nested hash folders
+            if uses_library_scoped_folders():
+                if _library_folder_has_only_hash_dirs(item_path):
+                    continue
+        return False
+
+    return True
+
+
+def _library_folder_has_only_hash_dirs(path: str) -> bool:
+    """Return True when a library subfolder only contains hash folders or metadata files."""
+
+    try:
+        for entry in os.listdir(path):
+            entry_path = os.path.join(path, entry)
+            if entry == ".download_progress.json" and os.path.isfile(entry_path):
+                continue
+            if entry == "_deleted" and os.path.isdir(entry_path):
+                continue
+            if not os.path.isdir(entry_path) or not is_hash_folder(entry):
+                return False
+    except OSError:
+        return False
+
+    return True

py/utils/example_images_processor.py

@@ -6,7 +6,8 @@ import string
 from aiohttp import web
 from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
 from ..services.service_registry import ServiceRegistry
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
+from ..utils.example_images_paths import get_model_folder, get_model_relative_path
 from .example_images_metadata import MetadataUpdater
 from ..utils.metadata_manager import MetadataManager
 
@@ -317,7 +318,7 @@ class ExampleImagesProcessor:
 
         try:
             # Get example images path
-            example_images_path = settings.get('example_images_path')
+            example_images_path = get_settings_manager().get('example_images_path')
             if not example_images_path:
                 raise ExampleImagesValidationError('No example images path configured')
 
@@ -346,7 +347,9 @@ class ExampleImagesProcessor:
                 )
 
             # Create model folder
-            model_folder = os.path.join(example_images_path, model_hash)
+            model_folder = get_model_folder(model_hash)
+            if not model_folder:
+                raise ExampleImagesImportError('Failed to resolve model folder for example images')
             os.makedirs(model_folder, exist_ok=True)
 
             imported_files = []
@@ -383,7 +386,7 @@ class ExampleImagesProcessor:
                     # Add to imported files list
                     imported_files.append({
                         'name': new_filename,
-                        'path': f'/example_images_static/{model_hash}/{new_filename}',
+                        'path': f'/example_images_static/{get_model_relative_path(model_hash)}/{new_filename}',
                         'extension': file_ext,
                         'is_video': file_ext in SUPPORTED_MEDIA_EXTENSIONS['videos']
                     })
@@ -439,7 +442,7 @@ class ExampleImagesProcessor:
                 }, status=400)
             
             # Get example images path
-            example_images_path = settings.get('example_images_path')
+            example_images_path = get_settings_manager().get('example_images_path')
             if not example_images_path:
                 return web.json_response({
                     'success': False,
@@ -472,15 +475,17 @@ class ExampleImagesProcessor:
                     'error': f"Model with hash {model_hash} not found in cache"
                 }, status=404)
             
-            # Check if model has custom images
-            if not model_data.get('civitai', {}).get('customImages'):
+            await MetadataManager.hydrate_model_data(model_data)
+            civitai_data = model_data.setdefault('civitai', {})
+            custom_images = civitai_data.get('customImages')
+
+            if not isinstance(custom_images, list) or not custom_images:
                 return web.json_response({
                     'success': False,
                     'error': f"Model has no custom images"
                 }, status=404)
             
             # Find the custom image with matching short_id
-            custom_images = model_data['civitai']['customImages']
             matching_image = None
             new_custom_images = []
             
@@ -497,7 +502,12 @@ class ExampleImagesProcessor:
                 }, status=404)
             
             # Find and delete the actual file
-            model_folder = os.path.join(example_images_path, model_hash)
+            model_folder = get_model_folder(model_hash)
+            if not model_folder:
+                return web.json_response({
+                    'success': False,
+                    'error': 'Failed to resolve model folder for example images'
+                }, status=500)
             file_deleted = False
             
             if os.path.exists(model_folder):
@@ -519,17 +529,15 @@ class ExampleImagesProcessor:
                 logger.warning(f"File for custom example with id {short_id} not found, but metadata will still be updated")
             
             # Update metadata
-            model_data['civitai']['customImages'] = new_custom_images
+            civitai_data['customImages'] = new_custom_images
+            model_data.setdefault('civitai', {})['customImages'] = new_custom_images
             
             # Save updated metadata to file
             file_path = model_data.get('file_path')
             if file_path:
                 try:
-                    # Create a copy of model data without 'folder' field
                     model_copy = model_data.copy()
                     model_copy.pop('folder', None)
-                    
-                    # Write metadata to file
                     await MetadataManager.save_metadata(file_path, model_copy)
                     logger.debug(f"Saved updated metadata for {model_data.get('model_name')}")
                 except Exception as e:
@@ -543,7 +551,7 @@ class ExampleImagesProcessor:
                 await scanner.update_single_model_cache(file_path, file_path, model_data)
             
             # Get regular images array (might be None)
-            regular_images = model_data['civitai'].get('images', [])
+            regular_images = civitai_data.get('images', [])
             
             return web.json_response({
                 'success': True,
@@ -560,4 +568,4 @@ class ExampleImagesProcessor:
             }, status=500)
 
 
-    
+    

py/utils/exif_utils.py

@@ -4,7 +4,7 @@ import logging
 from typing import Optional
 from io import BytesIO
 import os
-from PIL import Image
+from PIL import Image, PngImagePlugin
 
 logger = logging.getLogger(__name__)
 
@@ -86,9 +86,10 @@ class ExifUtils:
                 
                 # For PNG, try to update parameters directly
                 if img_format == 'PNG':
-                    # We'll save with parameters in the PNG info
-                    info_dict = {'parameters': metadata}
-                    img.save(image_path, format='PNG', pnginfo=info_dict)
+                    # Use PngInfo instead of plain dictionary
+                    png_info = PngImagePlugin.PngInfo()
+                    png_info.add_text("parameters", metadata)
+                    img.save(image_path, format='PNG', pnginfo=png_info)
                     return image_path
                 
                 # For WebP format, use PIL's exif parameter directly

py/utils/metadata_manager.py

@@ -2,7 +2,7 @@ from datetime import datetime
 import os
 import json
 import logging
-from typing import Dict, Optional, Type, Union
+from typing import Any, Dict, Optional, Type, Union
 
 from .models import BaseModelMetadata, LoraMetadata
 from .file_utils import normalize_path, find_preview_file, calculate_sha256
@@ -53,6 +53,70 @@ class MetadataManager:
             error_type = "Invalid JSON" if isinstance(e, json.JSONDecodeError) else "Parse error"
             logger.error(f"{error_type} in metadata file: {metadata_path}. Error: {str(e)}. Skipping model to preserve existing data.")
             return None, True  # should_skip = True
+
+    @staticmethod
+    async def load_metadata_payload(file_path: str) -> Dict:
+        """
+        Load metadata and return it as a dictionary, including any unknown fields.
+        Falls back to reading the raw JSON file if parsing into a model class fails.
+        """
+
+        payload: Dict = {}
+        metadata_obj, should_skip = await MetadataManager.load_metadata(file_path)
+
+        if metadata_obj:
+            payload = metadata_obj.to_dict()
+            unknown_fields = getattr(metadata_obj, "_unknown_fields", None)
+            if isinstance(unknown_fields, dict):
+                payload.update(unknown_fields)
+        else:
+            if not should_skip:
+                metadata_path = (
+                    file_path
+                    if file_path.endswith(".metadata.json")
+                    else f"{os.path.splitext(file_path)[0]}.metadata.json"
+                )
+                if os.path.exists(metadata_path):
+                    try:
+                        with open(metadata_path, "r", encoding="utf-8") as handle:
+                            raw = json.load(handle)
+                        if isinstance(raw, dict):
+                            payload = raw
+                    except json.JSONDecodeError:
+                        logger.warning(
+                            "Failed to parse metadata file %s while loading payload",
+                            metadata_path,
+                        )
+                    except Exception as exc:  # pragma: no cover - defensive logging
+                        logger.warning("Failed to read metadata file %s: %s", metadata_path, exc)
+
+        if not isinstance(payload, dict):
+            payload = {}
+
+        if file_path:
+            payload.setdefault("file_path", normalize_path(file_path))
+
+        return payload
+
+    @staticmethod
+    async def hydrate_model_data(model_data: Dict[str, Any]) -> Dict[str, Any]:
+        """
+        Replace the provided model data with the authoritative payload from disk.
+        Preserves the cached folder entry if present.
+        """
+
+        file_path = model_data.get("file_path")
+        if not file_path:
+            return model_data
+
+        folder = model_data.get("folder")
+        payload = await MetadataManager.load_metadata_payload(file_path)
+        if folder is not None:
+            payload["folder"] = folder
+
+        model_data.clear()
+        model_data.update(payload)
+        return model_data
     
     @staticmethod
     async def save_metadata(path: str, metadata: Union[BaseModelMetadata, Dict]) -> bool:

py/utils/settings_paths.py

@@ -0,0 +1,90 @@
+"""Utilities for locating and migrating the LoRA Manager settings file."""
+
+from __future__ import annotations
+
+import logging
+import os
+import shutil
+from typing import Optional
+
+from platformdirs import user_config_dir
+
+
+APP_NAME = "ComfyUI-LoRA-Manager"
+_LOGGER = logging.getLogger(__name__)
+
+
+def get_project_root() -> str:
+    """Return the root directory of the project repository."""
+
+    return os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
+
+
+def get_legacy_settings_path() -> str:
+    """Return the legacy location of ``settings.json`` within the project tree."""
+
+    return os.path.join(get_project_root(), "settings.json")
+
+
+def get_settings_dir(create: bool = True) -> str:
+    """Return the user configuration directory for the application.
+
+    Args:
+        create: Whether to create the directory if it does not already exist.
+
+    Returns:
+        The absolute path to the user configuration directory.
+    """
+
+    config_dir = user_config_dir(APP_NAME, appauthor=False)
+    if create:
+        os.makedirs(config_dir, exist_ok=True)
+    return config_dir
+
+
+def get_settings_file_path(create_dir: bool = True) -> str:
+    """Return the path to ``settings.json`` in the user configuration directory."""
+
+    return os.path.join(get_settings_dir(create=create_dir), "settings.json")
+
+
+def ensure_settings_file(logger: Optional[logging.Logger] = None) -> str:
+    """Ensure the settings file resides in the user configuration directory.
+
+    If a legacy ``settings.json`` is detected in the project root it is migrated to
+    the platform-specific user configuration folder. The caller receives the path
+    to the settings file irrespective of whether a migration was needed.
+
+    Args:
+        logger: Optional logger used for migration messages. Falls back to a
+            module level logger when omitted.
+
+    Returns:
+        The absolute path to ``settings.json`` in the user configuration folder.
+    """
+
+    logger = logger or _LOGGER
+    target_path = get_settings_file_path(create_dir=True)
+    preferred_dir = user_config_dir(APP_NAME, appauthor=False)
+    preferred_path = os.path.join(preferred_dir, "settings.json")
+
+    if os.path.abspath(target_path) != os.path.abspath(preferred_path):
+        os.makedirs(preferred_dir, exist_ok=True)
+        target_path = preferred_path
+    legacy_path = get_legacy_settings_path()
+
+    if os.path.exists(legacy_path) and not os.path.exists(target_path):
+        try:
+            os.makedirs(os.path.dirname(target_path), exist_ok=True)
+            shutil.move(legacy_path, target_path)
+            logger.info("Migrated settings.json to %s", target_path)
+        except Exception as exc:  # pragma: no cover - defensive fallback path
+            logger.warning("Failed to move legacy settings.json: %s", exc)
+            try:
+                shutil.copy2(legacy_path, target_path)
+                logger.info("Copied legacy settings.json to %s", target_path)
+            except Exception as copy_exc:  # pragma: no cover - defensive fallback path
+                logger.error("Could not migrate settings.json: %s", copy_exc)
+
+    return target_path
+

py/utils/usage_stats.py

@@ -11,11 +11,21 @@ from ..config import config
 from ..services.service_registry import ServiceRegistry
 
 # Check if running in standalone mode
-standalone_mode = os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
+standalone_mode = os.environ.get("LORA_MANAGER_STANDALONE", "0") == "1" or os.environ.get("HF_HUB_DISABLE_TELEMETRY", "0") == "0"
+
+# Define constants locally to avoid dependency on conditional imports
+MODELS = "models"
+LORAS = "loras"
 
 if not standalone_mode:
     from ..metadata_collector.metadata_registry import MetadataRegistry
-    from ..metadata_collector.constants import MODELS, LORAS
+    # Import constants from metadata_collector to ensure consistency, but we have fallbacks defined above
+    try:
+        from ..metadata_collector.constants import MODELS as _MODELS, LORAS as _LORAS
+        MODELS = _MODELS
+        LORAS = _LORAS
+    except ImportError:
+        pass  # Use the local definitions
 
 logger = logging.getLogger(__name__)
 

py/utils/utils.py

@@ -3,7 +3,7 @@ import os
 from typing import Dict
 from ..services.service_registry import ServiceRegistry
 from ..config import config
-from ..services.settings_manager import settings
+from ..services.settings_manager import get_settings_manager
 from .constants import CIVITAI_MODEL_TAGS
 import asyncio
 
@@ -143,7 +143,8 @@ def calculate_relative_path_for_model(model_data: Dict, model_type: str = 'lora'
         Relative path string (empty string for flat structure)
     """
     # Get path template from settings for specific model type
-    path_template = settings.get_download_path_template(model_type)
+    settings_manager = get_settings_manager()
+    path_template = settings_manager.get_download_path_template(model_type)
 
     # If template is empty, return empty path (flat structure)
     if not path_template:
@@ -166,7 +167,7 @@ def calculate_relative_path_for_model(model_data: Dict, model_type: str = 'lora'
     model_tags = model_data.get('tags', [])
 
     # Apply mapping if available
-    base_model_mappings = settings.get('base_model_path_mappings', {})
+    base_model_mappings = settings_manager.get('base_model_path_mappings', {})
     mapped_base_model = base_model_mappings.get(base_model, base_model)
 
     # Find the first Civitai model tag that exists in model_tags
@@ -189,6 +190,9 @@ def calculate_relative_path_for_model(model_data: Dict, model_type: str = 'lora'
     formatted_path = formatted_path.replace('{first_tag}', first_tag)
     formatted_path = formatted_path.replace('{author}', author)
 
+    if model_type == 'embedding':
+        formatted_path = formatted_path.replace(' ', '_')
+
     return formatted_path
 
 def remove_empty_dirs(path):

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-lora-manager"
 description = "Revolutionize your workflow with the ultimate LoRA companion for ComfyUI!"
-version = "0.9.4"
+version = "0.9.7"
 license = {file = "LICENSE"}
 dependencies = [
     "aiohttp",
@@ -13,7 +13,8 @@ dependencies = [
     "toml",
     "natsort",
     "GitPython",
-    "aiosqlite"
+    "aiosqlite",
+    "platformdirs"
 ]
 
 [project.urls]

refs/flux_output.json

@@ -1,15 +0,0 @@
-{
-    "loras": "<lora:pp-enchanted-whimsy:0.9> <lora:ral-frctlgmtry_flux:1> <lora:pp-storybook_rank2_bf16:0.8>",
-    "gen_params": {
-        "prompt": "in the style of ppWhimsy, ral-frctlgmtry, ppstorybook,Stylized geek cat artist with glasses and a paintbrush, smiling at the viewer while holding a sign that reads 'Stay tuned!', solid white background",
-        "negative_prompt": "",
-        "steps": "25",
-        "sampler": "dpmpp_2m",
-        "scheduler": "beta",
-        "cfg": "1",
-        "seed": "48",
-        "guidance": 3.5,
-        "size": "896x1152",
-        "clip_skip": "2"
-    }
-}

refs/flux_prompt.json

@@ -1,314 +0,0 @@
-{
-    "6": {
-        "inputs": {
-            "text": [
-                "46",
-                0
-            ],
-            "clip": [
-                "58",
-                1
-            ]
-        },
-        "class_type": "CLIPTextEncode",
-        "_meta": {
-            "title": "CLIP Text Encode (Positive Prompt)"
-        }
-    },
-    "8": {
-        "inputs": {
-            "samples": [
-                "31",
-                0
-            ],
-            "vae": [
-                "39",
-                0
-            ]
-        },
-        "class_type": "VAEDecode",
-        "_meta": {
-            "title": "VAE Decode"
-        }
-    },
-    "27": {
-        "inputs": {
-            "width": 896,
-            "height": 1152,
-            "batch_size": 1
-        },
-        "class_type": "EmptySD3LatentImage",
-        "_meta": {
-            "title": "EmptySD3LatentImage"
-        }
-    },
-    "31": {
-        "inputs": {
-            "seed": 44,
-            "steps": 25,
-            "cfg": 1,
-            "sampler_name": "dpmpp_2m",
-            "scheduler": "beta",
-            "denoise": 1,
-            "model": [
-                "58",
-                0
-            ],
-            "positive": [
-                "35",
-                0
-            ],
-            "negative": [
-                "33",
-                0
-            ],
-            "latent_image": [
-                "27",
-                0
-            ]
-        },
-        "class_type": "KSampler",
-        "_meta": {
-            "title": "KSampler"
-        }
-    },
-    "33": {
-        "inputs": {
-            "text": "",
-            "clip": [
-                "58",
-                1
-            ]
-        },
-        "class_type": "CLIPTextEncode",
-        "_meta": {
-            "title": "CLIP Text Encode (Negative Prompt)"
-        }
-    },
-    "35": {
-        "inputs": {
-            "guidance": 3.5,
-            "conditioning": [
-                "6",
-                0
-            ]
-        },
-        "class_type": "FluxGuidance",
-        "_meta": {
-            "title": "FluxGuidance"
-        }
-    },
-    "37": {
-        "inputs": {
-            "unet_name": "flux\\flux1-dev-fp8-e4m3fn.safetensors",
-            "weight_dtype": "fp8_e4m3fn_fast"
-        },
-        "class_type": "UNETLoader",
-        "_meta": {
-            "title": "Load Diffusion Model"
-        }
-    },
-    "38": {
-        "inputs": {
-            "clip_name1": "t5xxl_fp8_e4m3fn.safetensors",
-            "clip_name2": "clip_l.safetensors",
-            "type": "flux",
-            "device": "default"
-        },
-        "class_type": "DualCLIPLoader",
-        "_meta": {
-            "title": "DualCLIPLoader"
-        }
-    },
-    "39": {
-        "inputs": {
-            "vae_name": "flux1\\ae.safetensors"
-        },
-        "class_type": "VAELoader",
-        "_meta": {
-            "title": "Load VAE"
-        }
-    },
-    "46": {
-        "inputs": {
-            "string1": [
-                "59",
-                0
-            ],
-            "string2": [
-                "51",
-                0
-            ],
-            "delimiter": ","
-        },
-        "class_type": "JoinStrings",
-        "_meta": {
-            "title": "Join Strings"
-        }
-    },
-    "50": {
-        "inputs": {
-            "images": [
-                "8",
-                0
-            ]
-        },
-        "class_type": "PreviewImage",
-        "_meta": {
-            "title": "Preview Image"
-        }
-    },
-    "51": {
-        "inputs": {
-            "string": "Stylized geek cat artist with glasses and a paintbrush, smiling at the viewer while holding a sign that reads 'Stay tuned!', solid white background",
-            "strip_newlines": true
-        },
-        "class_type": "StringConstantMultiline",
-        "_meta": {
-            "title": "positive"
-        }
-    },
-    "58": {
-        "inputs": {
-            "text": "<lora:pp-enchanted-whimsy:0.9><lora:ral-frctlgmtry_flux:1><lora:pp-storybook_rank2_bf16:0.8>",
-            "loras": [
-                {
-                    "name": "pp-enchanted-whimsy",
-                    "strength": "0.90",
-                    "active": false
-                },
-                {
-                    "name": "ral-frctlgmtry_flux",
-                    "strength": "0.85",
-                    "active": false
-                },
-                {
-                    "name": "pp-storybook_rank2_bf16",
-                    "strength": 0.8,
-                    "active": true
-                },
-                {
-                    "name": "__dummy_item1__",
-                    "strength": 0,
-                    "active": false,
-                    "_isDummy": true
-                },
-                {
-                    "name": "__dummy_item2__",
-                    "strength": 0,
-                    "active": false,
-                    "_isDummy": true
-                }
-            ],
-            "model": [
-                "37",
-                0
-            ],
-            "clip": [
-                "38",
-                0
-            ]
-        },
-        "class_type": "Lora Loader (LoraManager)",
-        "_meta": {
-            "title": "Lora Loader (LoraManager)"
-        }
-    },
-    "59": {
-        "inputs": {
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-    "191": {
-        "inputs": {
-            "text": "A cinematic, oil painting masterpiece captures the essence of impressionistic surrealism, inspired by Claude Monet. A mysterious woman in a flowing crimson dress stands at the edge of a tranquil lake, where lily pads shimmer under an ethereal, golden twilight. The water’s surface reflects a dreamlike sky, its swirling hues of violet and sapphire melting together like liquid light. The thick, expressive brushstrokes lend depth to the scene, evoking a sense of nostalgia and quiet longing, as if the world itself is caught between reality and a fleeting dream.  \nA mesmerizing oil painting masterpiece inspired by Salvador Dalí, blending surrealism with post-impressionist texture. A lone violinist plays atop a melting clock tower, his form distorted by the passage of time. The sky is a cascade of swirling, liquid oranges and deep blues, where floating staircases spiral endlessly into the horizon. The impasto technique gives depth and movement to the surreal elements, making time itself feel fluid, as if the world is dissolving into a dream.  \nA stunning impressionistic oil painting evokes the spirit of Edvard Munch, capturing a solitary figure standing on a rain-soaked street, illuminated by the glow of flickering gas lamps. The swirling, chaotic strokes of deep blues and fiery reds reflect the turbulence of emotion, while the blurred reflections in the wet cobblestone suggest a merging of past and present. The faceless figure, draped in a dark overcoat, seems lost in thought, embodying the ephemeral nature of memory and time.  \nA breathtaking oil painting masterpiece, inspired by Gustav Klimt, presents a celestial ballroom where faceless dancers swirl in an eternal waltz beneath a gilded, star-speckled sky. Their golden garments shimmer with intricate patterns, blending into the opulent mosaic floor that seems to stretch into infinity. The dreamlike composition, rich in warm amber and deep sapphire hues, captures an otherworldly elegance, as if the dancers are suspended in a moment that transcends time.  \nA visionary oil painting inspired by Marc Chagall depicts a dreamlike cityscape where gravity ceases to exist. A couple floats above a crimson-tinted town, their forms dissolving into the swirling strokes of a vast, cerulean sky. The buildings below twist and bend in rhythmic motion, their windows glowing like tiny stars. The thick, textured brushwork conveys a sense of weightlessness and wonder, as if love itself has defied the laws of the universe.  \nAn impressionistic oil painting in the style of J.M.W. Turner, depicting a ghostly ship sailing through a sea of swirling golden mist. The waves crash and dissolve into abstract, fiery strokes of orange and deep indigo, blurring the line between ocean and sky. The ship appears almost ethereal, as if drifting between worlds, lost in the ever-changing tides of memory and myth. The dynamic brushstrokes capture the relentless power of nature and the fleeting essence of time.  \nA captivating oil painting masterpiece, infused with surrealist impressionism, portrays a grand library where books float midair, their pages unraveling into ribbons of light. The towering shelves twist into the heavens, vanishing into an infinite, starry void. A lone scholar, illuminated by the glow of a suspended lantern, reaches for a book that seems to pulse with life. The scene pulses with mystery, where the impasto textures bring depth to the interplay between knowledge and dreams.  \nA luminous impressionistic oil painting captures the melancholic beauty of an abandoned carnival, its faded carousel horses frozen mid-gallop beneath a sky of swirling lavender and gold. The wind carries fragments of forgotten laughter through the empty fairground, where scattered ticket stubs and crumbling banners whisper tales of joy long past. The thick, textured brushstrokes blend nostalgia with an eerie dreamlike quality, as if the carnival exists only in the echoes of memory.  \nA surreal oil painting in the spirit of René Magritte, featuring a towering lighthouse that emits not light, but cascading waterfalls from its peak. The swirling sky, painted in deep midnight blues, is punctuated by glowing, crescent moons that defy gravity. A lone figure stands at the water’s edge, gazing up in quiet contemplation, as if caught between wonder and the unknown. The painting’s rich textures and luminous colors create an enigmatic, dreamlike landscape.  \nA striking impressionistic oil painting, reminiscent of Van Gogh, portrays a lone traveler on a winding cobblestone path, their silhouette bathed in the golden glow of lantern-lit cherry blossoms. The petals swirl through the night air like glowing embers, blending with the deep, rhythmic strokes of a star-filled indigo sky. The scene captures a feeling of wistful solitude, as if the traveler is walking not only through the city, but through the fleeting nature of time itself."
-        },
-        "class_type": "Text Multiline",
-        "_meta": {
-            "title": "Text Multiline"
-        }
-    },
-    "203": {
-        "inputs": {
-            "string1": [
-                "289",
-                0
-            ],
-            "string2": [
-                "293",
-                0
-            ],
-            "delimiter": ", "
-        },
-        "class_type": "JoinStrings",
-        "_meta": {
-            "title": "Join Strings"
-        }
-    },
-    "208": {
-        "inputs": {
-            "file_path": "",
-            "dictionary_name": "[filename]",
-            "label": "TextBatch",
-            "mode": "automatic",
-            "index": 0,
-            "multiline_text": [
-                "191",
-                0
-            ]
-        },
-        "class_type": "Text Load Line From File",
-        "_meta": {
-            "title": "Text Load Line From File"
-        }
-    },
-    "226": {
-        "inputs": {
-            "images": [
-                "8",
-                0
-            ]
-        },
-        "class_type": "PreviewImage",
-        "_meta": {
-            "title": "Preview Image"
-        }
-    },
-    "246": {
-        "inputs": {
-            "value": 25
-        },
-        "class_type": "INTConstant",
-        "_meta": {
-            "title": "Steps"
-        }
-    },
-    "289": {
-        "inputs": {
-            "group_mode": true,
-            "toggle_trigger_words": [
-                {
-                    "text": "bo-exposure",
-                    "active": true
-                },
-                {
-                    "text": "__dummy_item__",
-                    "active": false,
-                    "_isDummy": true
-                },
-                {
-                    "text": "__dummy_item__",
-                    "active": false,
-                    "_isDummy": true
-                }
-            ],
-            "orinalMessage": "bo-exposure",
-            "trigger_words": [
-                "299",
-                2
-            ]
-        },
-        "class_type": "TriggerWord Toggle (LoraManager)",
-        "_meta": {
-            "title": "TriggerWord Toggle (LoraManager)"
-        }
-    },
-    "293": {
-        "inputs": {
-            "input": 1,
-            "text1": [
-                "208",
-                0
-            ],
-            "text2": [
-                "151",
-                0
-            ]
-        },
-        "class_type": "easy textSwitch",
-        "_meta": {
-            "title": "Text Switch"
-        }
-    },
-    "297": {
-        "inputs": {
-            "text": ""
-        },
-        "class_type": "Lora Stacker (LoraManager)",
-        "_meta": {
-            "title": "Lora Stacker (LoraManager)"
-        }
-    },
-    "298": {
-        "inputs": {
-            "anything": [
-                "297",
-                0
-            ]
-        },
-        "class_type": "easy showAnything",
-        "_meta": {
-            "title": "Show Any"
-        }
-    },
-    "299": {
-        "inputs": {
-            "text": "<lora:boFLUX Double Exposure Magic v2:0.8> <lora:FluxDFaeTasticDetails:0.65>",
-            "loras": [
-                {
-                    "name": "boFLUX Double Exposure Magic v2",
-                    "strength": 0.8,
-                    "active": true
-                },
-                {
-                    "name": "FluxDFaeTasticDetails",
-                    "strength": 0.65,
-                    "active": true
-                },
-                {
-                    "name": "__dummy_item1__",
-                    "strength": 0,
-                    "active": false,
-                    "_isDummy": true
-                },
-                {
-                    "name": "__dummy_item2__",
-                    "strength": 0,
-                    "active": false,
-                    "_isDummy": true
-                }
-            ],
-            "model": [
-                "65",
-                0
-            ],
-            "clip": [
-                "11",
-                0
-            ],
-            "lora_stack": [
-                "297",
-                0
-            ]
-        },
-        "class_type": "Lora Loader (LoraManager)",
-        "_meta": {
-            "title": "Lora Loader (LoraManager)"
-        }
-    },
-    "301": {
-        "inputs": {
-            "string": "A hyper-realistic close-up portrait of a young woman with shoulder-length black hair styled in edgy, futuristic layers, adorned with glowing tips. She wears mecha eyewear with a neon green visor that transitions into iridescent shades of teal and gold. The frame is sleek, with angular edges and fine mechanical detailing. Her expression is fierce and confident, with flawless skin highlighted by the neon reflections. She wears a high-tech bodysuit with integrated LED lines and metallic panels. The background depicts a hazy rendition of The Great Wave off Kanagawa by Hokusai, its powerful waves blending seamlessly with the neon tones, amplifying her intense, defiant aura.",
-            "strip_newlines": true
-        },
-        "class_type": "StringConstantMultiline",
-        "_meta": {
-            "title": "String Constant Multiline"
-        }
-    }
-}

refs/version.json

@@ -0,0 +1,91 @@
+{
+  "id": 1255556,
+  "modelId": 1117241,
+  "name": "v1.0",
+  "createdAt": "2025-01-08T06:13:08.839Z",
+  "updatedAt": "2025-01-08T06:28:54.156Z",
+  "status": "Published",
+  "publishedAt": "2025-01-08T06:28:54.155Z",
+  "trainedWords": ["in the style of ppWhimsy"],
+  "trainingStatus": null,
+  "trainingDetails": null,
+  "baseModel": "Flux.1 D",
+  "baseModelType": "Standard",
+  "earlyAccessEndsAt": null,
+  "earlyAccessConfig": null,
+  "description": null,
+  "uploadType": "Created",
+  "usageControl": "Download",
+  "air": "urn:air:flux1:lora:civitai:1117241@1255556",
+  "stats": {
+    "downloadCount": 210,
+    "ratingCount": 0,
+    "rating": 0,
+    "thumbsUpCount": 26
+  },
+  "model": {
+    "name": "Enchanted Whimsy style (Flux)",
+    "type": "LORA",
+    "nsfw": false,
+    "poi": false
+  },
+  "files": [
+    {
+      "id": 1160774,
+      "sizeKB": 38828.8125,
+      "name": "pp-enchanted-whimsy.safetensors",
+      "type": "Model",
+      "pickleScanResult": "Success",
+      "pickleScanMessage": "No Pickle imports",
+      "virusScanResult": "Success",
+      "virusScanMessage": null,
+      "scannedAt": "2025-01-08T06:16:27.731Z",
+      "metadata": {
+        "format": "SafeTensor",
+        "size": null,
+        "fp": null
+      },
+      "hashes": {
+        "AutoV1": "40CAF049",
+        "AutoV2": "3202778C3E",
+        "SHA256": "3202778C3EBE5CF7EBE5FC51561DEAE8611F4362036EB7C02EFA033C705E6240",
+        "CRC32": "69DCD953",
+        "BLAKE3": "ED04580DDB1AD36D8B87F4B0800F5930C7E5D4A7269BDC2BE26ED77EA1A34697",
+        "AutoV3": "BF82986F8597"
+      },
+      "primary": true,
+      "downloadUrl": "https://civitai.com/api/download/models/1255556"
+    }
+  ],
+  "images": [
+    {
+      "url": "https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/707aef9b-36fb-46c2-ac41-adcab539d3a6/width=832/50270101.jpeg",
+      "nsfwLevel": 1,
+      "width": 832,
+      "height": 1216,
+      "hash": "U7Am@@$^J3%100R;pLR.M]tQ-ps+?wRiVrof",
+      "type": "image",
+      "metadata": {
+        "hash": "U7Am@@$^J3%100R;pLR.M]tQ-ps+?wRiVrof",
+        "size": 702313,
+        "width": 832,
+        "height": 1216
+      },
+      "minor": false,
+      "poi": false,
+      "meta": {
+        "prompt": "in the style of ppWhimsy, a close-up of a boy with a crown of ferns and tiny horns, his eyes wide with wonder as a family of glowing hedgehogs nestle in his hands, their spines shimmering with soft pastel colors"
+      },
+      "availability": "Public",
+      "hasMeta": true,
+      "hasPositivePrompt": true,
+      "onSite": false,
+      "remixOfId": null
+    }
+  ],
+  "downloadUrl": "https://civitai.com/api/download/models/1255556",
+  "creator": {
+    "username": "PixelPawsAI",
+    "image": "https://image.civitai.com/xG1nkqKTMzGDvpLrqFT7WA/f3a1aa7c-0159-4dd8-884a-1e7ceb350f96/width=96/PixelPawsAI.jpeg"
+  }
+}

requirements-dev.txt

@@ -0,0 +1,3 @@
+-r requirements.txt
+pytest>=7.4
+pytest-cov>=4.1

requirements.txt

@@ -10,3 +10,4 @@ natsort
 GitPython
 aiosqlite
 beautifulsoup4
+platformdirs

scripts/api.js

@@ -0,0 +1,7 @@
+export const api = {
+  fetchApi: (...args) => fetch(...args),
+  addEventListener: (eventName, handler) => document.addEventListener(eventName, handler),
+  removeEventListener: (eventName, handler) => document.removeEventListener(eventName, handler),
+};
+
+export default api;

scripts/app.js

@@ -0,0 +1,12 @@
+export const app = {
+  canvas: { ds: { scale: 1 } },
+  extensionManager: {
+    toast: {
+      add: () => {},
+    },
+  },
+  registerExtension: () => {},
+  graphToPrompt: async () => ({ workflow: { nodes: new Map() } }),
+};
+
+export default app;

scripts/run_frontend_coverage.js

@@ -0,0 +1,205 @@
+#!/usr/bin/env node
+import { spawnSync } from 'node:child_process';
+import { mkdirSync, rmSync, readdirSync, readFileSync, writeFileSync, existsSync } from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const repoRoot = path.resolve(__dirname, '..');
+const coverageRoot = path.join(repoRoot, 'coverage');
+const v8OutputDir = path.join(coverageRoot, '.v8');
+const frontendCoverageDir = path.join(coverageRoot, 'frontend');
+
+rmSync(v8OutputDir, { recursive: true, force: true });
+rmSync(frontendCoverageDir, { recursive: true, force: true });
+mkdirSync(v8OutputDir, { recursive: true });
+mkdirSync(frontendCoverageDir, { recursive: true });
+
+const vitestCli = path.join(repoRoot, 'node_modules', 'vitest', 'vitest.mjs');
+
+if (!existsSync(vitestCli)) {
+  console.error('Failed to locate Vitest CLI at', vitestCli);
+  console.error('Try reinstalling frontend dependencies with `npm install`.');
+  process.exit(1);
+}
+
+const env = { ...process.env, NODE_V8_COVERAGE: v8OutputDir };
+
+const spawnOptions = { stdio: 'inherit', env };
+const result = spawnSync(process.execPath, [vitestCli, 'run'], spawnOptions);
+
+if (result.error) {
+  console.error('Failed to execute Vitest:', result.error.message);
+  process.exit(result.status ?? 1);
+}
+
+if (result.status !== 0) {
+  process.exit(result.status ?? 1);
+}
+
+const fileCoverage = collectCoverageFromV8(v8OutputDir, repoRoot);
+writeCoverageOutputs(fileCoverage, frontendCoverageDir, repoRoot);
+printSummary(fileCoverage);
+rmSync(v8OutputDir, { recursive: true, force: true });
+
+function collectCoverageFromV8(v8Dir, rootDir) {
+  const coverageMap = new Map();
+  const files = readdirSync(v8Dir).filter((file) => file.endsWith('.json'));
+
+  for (const file of files) {
+    const reportPath = path.join(v8Dir, file);
+    const report = JSON.parse(readFileSync(reportPath, 'utf8'));
+    if (!Array.isArray(report.result)) {
+      continue;
+    }
+
+    for (const script of report.result) {
+      const filePath = normalizeFilePath(script.url, rootDir);
+      if (!filePath) {
+        continue;
+      }
+
+      if (!filePath.startsWith('static/')) {
+        continue;
+      }
+
+      if (!filePath.endsWith('.js')) {
+        continue;
+      }
+
+      const absolutePath = path.join(rootDir, filePath);
+      let lineMap = coverageMap.get(filePath);
+      if (!lineMap) {
+        lineMap = new Map();
+        coverageMap.set(filePath, lineMap);
+      }
+
+      const source = readFileSync(absolutePath, 'utf8');
+      const lineOffsets = calculateLineOffsets(source);
+
+      for (const fn of script.functions ?? []) {
+        for (const range of fn.ranges ?? []) {
+          if (range.startOffset === range.endOffset) {
+            continue;
+          }
+          const count = typeof range.count === 'number' ? range.count : 0;
+          const startLine = findLineNumber(range.startOffset, lineOffsets);
+          const endLine = findLineNumber(Math.max(range.endOffset - 1, range.startOffset), lineOffsets);
+          for (let line = startLine; line <= endLine; line += 1) {
+            const current = lineMap.get(line);
+            if (current === undefined || count > current) {
+              lineMap.set(line, count);
+            }
+          }
+        }
+      }
+    }
+  }
+
+  return coverageMap;
+}
+
+function normalizeFilePath(url, rootDir) {
+  if (!url) {
+    return null;
+  }
+  try {
+    const parsed = new URL(url);
+    if (parsed.protocol !== 'file:') {
+      return null;
+    }
+    const absolute = fileURLToPath(parsed);
+    const relative = path.relative(rootDir, absolute);
+    if (relative.startsWith('..') || path.isAbsolute(relative)) {
+      return null;
+    }
+    return relative.replace(/\\/g, '/');
+  } catch {
+    if (url.startsWith(rootDir)) {
+      return url.slice(rootDir.length + 1).replace(/\\/g, '/');
+    }
+    return null;
+  }
+}
+
+function calculateLineOffsets(content) {
+  const offsets = [0];
+  for (let index = 0; index < content.length; index += 1) {
+    if (content.charCodeAt(index) === 10) {
+      offsets.push(index + 1);
+    }
+  }
+  offsets.push(content.length);
+  return offsets;
+}
+
+function findLineNumber(offset, lineOffsets) {
+  let low = 0;
+  let high = lineOffsets.length - 1;
+  while (low < high) {
+    const mid = Math.floor((low + high + 1) / 2);
+    if (lineOffsets[mid] <= offset) {
+      low = mid;
+    } else {
+      high = mid - 1;
+    }
+  }
+  return low + 1;
+}
+
+function writeCoverageOutputs(coverageMap, outputDir, rootDir) {
+  const summary = {
+    total: { lines: { total: 0, covered: 0, pct: 100 } },
+    files: {},
+  };
+
+  let lcovContent = '';
+
+  for (const [relativePath, lineMap] of [...coverageMap.entries()].sort()) {
+    const lines = [...lineMap.entries()].sort((a, b) => a[0] - b[0]);
+    const total = lines.length;
+    const covered = lines.filter(([, count]) => count > 0).length;
+    const pct = total === 0 ? 100 : (covered / total) * 100;
+
+    summary.files[relativePath] = {
+      lines: {
+        total,
+        covered,
+        pct,
+      },
+    };
+
+    summary.total.lines.total += total;
+    summary.total.lines.covered += covered;
+
+    const absolute = path.join(rootDir, relativePath);
+    lcovContent += 'TN:\n';
+    lcovContent += `SF:${absolute.replace(/\\/g, '/')}\n`;
+    for (const [line, count] of lines) {
+      lcovContent += `DA:${line},${count}\n`;
+    }
+    lcovContent += `LF:${total}\n`;
+    lcovContent += `LH:${covered}\n`;
+    lcovContent += 'end_of_record\n';
+  }
+
+  summary.total.lines.pct = summary.total.lines.total === 0
+    ? 100
+    : (summary.total.lines.covered / summary.total.lines.total) * 100;
+
+  writeFileSync(path.join(outputDir, 'coverage-summary.json'), JSON.stringify(summary, null, 2));
+  writeFileSync(path.join(outputDir, 'lcov.info'), lcovContent, 'utf8');
+}
+
+function printSummary(coverageMap) {
+  let totalLines = 0;
+  let totalCovered = 0;
+  for (const lineMap of coverageMap.values()) {
+    const lines = lineMap.size;
+    const covered = [...lineMap.values()].filter((count) => count > 0).length;
+    totalLines += lines;
+    totalCovered += covered;
+  }
+  const pct = totalLines === 0 ? 100 : (totalCovered / totalLines) * 100;
+  console.log(`\nFrontend coverage: ${totalCovered}/${totalLines} lines (${pct.toFixed(2)}%)`);
+}

settings.json.example

@@ -14,4 +14,4 @@
       "C:/path/to/another/embeddings_folder"
     ]
   }
-}
+}

standalone.py

@@ -1,11 +1,11 @@
-from pathlib import Path
 import os
 import sys
 import json
 from py.middleware.cache_middleware import cache_control
+from py.utils.settings_paths import ensure_settings_file, get_settings_dir
 
 # Set environment variable to indicate standalone mode
-os.environ["COMFYUI_LORA_MANAGER_STANDALONE"] = "1"
+os.environ["LORA_MANAGER_STANDALONE"] = "1"
 
 # Create mock modules for py/nodes directory - add this before any other imports
 def mock_nodes_directory():
@@ -32,7 +32,7 @@ class MockFolderPaths:
     @staticmethod
     def get_folder_paths(folder_name):
         # Load paths from settings.json
-        settings_path = os.path.join(os.path.dirname(__file__), 'settings.json')
+        settings_path = ensure_settings_file()
         try:
             if os.path.exists(settings_path):
                 with open(settings_path, 'r', encoding='utf-8') as f:
@@ -159,7 +159,7 @@ class StandaloneServer:
         self.app.router.add_get('/', self.handle_status)
         
         # Add static route for example images if the path exists in settings
-        settings_path = os.path.join(os.path.dirname(__file__), 'settings.json')
+        settings_path = ensure_settings_file(logger)
         if os.path.exists(settings_path):
             with open(settings_path, 'r', encoding='utf-8') as f:
                 settings = json.load(f)
@@ -219,16 +219,19 @@ from py.lora_manager import LoraManager
 
 def validate_settings():
     """Validate that settings.json exists and has required configuration"""
-    settings_path = os.path.join(os.path.dirname(__file__), 'settings.json')
+    settings_path = ensure_settings_file(logger)
     if not os.path.exists(settings_path):
         logger.error("=" * 80)
         logger.error("CONFIGURATION ERROR: settings.json file not found!")
         logger.error("")
+        logger.error("Expected location: %s", settings_path)
+        logger.error("")
         logger.error("To run in standalone mode, you need to create a settings.json file.")
         logger.error("Please follow these steps:")
         logger.error("")
         logger.error("1. Copy the provided settings.json.example file to create a new file")
-        logger.error("   named settings.json in the comfyui-lora-manager folder")
+        logger.error("   named settings.json inside the LoRA Manager settings folder:")
+        logger.error("   %s", get_settings_dir())
         logger.error("")
         logger.error("2. Edit settings.json to include your correct model folder paths")
         logger.error("   and CivitAI API key")
@@ -276,121 +279,7 @@ class StandaloneLoraManager(LoraManager):
         # Store app in a global-like location for compatibility
         sys.modules['server'].PromptServer.instance = server_instance
         
-        added_targets = set()  # Track already added target paths
-        
-        # Add static routes for each lora root
-        for idx, root in enumerate(config.loras_roots, start=1):
-            if not os.path.exists(root):
-                logger.warning(f"Lora root path does not exist: {root}")
-                continue
-                
-            preview_path = f'/loras_static/root{idx}/preview'
-            
-            # Check if this root is a link path in the mappings
-            real_root = root
-            for target, link in config._path_mappings.items():
-                if os.path.normpath(link) == os.path.normpath(root):
-                    # If so, route should point to the target (real path)
-                    real_root = target
-                    break
-            
-            # Normalize and standardize path display for consistency
-            display_root = real_root.replace('\\', '/')
-            
-            # Add static route for original path - use the normalized path
-            app.router.add_static(preview_path, real_root)
-            logger.info(f"Added static route {preview_path} -> {display_root}")
-            
-            # Record route mapping with normalized path
-            config.add_route_mapping(real_root, preview_path)
-            added_targets.add(os.path.normpath(real_root))
-        
-        # Add static routes for each checkpoint root
-        for idx, root in enumerate(config.base_models_roots, start=1):
-            if not os.path.exists(root):
-                logger.warning(f"Checkpoint root path does not exist: {root}")
-                continue
-                
-            preview_path = f'/checkpoints_static/root{idx}/preview'
-            
-            # Check if this root is a link path in the mappings
-            real_root = root
-            for target, link in config._path_mappings.items():
-                if os.path.normpath(link) == os.path.normpath(root):
-                    # If so, route should point to the target (real path)
-                    real_root = target
-                    break
-            
-            # Normalize and standardize path display for consistency
-            display_root = real_root.replace('\\', '/')
-            
-            # Add static route for original path
-            app.router.add_static(preview_path, real_root)
-            logger.info(f"Added static route {preview_path} -> {display_root}")
-            
-            # Record route mapping
-            config.add_route_mapping(real_root, preview_path)
-            added_targets.add(os.path.normpath(real_root))
 
-        # Add static routes for each embedding root
-        for idx, root in enumerate(getattr(config, "embeddings_roots", []), start=1):
-            if not os.path.exists(root):
-                logger.warning(f"Embedding root path does not exist: {root}")
-                continue
-
-            preview_path = f'/embeddings_static/root{idx}/preview'
-
-            real_root = root
-            for target, link in config._path_mappings.items():
-                if os.path.normpath(link) == os.path.normpath(root):
-                    real_root = target
-                    break
-
-            display_root = real_root.replace('\\', '/')
-            app.router.add_static(preview_path, real_root)
-            logger.info(f"Added static route {preview_path} -> {display_root}")
-
-            config.add_route_mapping(real_root, preview_path)
-            added_targets.add(os.path.normpath(real_root))
-        
-        # Add static routes for symlink target paths that aren't already covered
-        link_idx = {
-            'lora': 1,
-            'checkpoint': 1,
-            'embedding': 1
-        }
-        
-        for target_path, link_path in config._path_mappings.items():
-            norm_target = os.path.normpath(target_path)
-            if norm_target not in added_targets:
-                # Determine if this is a checkpoint, lora, or embedding link based on path
-                is_checkpoint = any(os.path.normpath(cp_root) in os.path.normpath(link_path) for cp_root in config.base_models_roots)
-                is_checkpoint = is_checkpoint or any(os.path.normpath(cp_root) in norm_target for cp_root in config.base_models_roots)
-                is_embedding = any(os.path.normpath(emb_root) in os.path.normpath(link_path) for emb_root in getattr(config, "embeddings_roots", []))
-                is_embedding = is_embedding or any(os.path.normpath(emb_root) in norm_target for emb_root in getattr(config, "embeddings_roots", []))
-
-                if is_checkpoint:
-                    route_path = f'/checkpoints_static/link_{link_idx["checkpoint"]}/preview'
-                    link_idx["checkpoint"] += 1
-                elif is_embedding:
-                    route_path = f'/embeddings_static/link_{link_idx["embedding"]}/preview'
-                    link_idx["embedding"] += 1
-                else:
-                    route_path = f'/loras_static/link_{link_idx["lora"]}/preview'
-                    link_idx["lora"] += 1
-                
-                # Display path with forward slashes for consistency
-                display_target = target_path.replace('\\', '/')
-                
-                try:
-                    app.router.add_static(route_path, Path(target_path).resolve(strict=False))
-                    logger.info(f"Added static route for link target {route_path} -> {display_target}")
-                    config.add_route_mapping(target_path, route_path)
-                    added_targets.add(norm_target)
-                except Exception as e:
-                    logger.warning(f"Failed to add static route on initialization for {target_path}: {e}")
-                    continue
-        
         # Add static route for locales JSON files
         if os.path.exists(config.i18n_path):
             app.router.add_static('/locales', config.i18n_path)
@@ -405,6 +294,7 @@ class StandaloneLoraManager(LoraManager):
         from py.routes.update_routes import UpdateRoutes
         from py.routes.misc_routes import MiscRoutes
         from py.routes.example_images_routes import ExampleImagesRoutes
+        from py.routes.preview_routes import PreviewRoutes
         from py.routes.stats_routes import StatsRoutes
         from py.services.websocket_manager import ws_manager
         
@@ -422,6 +312,7 @@ class StandaloneLoraManager(LoraManager):
         UpdateRoutes.setup_routes(app)
         MiscRoutes.setup_routes(app)
         ExampleImagesRoutes.setup_routes(app, ws_manager=ws_manager)
+        PreviewRoutes.setup_routes(app)
 
         # Setup WebSocket routes that are shared across all model types
         app.router.add_get('/ws/fetch-progress', ws_manager.handle_connection)

static/css/base.css

@@ -32,6 +32,7 @@ html, body {
     --text-muted: #6c757d;
     --card-bg: #ffffff;
     --border-color: #e0e0e0;
+    --header-height: 48px;
 
     /* Color Components */
     --lora-accent-l: 68%;

static/css/components/header.css

@@ -73,12 +73,20 @@
   display: flex;
   align-items: center;
   gap: 0.5rem;
-  transition: all 0.2s ease;
   font-size: 0.9rem;
 }
 
-.nav-item:hover {
+.nav-item:hover,
+.nav-item:focus-visible {
   background-color: var(--lora-surface-hover, oklch(95% 0.02 256));
+  color: var(--lora-accent);
+}
+
+.nav-item:hover i,
+.nav-item:hover span,
+.nav-item:focus-visible i,
+.nav-item:focus-visible span {
+  color: inherit;
 }
 
 .nav-item.active {
@@ -273,4 +281,4 @@
   .header-search {
     flex: 1;
   }
-}
+}

static/css/components/modal/_base.css

@@ -2,10 +2,10 @@
 .modal {
     display: none;
     position: fixed;
-    top: 48px; /* Start below the header */
+    top: var(--header-height, 48px); /* Start below the header */
     left: 0;
     width: 100%;
-    height: calc(100% - 48px); /* Adjust height to exclude header */
+    height: calc(100% - var(--header-height, 48px)); /* Adjust height to exclude header */
     background: rgba(0, 0, 0, 0.2); /* 调整为更淡的半透明黑色 */
     z-index: var(--z-modal);
     overflow: auto; /* Change from hidden to auto to allow scrolling */
@@ -23,7 +23,7 @@ body.modal-open {
     position: relative;
     max-width: 800px;
     height: auto;
-    max-height: calc(90vh);
+    max-height: calc(100vh - var(--header-height, 48px) - 5.5rem); /* Subtract header height and modal margins */
     margin: 1rem auto; /* Keep reduced top margin */
     background: var(--lora-surface);
     border-radius: var(--border-radius-base);

static/css/components/modal/settings-modal.css

@@ -23,6 +23,48 @@
     max-width: 650px; /* Further increased from 600px for more space */
 }
 
+.settings-header {
+    display: flex;
+    align-items: center;
+    justify-content: flex-start;
+    gap: var(--space-1);
+    margin-bottom: var(--space-2);
+}
+
+.settings-header h2 {
+    margin: 0;
+}
+
+.settings-open-location-button {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 28px;
+    height: 28px;
+    border: none;
+    background: none;
+    color: var(--text-color);
+    opacity: 0.6;
+    cursor: pointer;
+    border-radius: var(--border-radius-xs);
+    transition: opacity 0.2s ease, background-color 0.2s ease;
+}
+
+.settings-open-location-button:hover,
+.settings-open-location-button:focus-visible {
+    opacity: 1;
+    background-color: rgba(var(--border-color-rgb, 148, 163, 184), 0.2);
+    outline: none;
+}
+
+.settings-open-location-button i {
+    font-size: 1em;
+}
+
+.settings-open-location-button:focus-visible {
+    box-shadow: 0 0 0 2px rgba(var(--border-color-rgb, 148, 163, 184), 0.6);
+}
+
 /* Settings Links */
 .settings-links {
     margin-top: var(--space-3);

static/css/components/recipe-modal.css

@@ -211,6 +211,20 @@
     border: 1px solid var(--lora-border);
 }
 
+#recipeModal .modal-content {
+    display: flex;
+    flex-direction: column;
+}
+
+#recipeModal .modal-body {
+    display: flex;
+    flex-direction: column;
+    gap: var(--space-2);
+    flex: 1 1 auto;
+    min-height: 0;
+    overflow: hidden;
+}
+
 /* Top Section: Preview and Gen Params */
 .recipe-top-section {
     display: grid;
@@ -474,9 +488,10 @@
 
 /* Bottom Section: Resources */
 .recipe-bottom-section {
-    max-height: 320px;
     display: flex;
     flex-direction: column;
+    flex: 1 1 auto;
+    min-height: 0;
     border-top: 1px solid var(--border-color);
     padding-top: var(--space-2);
 }

static/js/checkpoints.js

@@ -5,7 +5,7 @@ import { ModelDuplicatesManager } from './components/ModelDuplicatesManager.js';
 import { MODEL_TYPES } from './api/apiConfig.js';
 
 // Initialize the Checkpoints page
-class CheckpointsPageManager {
+export class CheckpointsPageManager {
     constructor() {
         // Initialize page controls
         this.pageControls = createPageControls(MODEL_TYPES.CHECKPOINT);
@@ -31,17 +31,21 @@ class CheckpointsPageManager {
     async initialize() {
         // Initialize common page features (including context menus)
         appCore.initializePageFeatures();
-        
+
         console.log('Checkpoints Manager initialized');
     }
 }
 
-// Initialize everything when DOM is ready
-document.addEventListener('DOMContentLoaded', async () => {
+export async function initializeCheckpointsPage() {
     // Initialize core application
     await appCore.initialize();
-    
+
     // Initialize checkpoints page
     const checkpointsPage = new CheckpointsPageManager();
     await checkpointsPage.initialize();
-});
+
+    return checkpointsPage;
+}
+
+// Initialize everything when DOM is ready
+document.addEventListener('DOMContentLoaded', initializeCheckpointsPage);

static/js/components/ContextMenu/BulkContextMenu.js

@@ -28,6 +28,7 @@ export class BulkContextMenu extends BaseContextMenu {
         // Update button visibility based on model type
         const addTagsItem = this.menu.querySelector('[data-action="add-tags"]');
         const setBaseModelItem = this.menu.querySelector('[data-action="set-base-model"]');
+        const setContentRatingItem = this.menu.querySelector('[data-action="set-content-rating"]');
         const sendToWorkflowAppendItem = this.menu.querySelector('[data-action="send-to-workflow-append"]');
         const sendToWorkflowReplaceItem = this.menu.querySelector('[data-action="send-to-workflow-replace"]');
         const copyAllItem = this.menu.querySelector('[data-action="copy-all"]');
@@ -63,6 +64,9 @@ export class BulkContextMenu extends BaseContextMenu {
         if (setBaseModelItem) {
             setBaseModelItem.style.display = 'flex'; // Base model editing is available for all model types
         }
+        if (setContentRatingItem) {
+            setContentRatingItem.style.display = config.setContentRating ? 'flex' : 'none';
+        }
     }
 
     updateSelectedCountHeader() {
@@ -86,6 +90,9 @@ export class BulkContextMenu extends BaseContextMenu {
             case 'set-base-model':
                 bulkManager.showBulkBaseModelModal();
                 break;
+            case 'set-content-rating':
+                bulkManager.showBulkContentRatingSelector();
+                break;
             case 'send-to-workflow-append':
                 bulkManager.sendAllModelsToWorkflow(false);
                 break;

static/js/components/ContextMenu/ModelContextMenuMixin.js

@@ -2,6 +2,7 @@ import { showToast, getNSFWLevelName, openExampleImagesFolder } from '../../util
 import { modalManager } from '../../managers/ModalManager.js';
 import { state } from '../../state/index.js';
 import { getModelApiClient } from '../../api/modelApiFactory.js';
+import { bulkManager } from '../../managers/BulkManager.js';
 
 // Mixin with shared functionality for LoraContextMenu and CheckpointContextMenu
 export const ModelContextMenuMixin = {
@@ -11,6 +12,7 @@ export const ModelContextMenuMixin = {
         const closeBtn = this.nsfwSelector.querySelector('.close-nsfw-selector');
         closeBtn.addEventListener('click', () => {
             this.nsfwSelector.style.display = 'none';
+            this.resetNSFWSelectorState();
         });
 
         // Level buttons
@@ -18,41 +20,70 @@ export const ModelContextMenuMixin = {
         levelButtons.forEach(btn => {
             btn.addEventListener('click', async () => {
                 const level = parseInt(btn.dataset.level);
+                const mode = this.nsfwSelector.dataset.mode || 'single';
+
+                if (mode === 'bulk') {
+                    let bulkFilePaths = [];
+                    if (this.nsfwSelector.dataset.bulkFilePaths) {
+                        try {
+                            bulkFilePaths = JSON.parse(this.nsfwSelector.dataset.bulkFilePaths);
+                        } catch (error) {
+                            console.warn('Failed to parse bulk file paths for content rating', error);
+                        }
+                    }
+
+                    const success = await bulkManager.setBulkContentRating(level, bulkFilePaths);
+                    if (success) {
+                        this.nsfwSelector.style.display = 'none';
+                        this.resetNSFWSelectorState();
+                    }
+                    return;
+                }
+
                 const filePath = this.nsfwSelector.dataset.cardPath;
-                
+
                 if (!filePath) return;
-                
+
                 try {
                     await this.saveModelMetadata(filePath, { preview_nsfw_level: level });
-                    
+
                     showToast('toast.contextMenu.contentRatingSet', { level: getNSFWLevelName(level) }, 'success');
                     this.nsfwSelector.style.display = 'none';
+                    this.resetNSFWSelectorState();
                 } catch (error) {
                     showToast('toast.contextMenu.contentRatingFailed', { message: error.message }, 'error');
                 }
             });
         });
-        
+
         // Close when clicking outside
         document.addEventListener('click', (e) => {
-            if (this.nsfwSelector.style.display === 'block' && 
-                !this.nsfwSelector.contains(e.target) && 
-                !e.target.closest('.context-menu-item[data-action="set-nsfw"]')) {
+            if (this.nsfwSelector.style.display === 'block' &&
+                !this.nsfwSelector.contains(e.target) &&
+                !e.target.closest('.context-menu-item[data-action="set-nsfw"], .context-menu-item[data-action="set-content-rating"]')) {
                 this.nsfwSelector.style.display = 'none';
+                this.resetNSFWSelectorState();
             }
         });
     },
 
+    resetNSFWSelectorState() {
+        if (!this.nsfwSelector) return;
+        delete this.nsfwSelector.dataset.bulkFilePaths;
+        delete this.nsfwSelector.dataset.mode;
+        delete this.nsfwSelector.dataset.cardPath;
+    },
+
     showNSFWLevelSelector(x, y, card) {
         const selector = document.getElementById('nsfwLevelSelector');
         const currentLevelEl = document.getElementById('currentNSFWLevel');
-        
+
         // Get current NSFW level
         let currentLevel = 0;
         try {
             const metaData = JSON.parse(card.dataset.meta || '{}');
             currentLevel = metaData.preview_nsfw_level || 0;
-            
+
             // Update if we have no recorded level but have a dataset attribute
             if (!currentLevel && card.dataset.nsfwLevel) {
                 currentLevel = parseInt(card.dataset.nsfwLevel) || 0;
@@ -60,35 +91,37 @@ export const ModelContextMenuMixin = {
         } catch (err) {
             console.error('Error parsing metadata:', err);
         }
-        
+
         currentLevelEl.textContent = getNSFWLevelName(currentLevel);
-        
+
         // Position the selector
         if (x && y) {
             const viewportWidth = document.documentElement.clientWidth;
             const viewportHeight = document.documentElement.clientHeight;
             const selectorRect = selector.getBoundingClientRect();
-            
+
             // Center the selector if no coordinates provided
             let finalX = (viewportWidth - selectorRect.width) / 2;
             let finalY = (viewportHeight - selectorRect.height) / 2;
-            
+
             selector.style.left = `${finalX}px`;
             selector.style.top = `${finalY}px`;
         }
-        
+
         // Highlight current level button
-        document.querySelectorAll('.nsfw-level-btn').forEach(btn => {
+        selector.querySelectorAll('.nsfw-level-btn').forEach(btn => {
             if (parseInt(btn.dataset.level) === currentLevel) {
                 btn.classList.add('active');
             } else {
                 btn.classList.remove('active');
             }
         });
-        
+
         // Store reference to current card
+        selector.dataset.mode = 'single';
         selector.dataset.cardPath = card.dataset.filepath;
-        
+        delete selector.dataset.bulkFilePaths;
+
         // Show selector
         selector.style.display = 'block';
     },

static/js/components/SidebarManager.js

@@ -21,6 +21,7 @@ export class SidebarManager {
         this.isInitialized = false;
         this.displayMode = 'tree'; // 'tree' or 'list'
         this.foldersList = [];
+        this.recursiveSearchEnabled = true;
         
         // Bind methods
         this.handleTreeClick = this.handleTreeClick.bind(this);
@@ -36,6 +37,7 @@ export class SidebarManager {
         this.updateContainerMargin = this.updateContainerMargin.bind(this);
         this.handleDisplayModeToggle = this.handleDisplayModeToggle.bind(this);
         this.handleFolderListClick = this.handleFolderListClick.bind(this);
+        this.handleRecursiveToggle = this.handleRecursiveToggle.bind(this);
     }
 
     async initialize(pageControls) {
@@ -89,6 +91,7 @@ export class SidebarManager {
         this.isHovering = false;
         this.apiClient = null;
         this.isInitialized = false;
+        this.recursiveSearchEnabled = true;
         
         // Reset container margin
         const container = document.querySelector('.container');
@@ -111,6 +114,7 @@ export class SidebarManager {
         const sidebar = document.getElementById('folderSidebar');
         const hoverArea = document.getElementById('sidebarHoverArea');
         const displayModeToggleBtn = document.getElementById('sidebarDisplayModeToggle');
+        const recursiveToggleBtn = document.getElementById('sidebarRecursiveToggle');
 
         if (pinToggleBtn) {
             pinToggleBtn.removeEventListener('click', this.handlePinToggle);
@@ -145,6 +149,9 @@ export class SidebarManager {
         if (displayModeToggleBtn) {
             displayModeToggleBtn.removeEventListener('click', this.handleDisplayModeToggle);
         }
+        if (recursiveToggleBtn) {
+            recursiveToggleBtn.removeEventListener('click', this.handleRecursiveToggle);
+        }
     }
 
     async init() {
@@ -197,7 +204,7 @@ export class SidebarManager {
     updateSidebarTitle() {
         const sidebarTitle = document.getElementById('sidebarTitle');
         if (sidebarTitle) {
-            sidebarTitle.textContent = `${this.apiClient.apiConfig.config.displayName} Root`;
+            sidebarTitle.textContent = translate('sidebar.modelRoot');
         }
     }
 
@@ -220,6 +227,12 @@ export class SidebarManager {
             collapseAllBtn.addEventListener('click', this.handleCollapseAll);
         }
 
+        // Recursive toggle button
+        const recursiveToggleBtn = document.getElementById('sidebarRecursiveToggle');
+        if (recursiveToggleBtn) {
+            recursiveToggleBtn.addEventListener('click', this.handleRecursiveToggle);
+        }
+
         // Tree click handler
         const folderTree = document.getElementById('sidebarFolderTree');
         if (folderTree) {
@@ -645,11 +658,33 @@ export class SidebarManager {
         this.displayMode = this.displayMode === 'tree' ? 'list' : 'tree';
         this.updateDisplayModeButton();
         this.updateCollapseAllButton();
+        this.updateRecursiveToggleButton();
         this.updateSearchRecursiveOption();
         this.saveDisplayMode();
         this.loadFolderTree(); // Reload with new display mode
     }
 
+    async handleRecursiveToggle(event) {
+        event.stopPropagation();
+
+        if (this.displayMode !== 'tree') {
+            return;
+        }
+
+        this.recursiveSearchEnabled = !this.recursiveSearchEnabled;
+        setStorageItem(`${this.pageType}_recursiveSearch`, this.recursiveSearchEnabled);
+        this.updateSearchRecursiveOption();
+        this.updateRecursiveToggleButton();
+
+        if (this.pageControls && typeof this.pageControls.resetAndReload === 'function') {
+            try {
+                await this.pageControls.resetAndReload(true);
+            } catch (error) {
+                console.error('Failed to reload models after toggling recursive search:', error);
+            }
+        }
+    }
+
     updateDisplayModeButton() {
         const displayModeBtn = document.getElementById('sidebarDisplayModeToggle');
         if (displayModeBtn) {
@@ -679,8 +714,35 @@ export class SidebarManager {
         }
     }
 
+    updateRecursiveToggleButton() {
+        const recursiveToggleBtn = document.getElementById('sidebarRecursiveToggle');
+        if (!recursiveToggleBtn) return;
+
+        const icon = recursiveToggleBtn.querySelector('i');
+        const isTreeMode = this.displayMode === 'tree';
+        const isActive = isTreeMode && this.recursiveSearchEnabled;
+
+        recursiveToggleBtn.classList.toggle('active', isActive);
+        recursiveToggleBtn.classList.toggle('disabled', !isTreeMode);
+        recursiveToggleBtn.setAttribute('aria-pressed', isActive ? 'true' : 'false');
+        recursiveToggleBtn.setAttribute('aria-disabled', isTreeMode ? 'false' : 'true');
+
+        if (icon) {
+            icon.className = 'fas fa-code-branch';
+        }
+
+        if (!isTreeMode) {
+            recursiveToggleBtn.title = translate('sidebar.recursiveUnavailable');
+        } else if (this.recursiveSearchEnabled) {
+            recursiveToggleBtn.title = translate('sidebar.recursiveOn');
+        } else {
+            recursiveToggleBtn.title = translate('sidebar.recursiveOff');
+        }
+    }
+
     updateSearchRecursiveOption() {
-        this.pageControls.pageState.searchOptions.recursive = this.displayMode === 'tree';
+        const isRecursive = this.displayMode === 'tree' && this.recursiveSearchEnabled;
+        this.pageControls.pageState.searchOptions.recursive = isRecursive;
     }
 
     updateTreeSelection() {
@@ -925,15 +987,18 @@ export class SidebarManager {
         const isPinned = getStorageItem(`${this.pageType}_sidebarPinned`, true);
         const expandedPaths = getStorageItem(`${this.pageType}_expandedNodes`, []);
         const displayMode = getStorageItem(`${this.pageType}_displayMode`, 'tree'); // 'tree' or 'list', default to 'tree'
+        const recursiveSearchEnabled = getStorageItem(`${this.pageType}_recursiveSearch`, true);
         
         this.isPinned = isPinned;
         this.expandedNodes = new Set(expandedPaths);
         this.displayMode = displayMode;
+        this.recursiveSearchEnabled = recursiveSearchEnabled;
         
         this.updatePinButton();
         this.updateDisplayModeButton();
         this.updateCollapseAllButton();
         this.updateSearchRecursiveOption();
+        this.updateRecursiveToggleButton();
     }
 
     restoreSelectedFolder() {
@@ -974,4 +1039,4 @@ export class SidebarManager {
 }
 
 // Create and export global instance
-export const sidebarManager = new SidebarManager();
+export const sidebarManager = new SidebarManager();

static/js/components/initialization.js

@@ -56,6 +56,8 @@ class InitializationManager {
             this.pageType = 'checkpoints';
         } else if (path.includes('/loras')) {
             this.pageType = 'loras';
+        } else if (path.includes('/embeddings')) {
+            this.pageType = 'embeddings';
         } else {
             // Default to loras if can't determine
             this.pageType = 'loras';
@@ -195,6 +197,7 @@ class InitializationManager {
      */
     handleProgressUpdate(data) {
         if (!data) return;
+        console.log('Received progress update:', data);
         
         // Check if this update is for our page type
         if (data.pageType && data.pageType !== this.pageType) {
@@ -206,7 +209,8 @@ class InitializationManager {
         if (!data.pageType && data.scanner_type) {
             const scannerTypeToPageType = {
                 'lora': 'loras',
-                'checkpoint': 'checkpoints'
+                'checkpoint': 'checkpoints',
+                'embedding': 'embeddings'
             };
             
             if (scannerTypeToPageType[data.scanner_type] !== this.pageType) {

static/js/components/shared/ModelCard.js

@@ -420,7 +420,7 @@ export function createModelCard(model, modelType) {
     const previewVersions = state.pages[previewVersionsKey]?.previewVersions || new Map();
     const version = previewVersions.get(model.file_path);
     const previewUrl = model.preview_url || '/loras_static/images/no-preview.png';
-    const versionedPreviewUrl = version ? `${previewUrl}?t=${version}` : previewUrl;
+    const versionedPreviewUrl = version ? `${previewUrl}${previewUrl.includes('?') ? '&' : '?'}t=${version}` : previewUrl;
 
     // Determine NSFW warning text based on level with i18n support
     let nsfwText = translate('modelCard.nsfw.matureContent', {}, 'Mature Content');
@@ -435,7 +435,18 @@ export function createModelCard(model, modelType) {
     // Check if autoplayOnHover is enabled for video previews
     const autoplayOnHover = state.global?.settings?.autoplay_on_hover || false;
     const isVideo = previewUrl.endsWith('.mp4');
-    const videoAttrs = autoplayOnHover ? 'controls muted loop' : 'controls autoplay muted loop';
+    const videoAttrs = [
+        'controls',
+        'muted',
+        'loop',
+        'playsinline',
+        'preload="none"',
+        `data-src="${versionedPreviewUrl}"`
+    ];
+
+    if (!autoplayOnHover) {
+        videoAttrs.push('data-autoplay="true"');
+    }
 
     // Get favorite status from model data
     const isFavorite = model.favorite === true;
@@ -473,9 +484,7 @@ export function createModelCard(model, modelType) {
     card.innerHTML = `
         <div class="card-preview ${shouldBlur ? 'blurred' : ''}">
             ${isVideo ? 
-                `<video ${videoAttrs} style="pointer-events: none;">
-                    <source src="${versionedPreviewUrl}" type="video/mp4">
-                </video>` :
+                `<video ${videoAttrs.join(' ')} style="pointer-events: none;"></video>` :
                 `<img src="${versionedPreviewUrl}" alt="${model.model_name}">`
             }
             <div class="card-header">
@@ -514,21 +523,257 @@ export function createModelCard(model, modelType) {
     
     // Add video auto-play on hover functionality if needed
     const videoElement = card.querySelector('video');
-    if (videoElement && autoplayOnHover) {
-        const cardPreview = card.querySelector('.card-preview');
-        
-        // Remove autoplay attribute and pause initially
-        videoElement.removeAttribute('autoplay');
-        videoElement.pause();
-        
-        // Add mouse events to trigger play/pause using event attributes
-        cardPreview.setAttribute('onmouseenter', 'this.querySelector("video")?.play()');
-        cardPreview.setAttribute('onmouseleave', 'const v=this.querySelector("video"); if(v){v.pause();v.currentTime=0;}');
+    if (videoElement) {
+        configureModelCardVideo(videoElement, autoplayOnHover);
     }
 
     return card;
 }
 
+const VIDEO_LAZY_ROOT_MARGIN = '200px 0px';
+const VIDEO_LOAD_INTERVAL_MS = 120;
+const VIDEO_LOAD_MAX_CONCURRENCY = 2;
+let videoLazyObserver = null;
+
+const videoLoadQueue = [];
+const queuedVideoElements = new Set();
+let activeVideoLoads = 0;
+let queueTimer = null;
+
+const scheduleFrame = typeof requestAnimationFrame === 'function'
+    ? requestAnimationFrame
+    : (callback) => setTimeout(callback, 16);
+
+function scheduleVideoQueueProcessing(delay = 0) {
+    if (queueTimer !== null) {
+        return;
+    }
+
+    queueTimer = setTimeout(() => {
+        queueTimer = null;
+        processVideoLoadQueue();
+    }, delay);
+}
+
+function dequeueVideoElement(videoElement) {
+    if (!queuedVideoElements.has(videoElement)) {
+        return;
+    }
+
+    queuedVideoElements.delete(videoElement);
+    const index = videoLoadQueue.indexOf(videoElement);
+    if (index !== -1) {
+        videoLoadQueue.splice(index, 1);
+    }
+}
+
+function processVideoLoadQueue() {
+    if (videoLoadQueue.length === 0) {
+        return;
+    }
+
+    while (activeVideoLoads < VIDEO_LOAD_MAX_CONCURRENCY && videoLoadQueue.length > 0) {
+        const videoElement = videoLoadQueue.shift();
+        queuedVideoElements.delete(videoElement);
+
+        if (!videoElement || !videoElement.isConnected || videoElement.dataset.loaded === 'true') {
+            continue;
+        }
+
+        activeVideoLoads++;
+        videoElement.dataset.loading = 'true';
+
+        scheduleFrame(() => {
+            try {
+                loadVideoSource(videoElement);
+            } finally {
+                delete videoElement.dataset.loading;
+                activeVideoLoads--;
+
+                if (videoLoadQueue.length > 0) {
+                    scheduleVideoQueueProcessing(VIDEO_LOAD_INTERVAL_MS);
+                }
+            }
+        });
+    }
+
+    if (videoLoadQueue.length > 0 && queueTimer === null) {
+        scheduleVideoQueueProcessing(VIDEO_LOAD_INTERVAL_MS);
+    }
+}
+
+function enqueueVideoElement(videoElement) {
+    if (!videoElement || videoElement.dataset.loaded === 'true' || videoElement.dataset.loading === 'true') {
+        return;
+    }
+
+    if (!videoElement.isConnected) {
+        return;
+    }
+
+    if (queuedVideoElements.has(videoElement)) {
+        return;
+    }
+
+    queuedVideoElements.add(videoElement);
+    videoLoadQueue.push(videoElement);
+    scheduleVideoQueueProcessing();
+}
+
+function ensureVideoLazyObserver() {
+    if (videoLazyObserver) {
+        return videoLazyObserver;
+    }
+
+    videoLazyObserver = new IntersectionObserver((entries) => {
+        entries.forEach(entry => {
+            if (entry.isIntersecting) {
+                enqueueVideoElement(entry.target);
+            }
+        });
+    }, {
+        root: null,
+        rootMargin: VIDEO_LAZY_ROOT_MARGIN,
+        threshold: 0.01
+    });
+
+    return videoLazyObserver;
+}
+
+function cleanupHoverHandlers(videoElement) {
+    const handlers = videoElement._hoverHandlers;
+    if (!handlers) return;
+
+    const { cardPreview, mouseEnter, mouseLeave } = handlers;
+    if (cardPreview) {
+        cardPreview.removeEventListener('mouseenter', mouseEnter);
+        cardPreview.removeEventListener('mouseleave', mouseLeave);
+    }
+
+    delete videoElement._hoverHandlers;
+}
+
+function requestSafePlay(videoElement) {
+    const playPromise = videoElement.play();
+    if (playPromise && typeof playPromise.catch === 'function') {
+        playPromise.catch(() => {});
+    }
+}
+
+function loadVideoSource(videoElement) {
+    if (!videoElement) {
+        return false;
+    }
+
+    if (videoLazyObserver) {
+        try {
+            videoLazyObserver.unobserve(videoElement);
+        } catch (error) {
+            // Ignore observer errors (e.g., element already unobserved)
+        }
+    }
+
+    if (videoElement.dataset.loaded === 'true' || !videoElement.isConnected) {
+        return false;
+    }
+
+    const sourceElement = videoElement.querySelector('source');
+    const dataSrc = videoElement.dataset.src || sourceElement?.dataset?.src;
+
+    if (!dataSrc) {
+        return false;
+    }
+
+    // Ensure src attributes are reset before applying
+    videoElement.removeAttribute('src');
+    if (sourceElement) {
+        sourceElement.src = dataSrc;
+    } else {
+        videoElement.src = dataSrc;
+    }
+
+    videoElement.load();
+    videoElement.dataset.loaded = 'true';
+
+    if (videoElement.dataset.autoplay === 'true') {
+        videoElement.setAttribute('autoplay', '');
+        requestSafePlay(videoElement);
+    }
+
+    return true;
+}
+
+export function configureModelCardVideo(videoElement, autoplayOnHover) {
+    if (!videoElement) return;
+
+    dequeueVideoElement(videoElement);
+    cleanupHoverHandlers(videoElement);
+
+    const sourceElement = videoElement.querySelector('source');
+    const existingSrc = videoElement.dataset.src || sourceElement?.dataset?.src || videoElement.currentSrc;
+
+    if (existingSrc && !videoElement.dataset.src) {
+        videoElement.dataset.src = existingSrc;
+    }
+
+    if (sourceElement && !sourceElement.dataset.src) {
+        sourceElement.dataset.src = videoElement.dataset.src || sourceElement.src;
+    }
+
+    videoElement.removeAttribute('autoplay');
+    videoElement.removeAttribute('src');
+    videoElement.setAttribute('preload', 'none');
+    videoElement.setAttribute('muted', '');
+    videoElement.setAttribute('loop', '');
+    videoElement.setAttribute('playsinline', '');
+    videoElement.setAttribute('controls', '');
+    videoElement.dataset.loaded = 'false';
+    delete videoElement.dataset.loading;
+
+    if (sourceElement) {
+        sourceElement.removeAttribute('src');
+        if (videoElement.dataset.src) {
+            sourceElement.dataset.src = videoElement.dataset.src;
+        }
+    }
+
+    if (!autoplayOnHover) {
+        videoElement.dataset.autoplay = 'true';
+    } else {
+        delete videoElement.dataset.autoplay;
+    }
+
+    const observer = ensureVideoLazyObserver();
+    observer.observe(videoElement);
+
+    // Pause the video until it is either hovered or autoplay kicks in
+    try {
+        videoElement.pause();
+    } catch (err) {
+        // Ignore pause errors (e.g., if not loaded yet)
+    }
+
+    if (autoplayOnHover) {
+        const cardPreview = videoElement.closest('.card-preview');
+        if (cardPreview) {
+            const mouseEnter = () => {
+                dequeueVideoElement(videoElement);
+                loadVideoSource(videoElement);
+                requestSafePlay(videoElement);
+            };
+            const mouseLeave = () => {
+                videoElement.pause();
+                videoElement.currentTime = 0;
+            };
+
+            cardPreview.addEventListener('mouseenter', mouseEnter);
+            cardPreview.addEventListener('mouseleave', mouseLeave);
+
+            videoElement._hoverHandlers = { cardPreview, mouseEnter, mouseLeave };
+        }
+    }
+}
+
 // Add a method to update card appearance based on bulk mode (LoRA only)
 export function updateCardsForBulkMode(isBulkMode) {
     // Update the state
@@ -567,4 +812,6 @@ export function updateCardsForBulkMode(isBulkMode) {
     if (isBulkMode) {
         bulkManager.applySelectionState();
     }
-}
+}
+
+

static/js/components/shared/PresetTags.js

@@ -48,10 +48,7 @@ function formatPresetKey(key) {
  * @param {string} key - Preset key name to remove
  */
 window.removePreset = async function(key) {
-    const filePath = document.querySelector('#modelModal .modal-content')
-            .querySelector('.file-path').textContent + 
-            document.querySelector('#modelModal .modal-content')
-            .querySelector('#file-name').textContent + '.safetensors';
+    const filePath = document.querySelector('#modelModal .modal-content .file-path').dataset.filepath;
     const loraCard = document.querySelector(`.model-card[data-filepath="${filePath}"]`);
     const currentPresets = parsePresets(loraCard.dataset.usage_tips);
     

static/js/core.js

@@ -49,7 +49,8 @@ export class AppCore {
         bannerService.initialize();
         window.modalManager = modalManager;
         window.settingsManager = settingsManager;
-        window.exampleImagesManager = new ExampleImagesManager();
+        const exampleImagesManager = new ExampleImagesManager();
+        window.exampleImagesManager = exampleImagesManager;
         window.helpManager = helpManager;
         window.moveManager = moveManager;
         window.bulkManager = bulkManager;

static/js/embeddings.js

@@ -36,12 +36,18 @@ class EmbeddingsPageManager {
     }
 }
 
-// Initialize everything when DOM is ready
-document.addEventListener('DOMContentLoaded', async () => {
+async function initializeEmbeddingsPage() {
     // Initialize core application
     await appCore.initialize();
-    
+
     // Initialize embeddings page
     const embeddingsPage = new EmbeddingsPageManager();
     await embeddingsPage.initialize();
-});
+
+    return embeddingsPage;
+}
+
+// Initialize everything when DOM is ready
+document.addEventListener('DOMContentLoaded', initializeEmbeddingsPage);
+
+export { EmbeddingsPageManager, initializeEmbeddingsPage };

static/js/i18n/index.js

@@ -25,7 +25,8 @@ class I18nManager {
             'ja': { name: 'Japanese', nativeName: '日本語' },
             'ko': { name: 'Korean', nativeName: '한국어' },
             'fr': { name: 'French', nativeName: 'Français' },
-            'es': { name: 'Spanish', nativeName: 'Español' }
+            'es': { name: 'Spanish', nativeName: 'Español' },
+            'he': { name: 'Hebrew', nativeName: 'עברית' }
         };
         
         this.currentLocale = this.getLanguageFromSettings();
@@ -318,4 +319,4 @@ class I18nManager {
 export const i18n = new I18nManager();
 
 // Export for global access (will be attached to window)
-export default i18n;
+export default i18n;

static/js/loras.js

@@ -6,7 +6,7 @@ import { confirmDelete, closeDeleteModal, confirmExclude, closeExcludeModal } fr
 import { ModelDuplicatesManager } from './components/ModelDuplicatesManager.js';
 
 // Initialize the LoRA page
-class LoraPageManager {
+export class LoraPageManager {
     constructor() {
         // Add bulk mode to state
         state.bulkMode = false;
@@ -38,18 +38,22 @@ class LoraPageManager {
     async initialize() {
         // Initialize cards for current bulk mode state (should be false initially)
         updateCardsForBulkMode(state.bulkMode);
-        
+
         // Initialize common page features (including context menus and virtual scroll)
         appCore.initializePageFeatures();
     }
 }
 
-// Initialize everything when DOM is ready
-document.addEventListener('DOMContentLoaded', async () => {
+export async function initializeLoraPage() {
     // Initialize core application
     await appCore.initialize();
-    
+
     // Initialize page-specific functionality
     const loraPage = new LoraPageManager();
     await loraPage.initialize();
-});
+
+    return loraPage;
+}
+
+// Initialize everything when DOM is ready
+document.addEventListener('DOMContentLoaded', initializeLoraPage);

static/js/managers/BannerService.js

@@ -1,4 +1,14 @@
-import { getStorageItem, setStorageItem } from '../utils/storageHelpers.js';
+import {
+    getStorageItem,
+    setStorageItem
+} from '../utils/storageHelpers.js';
+import { translate } from '../utils/i18nHelpers.js';
+
+const COMMUNITY_SUPPORT_BANNER_ID = 'community-support';
+const COMMUNITY_SUPPORT_BANNER_DELAY_MS = 5 * 24 * 60 * 60 * 1000; // 5 days
+const COMMUNITY_SUPPORT_FIRST_SEEN_AT_KEY = 'community_support_banner_first_seen_at';
+const COMMUNITY_SUPPORT_SHOWN_KEY = 'community_support_banner_shown';
+const KO_FI_URL = 'https://ko-fi.com/pixelpawsai';
 
 /**
  * Banner Service for managing notification banners
@@ -8,6 +18,8 @@ class BannerService {
         this.banners = new Map();
         this.container = null;
         this.initialized = false;
+        this.communitySupportBannerTimer = null;
+        this.communitySupportBannerRegistered = false;
     }
 
     /**
@@ -51,6 +63,8 @@ class BannerService {
             priority: 1
         });
 
+        this.prepareCommunitySupportBanner();
+
         this.showActiveBanners();
         this.initialized = true;
     }
@@ -198,6 +212,90 @@ class BannerService {
         setStorageItem('dismissed_banners', []);
         location.reload();
     }
+
+    prepareCommunitySupportBanner() {
+        if (this.communitySupportBannerTimer) {
+            clearTimeout(this.communitySupportBannerTimer);
+            this.communitySupportBannerTimer = null;
+        }
+
+        if (getStorageItem(COMMUNITY_SUPPORT_SHOWN_KEY, false)) {
+            return;
+        }
+
+        const now = Date.now();
+        let firstSeenAt = getStorageItem(COMMUNITY_SUPPORT_FIRST_SEEN_AT_KEY, null);
+
+        if (typeof firstSeenAt !== 'number') {
+            firstSeenAt = now;
+            setStorageItem(COMMUNITY_SUPPORT_FIRST_SEEN_AT_KEY, firstSeenAt);
+        }
+
+        const availableAt = firstSeenAt + COMMUNITY_SUPPORT_BANNER_DELAY_MS;
+        const delay = Math.max(availableAt - now, 0);
+
+        if (delay === 0) {
+            this.registerCommunitySupportBanner();
+        } else {
+            this.communitySupportBannerTimer = setTimeout(() => {
+                this.registerCommunitySupportBanner();
+            }, delay);
+        }
+    }
+
+    registerCommunitySupportBanner() {
+        if (this.communitySupportBannerRegistered || getStorageItem(COMMUNITY_SUPPORT_SHOWN_KEY, false)) {
+            return;
+        }
+
+        if (this.communitySupportBannerTimer) {
+            clearTimeout(this.communitySupportBannerTimer);
+            this.communitySupportBannerTimer = null;
+        }
+
+        this.communitySupportBannerRegistered = true;
+        setStorageItem(COMMUNITY_SUPPORT_SHOWN_KEY, true);
+
+        this.registerBanner(COMMUNITY_SUPPORT_BANNER_ID, {
+            id: COMMUNITY_SUPPORT_BANNER_ID,
+            title: translate(
+                'banners.communitySupport.title',
+                {},
+                'Keep LoRA Manager Thriving with Your Support ❤️'
+            ),
+            content: translate(
+                'banners.communitySupport.content',
+                {},
+                'LoRA Manager is a passion project maintained full-time by a solo developer. Your support on Ko-fi helps cover development costs, keeps new updates coming, and unlocks a license key for the LM Civitai Extension as a thank-you gift. Every contribution truly makes a difference.'
+            ),
+            actions: [
+                {
+                    text: translate(
+                        'banners.communitySupport.supportCta',
+                        {},
+                        'Support on Ko-fi'
+                    ),
+                    icon: 'fas fa-heart',
+                    url: KO_FI_URL,
+                    type: 'primary'
+                },
+                {
+                    text: translate(
+                        'banners.communitySupport.learnMore',
+                        {},
+                        'LM Civitai Extension Tutorial'
+                    ),
+                    icon: 'fas fa-book',
+                    url: 'https://github.com/willmiao/ComfyUI-Lora-Manager/wiki/LoRA-Manager-Civitai-Extension-(Chrome-Extension)',
+                    type: 'tertiary'
+                }
+            ],
+            dismissible: true,
+            priority: 2
+        });
+
+        this.updateContainerVisibility();
+    }
 }
 
 // Create and export singleton instance

static/js/managers/BulkManager.js

@@ -1,5 +1,5 @@
 import { state, getCurrentPageState } from '../state/index.js';
-import { showToast, copyToClipboard, sendLoraToWorkflow, buildLoraSyntax } from '../utils/uiHelpers.js';
+import { showToast, copyToClipboard, sendLoraToWorkflow, buildLoraSyntax, getNSFWLevelName } from '../utils/uiHelpers.js';
 import { updateCardsForBulkMode } from '../components/shared/ModelCard.js';
 import { modalManager } from './ModalManager.js';
 import { getModelApiClient, resetAndReload } from '../api/modelApiFactory.js';
@@ -35,7 +35,8 @@ export class BulkManager {
                 refreshAll: true,
                 moveAll: true,
                 autoOrganize: true,
-                deleteAll: true
+                deleteAll: true,
+                setContentRating: true
             },
             [MODEL_TYPES.EMBEDDING]: {
                 addTags: true,
@@ -44,7 +45,8 @@ export class BulkManager {
                 refreshAll: true,
                 moveAll: true,
                 autoOrganize: true,
-                deleteAll: true
+                deleteAll: true,
+                setContentRating: false
             },
             [MODEL_TYPES.CHECKPOINT]: {
                 addTags: true,
@@ -53,7 +55,8 @@ export class BulkManager {
                 refreshAll: true,
                 moveAll: false,
                 autoOrganize: true,
-                deleteAll: true
+                deleteAll: true,
+                setContentRating: true
             }
         };
     }
@@ -850,20 +853,137 @@ export class BulkManager {
             showToast('toast.models.noModelsSelected', {}, 'warning');
             return;
         }
-        
+
         const countElement = document.getElementById('bulkBaseModelCount');
         if (countElement) {
             countElement.textContent = state.selectedModels.size;
         }
-        
+
         modalManager.showModal('bulkBaseModelModal', null, null, () => {
             this.cleanupBulkBaseModelModal();
         });
-        
+
         // Initialize the bulk base model interface
         this.initializeBulkBaseModelInterface();
     }
-    
+
+    showBulkContentRatingSelector() {
+        if (state.selectedModels.size === 0) {
+            showToast('toast.models.noModelsSelected', {}, 'warning');
+            return;
+        }
+
+        const selector = document.getElementById('nsfwLevelSelector');
+        const currentLevelEl = document.getElementById('currentNSFWLevel');
+
+        if (!selector || !currentLevelEl) {
+            console.warn('NSFW level selector not found');
+            return;
+        }
+
+        const filePaths = Array.from(state.selectedModels);
+        selector.dataset.mode = 'bulk';
+        selector.dataset.bulkFilePaths = JSON.stringify(filePaths);
+        delete selector.dataset.cardPath;
+
+        const selectedCards = Array.from(document.querySelectorAll('.model-card.selected'));
+        const levels = new Set();
+
+        selectedCards.forEach((card) => {
+            let level = 0;
+            try {
+                const metaData = JSON.parse(card.dataset.meta || '{}');
+                if (typeof metaData.preview_nsfw_level === 'number') {
+                    level = metaData.preview_nsfw_level;
+                }
+            } catch (error) {
+                console.warn('Failed to parse metadata for card', error);
+            }
+
+            if (!level && card.dataset.nsfwLevel) {
+                const parsed = parseInt(card.dataset.nsfwLevel, 10);
+                if (!Number.isNaN(parsed)) {
+                    level = parsed;
+                }
+            }
+
+            levels.add(level);
+        });
+
+        let highlightLevel = null;
+        if (levels.size === 1) {
+            highlightLevel = levels.values().next().value;
+            currentLevelEl.textContent = getNSFWLevelName(highlightLevel);
+        } else {
+            currentLevelEl.textContent = translate('modals.contentRating.multiple', {}, 'Multiple values');
+        }
+
+        selector.querySelectorAll('.nsfw-level-btn').forEach((btn) => {
+            const btnLevel = parseInt(btn.dataset.level, 10);
+            if (highlightLevel !== null && btnLevel === highlightLevel) {
+                btn.classList.add('active');
+            } else {
+                btn.classList.remove('active');
+            }
+        });
+
+        const viewportWidth = document.documentElement.clientWidth;
+        const viewportHeight = document.documentElement.clientHeight;
+        const selectorRect = selector.getBoundingClientRect();
+        const finalX = Math.max((viewportWidth - selectorRect.width) / 2, 0);
+        const finalY = Math.max((viewportHeight - selectorRect.height) / 2, 0);
+
+        selector.style.left = `${finalX}px`;
+        selector.style.top = `${finalY}px`;
+        selector.style.display = 'block';
+    }
+
+    async setBulkContentRating(level, filePaths = null) {
+        const targets = Array.isArray(filePaths) ? filePaths : Array.from(state.selectedModels);
+
+        if (!targets || targets.length === 0) {
+            showToast('toast.models.noModelsSelected', {}, 'warning');
+            return false;
+        }
+
+        const totalCount = targets.length;
+        const levelName = getNSFWLevelName(level);
+
+        state.loadingManager.showSimpleLoading(translate('toast.models.bulkContentRatingUpdating', { count: totalCount }));
+
+        let successCount = 0;
+        let failureCount = 0;
+
+        try {
+            const apiClient = getModelApiClient();
+            for (const filePath of targets) {
+                try {
+                    await apiClient.saveModelMetadata(filePath, { preview_nsfw_level: level });
+                    successCount++;
+                } catch (error) {
+                    failureCount++;
+                    console.error(`Failed to set content rating for ${filePath}:`, error);
+                }
+            }
+        } finally {
+            state.loadingManager.hideSimpleLoading();
+        }
+
+        if (successCount === totalCount) {
+            showToast('toast.models.bulkContentRatingSet', { count: successCount, level: levelName }, 'success');
+        } else if (successCount > 0) {
+            showToast('toast.models.bulkContentRatingPartial', {
+                success: successCount,
+                failed: failureCount,
+                level: levelName
+            }, 'warning');
+        } else {
+            showToast('toast.models.bulkContentRatingFailed', {}, 'error');
+        }
+
+        return successCount > 0;
+    }
+
     /**
      * Initialize bulk base model interface
      */