chore(release): bump version to v1.2.0

After b464fdc3 (preserve .git on release switch), the hasGit-based
channel detection is unreliable — .git now exists for both release
and nightly installs, so page refresh always reset the channel.

- Add _resolveChannelFromSettings() with migration heuristic:
  !hasGit → release (ZIP), detached HEAD → release (on tag),
  on branch → nightly. Uses gitInfo.branch from check-updates.
- Persist resolved channel to settings.json on first load
  (one-time migration) and on explicit switchChannel.
- Add update_channel validation (release|nightly) in backend
  update_settings handler.
- Remove hasGit-based guessing from initialize(); defer to
  checkForUpdates where full gitInfo is available.
- Channel resolution runs before checkForUpdates early-returns
  to avoid null channelMode on reload-within-interval.

Tests: 361 passed.

py/routes/handlers/misc_handlers.py

@@ -1562,6 +1562,11 @@ class SettingsHandler:
                             {"success": False, "error": validation_error}
                         )
 
+                if key == "update_channel" and value not in ("release", "nightly"):
+                    return web.json_response(
+                        {"success": False, "error": "update_channel must be 'release' or 'nightly'"}
+                    )
+
                 if value == "__DELETE__" and key in (
                     "proxy_username",
                     "proxy_password",

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-lora-manager"
 description = "Revolutionize your workflow with the ultimate LoRA companion for ComfyUI!"
-version = "1.1.9"
+version = "1.2.0"
 license = {file = "LICENSE"}
 dependencies = [
     "aiohttp",

static/js/managers/BulkManager.js

@@ -27,6 +27,8 @@ export class BulkManager {
 
         // Drag detection properties
         this.dragThreshold = 5; // Pixels to move before considering it a drag
+        this.dragDelayMs = 100; // Minimum hold time before a drag is treated as a marquee
+        this.minMarqueeSize = 10; // Minimum drag box (px) before a marquee counts as a selection
         this.mouseDownTime = 0;
         this.mouseDownPosition = { x: 0, y: 0 };
 
@@ -173,6 +175,19 @@ export class BulkManager {
         });
 
         eventManager.addHandler('mousemove', 'bulkManager-marquee-move', (e) => {
+            // Only track marquee/drag while the left button is physically held.
+            // mouseup can be missed (release outside the window, focus loss, driver quirks),
+            // so mousemove must verify the button state itself instead of relying on it.
+            if (!(e.buttons & 1)) {
+                if (this.isMarqueeActive) {
+                    this.endMarqueeSelection(e);
+                } else {
+                    this.mouseDownTime = 0;
+                    this.isDragging = false;
+                }
+                return false;
+            }
+
             if (this.isMarqueeActive) {
                 this.lastClientX = e.clientX;
                 this.lastClientY = e.clientY;
@@ -184,7 +199,10 @@ export class BulkManager {
                 const dy = e.clientY - this.mouseDownPosition.y;
                 const distance = Math.sqrt(dx * dx + dy * dy);
 
-                if (distance >= this.dragThreshold) {
+                // Require both enough movement AND enough hold time so quick
+                // click jitter from micro-movement input devices is not a marquee.
+                const heldTime = Date.now() - this.mouseDownTime;
+                if (heldTime >= this.dragDelayMs && distance >= this.dragThreshold) {
                     this.isDragging = true;
                     this.startMarqueeSelection(e, true);
                 }
@@ -1958,9 +1976,31 @@ export class BulkManager {
         // Remove visual feedback class
         document.body.classList.remove('marquee-selecting');
 
+        // Compute the actual drag box size in document coordinates, matching how
+        // updateMarqueeSelectionFromPosition tracks the rectangle. Client-space
+        // size would wrongly flag auto-scroll marquees (tiny pointer movement,
+        // large document-space box) as accidental clicks.
+        const container = document.querySelector('.page-content');
+        const scrollX = container?.scrollLeft || 0;
+        const scrollY = container?.scrollTop || 0;
+        const dragWidth = Math.abs((e.clientX + scrollX) - this.marqueeStartDoc.x);
+        const dragHeight = Math.abs((e.clientY + scrollY) - this.marqueeStartDoc.y);
+        const isTinyMarquee = dragWidth < this.minMarqueeSize && dragHeight < this.minMarqueeSize;
+
         // Get selection count
         const selectionCount = state.selectedModels.size;
 
+        // A tiny box (e.g. click jitter that happened to graze a card) is treated
+        // as an accidental click: undo any selection and leave bulk mode.
+        if (isTinyMarquee) {
+            this.clearSelection();
+            if (state.bulkMode) {
+                this.toggleBulkMode();
+            }
+            this.initialSelectedModels.clear();
+            return;
+        }
+
         // If no models were selected, exit bulk mode
         if (selectionCount === 0) {
             if (state.bulkMode) {

static/js/managers/SettingsManager.js

@@ -1517,11 +1517,20 @@ export class SettingsManager {
         return data;
     }
 
-    async loadLoraRoots() {
-        try {
-            const defaultLoraRootSelect = document.getElementById('defaultLoraRoot');
-            if (!defaultLoraRootSelect) return;
+    showNoRootsPlaceholder(select) {
+        select.innerHTML = '';
+        const option = document.createElement('option');
+        option.value = '';
+        option.textContent = translate('settings.folderSettings.noDefault', {}, 'No Default');
+        select.appendChild(option);
+        select.disabled = true;
+    }
 
+    async loadLoraRoots() {
+        const defaultLoraRootSelect = document.getElementById('defaultLoraRoot');
+        if (!defaultLoraRootSelect) return;
+
+        try {
             // Fetch lora roots
             const response = await fetch('/api/lm/loras/roots');
             if (!response.ok) {
@@ -1530,10 +1539,12 @@ export class SettingsManager {
 
             const data = await response.json();
             if (!data.roots || data.roots.length === 0) {
-                throw new Error('No LoRA roots found');
+                this.showNoRootsPlaceholder(defaultLoraRootSelect);
+                return;
             }
 
             defaultLoraRootSelect.innerHTML = '';
+            defaultLoraRootSelect.disabled = false;
 
             // Add options for each root
             data.roots.forEach(root => {
@@ -1548,15 +1559,16 @@ export class SettingsManager {
 
         } catch (error) {
             console.error('Error loading LoRA roots:', error);
+            this.showNoRootsPlaceholder(defaultLoraRootSelect);
             showToast('toast.settings.loraRootsFailed', { message: error.message }, 'error');
         }
     }
 
     async loadCheckpointRoots() {
-        try {
-            const defaultCheckpointRootSelect = document.getElementById('defaultCheckpointRoot');
-            if (!defaultCheckpointRootSelect) return;
+        const defaultCheckpointRootSelect = document.getElementById('defaultCheckpointRoot');
+        if (!defaultCheckpointRootSelect) return;
 
+        try {
             // Fetch checkpoint roots (checkpoint paths only, not unet)
             const response = await fetch('/api/lm/checkpoints/checkpoints_roots');
             if (!response.ok) {
@@ -1565,10 +1577,12 @@ export class SettingsManager {
 
             const data = await response.json();
             if (!data.roots || data.roots.length === 0) {
-                throw new Error('No checkpoint roots found');
+                this.showNoRootsPlaceholder(defaultCheckpointRootSelect);
+                return;
             }
 
             defaultCheckpointRootSelect.innerHTML = '';
+            defaultCheckpointRootSelect.disabled = false;
 
             // Add options for each root
             data.roots.forEach(root => {
@@ -1583,15 +1597,16 @@ export class SettingsManager {
 
         } catch (error) {
             console.error('Error loading checkpoint roots:', error);
+            this.showNoRootsPlaceholder(defaultCheckpointRootSelect);
             showToast('toast.settings.checkpointRootsFailed', { message: error.message }, 'error');
         }
     }
 
     async loadUnetRoots() {
-        try {
-            const defaultUnetRootSelect = document.getElementById('defaultUnetRoot');
-            if (!defaultUnetRootSelect) return;
+        const defaultUnetRootSelect = document.getElementById('defaultUnetRoot');
+        if (!defaultUnetRootSelect) return;
 
+        try {
             // Fetch unet roots (diffusion model paths only)
             const response = await fetch('/api/lm/checkpoints/unet_roots');
             if (!response.ok) {
@@ -1600,10 +1615,12 @@ export class SettingsManager {
 
             const data = await response.json();
             if (!data.roots || data.roots.length === 0) {
-                throw new Error('No diffusion model roots found');
+                this.showNoRootsPlaceholder(defaultUnetRootSelect);
+                return;
             }
 
             defaultUnetRootSelect.innerHTML = '';
+            defaultUnetRootSelect.disabled = false;
 
             // Add options for each root
             data.roots.forEach(root => {
@@ -1618,15 +1635,16 @@ export class SettingsManager {
 
         } catch (error) {
             console.error('Error loading diffusion model roots:', error);
+            this.showNoRootsPlaceholder(defaultUnetRootSelect);
             showToast('toast.settings.unetRootsFailed', { message: error.message }, 'error');
         }
     }
 
     async loadEmbeddingRoots() {
-        try {
-            const defaultEmbeddingRootSelect = document.getElementById('defaultEmbeddingRoot');
-            if (!defaultEmbeddingRootSelect) return;
+        const defaultEmbeddingRootSelect = document.getElementById('defaultEmbeddingRoot');
+        if (!defaultEmbeddingRootSelect) return;
 
+        try {
             // Fetch embedding roots
             const response = await fetch('/api/lm/embeddings/roots');
             if (!response.ok) {
@@ -1635,10 +1653,12 @@ export class SettingsManager {
 
             const data = await response.json();
             if (!data.roots || data.roots.length === 0) {
-                throw new Error('No embedding roots found');
+                this.showNoRootsPlaceholder(defaultEmbeddingRootSelect);
+                return;
             }
 
             defaultEmbeddingRootSelect.innerHTML = '';
+            defaultEmbeddingRootSelect.disabled = false;
 
             // Add options for each root
             data.roots.forEach(root => {
@@ -1653,6 +1673,7 @@ export class SettingsManager {
 
         } catch (error) {
             console.error('Error loading embedding roots:', error);
+            this.showNoRootsPlaceholder(defaultEmbeddingRootSelect);
             showToast('toast.settings.embeddingRootsFailed', { message: error.message }, 'error');
         }
     }

static/js/managers/UpdateService.js

@@ -1,11 +1,12 @@
 import { modalManager } from './ModalManager.js';
-import { 
-    getStorageItem, 
-    setStorageItem, 
-    getStoredVersionInfo, 
+import {
+    getStorageItem,
+    setStorageItem,
+    getStoredVersionInfo,
     setStoredVersionInfo,
     isVersionMatch
 } from '../utils/storageHelpers.js';
+import { state } from '../state/index.js';
 import { bannerService } from './BannerService.js';
 import { translate } from '../utils/i18nHelpers.js';
 
@@ -26,6 +27,8 @@ export class UpdateService {
         this.isUpdating = false;
         this.channelMode = null;
         this.hasGit = false;
+        this.nightlyNotifyDate = getStorageItem('nightly_notify_date', '');
+        this.nightlyBadgeShown = false;
         this.progressKeepVisible = false;
         this.currentVersionInfo = null;
         this.versionMismatch = false;
@@ -59,9 +62,6 @@ export class UpdateService {
         
         // Perform update check if needed
         this.checkVersionInfo().then(() => {
-            if (this.channelMode === null) {
-                this.channelMode = this.hasGit ? 'nightly' : 'release';
-            }
             this.checkForUpdates().then(() => {
                 this.updateBadgeVisibility();
             });
@@ -118,6 +118,14 @@ export class UpdateService {
 
             if (data.success) {
                 this.channelMode = channel;
+                // Persist channel preference to settings.json
+                fetch('/api/lm/settings', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ update_channel: channel })
+                }).then(r => {
+                    if (!r.ok) console.warn('Failed to persist update channel:', r.status);
+                }).catch(e => console.warn('Failed to persist update channel:', e));
                 await this.checkForUpdates({ force: true });
                 this.updateModalContent();
                 this.updateChannelUI();
@@ -154,6 +162,20 @@ export class UpdateService {
         }
     }
 
+    _resolveChannelFromSettings() {
+        const stored = state?.global?.settings?.update_channel;
+        if (stored === 'nightly' || stored === 'release') {
+            return stored;
+        }
+        if (!this.hasGit) {
+            return 'release';
+        }
+        if (this.gitInfo?.branch === 'detached') {
+            return 'release';
+        }
+        return 'nightly';
+    }
+
     async _confirmChannelSwitch(titleKey, messageKey) {
         return new Promise((resolve) => {
             const title = translate(titleKey);
@@ -475,6 +497,18 @@ export class UpdateService {
     }
     
     async checkForUpdates({ force = false } = {}) {
+        let needsMigration = false;
+        if (this.channelMode === null) {
+            const stored = state?.global?.settings?.update_channel;
+            if (stored === 'nightly' || stored === 'release') {
+                this.channelMode = stored;
+            } else if (!this.hasGit) {
+                this.channelMode = 'release';
+                needsMigration = true;
+            }
+            // hasGit=true with no stored value: wait for gitInfo.branch
+        }
+
         if (!force && !this.updateNotificationsEnabled) {
             return;
         }
@@ -493,7 +527,7 @@ export class UpdateService {
 
         try {
             // Call backend API to check for updates with nightly flag
-            const nightly = this.channelMode === 'nightly';
+            const nightly = (this.channelMode ?? (this.hasGit ? 'nightly' : 'release')) === 'nightly';
             const response = await fetch(`/api/lm/check-updates?nightly=${nightly}`);
             const data = await response.json();
             
@@ -503,12 +537,28 @@ export class UpdateService {
                 this.updateInfo = data;
                 this.gitInfo = data.git_info || this.gitInfo;
                 this.hasGit = data.has_git || false;
-                if (this.channelMode === null) {
-                    this.channelMode = this.hasGit ? 'nightly' : 'release';
+
+                if (needsMigration || this.channelMode === null) {
+                    this.channelMode = this._resolveChannelFromSettings();
+                    if (state?.global?.settings) {
+                        state.global.settings.update_channel = this.channelMode;
+                    }
+                    fetch('/api/lm/settings', {
+                        method: 'POST',
+                        headers: { 'Content-Type': 'application/json' },
+                        body: JSON.stringify({ update_channel: this.channelMode })
+                    }).then(r => {
+                        if (!r.ok) console.warn('Failed to persist update channel:', r.status);
+                    }).catch(e => console.warn('Failed to persist update channel:', e));
                 }
 
                 this.updateAvailable = data.update_available;
 
+                // Nightly channel: surface the update badge at most once per calendar day.
+                if (this.updateAvailable && this.channelMode === 'nightly' && this.nightlyNotifyDate !== this._getTodayKey()) {
+                    this._markNightlyNotified();
+                }
+
                 this.lastCheckTime = now;
                 setStorageItem('last_update_check', now.toString());
 
@@ -558,6 +608,28 @@ export class UpdateService {
         
         return false;
     }
+
+    _getTodayKey() {
+        const now = new Date();
+        const month = String(now.getMonth() + 1).padStart(2, '0');
+        const day = String(now.getDate()).padStart(2, '0');
+        return `${now.getFullYear()}-${month}-${day}`;
+    }
+
+    _isNightlyBadgeAllowed() {
+        if (this.channelMode !== 'nightly') {
+            return true;
+        }
+        // Keep the badge visible for the rest of the session once shown, but do
+        // not show it again on later sessions within the same calendar day.
+        return this.nightlyNotifyDate !== this._getTodayKey() || this.nightlyBadgeShown;
+    }
+
+    _markNightlyNotified() {
+        this.nightlyNotifyDate = this._getTodayKey();
+        this.nightlyBadgeShown = true;
+        setStorageItem('nightly_notify_date', this.nightlyNotifyDate);
+    }
     
     updateBadgeVisibility() {
         const updateToggle = document.querySelector('.update-toggle');
@@ -566,9 +638,12 @@ export class UpdateService {
             ? bannerService.getUnreadBannerCount()
             : 0;
 
+        // Force updating badges visibility based on current state
+        const shouldShowUpdate = this.updateNotificationsEnabled && this.updateAvailable && this._isNightlyBadgeAllowed();
+
         if (updateToggle) {
             let tooltipKey = 'header.actions.notifications';
-            if (this.updateNotificationsEnabled && this.updateAvailable) {
+            if (shouldShowUpdate) {
                 tooltipKey = 'update.updateAvailable';
             } else if (unreadBanners > 0) {
                 tooltipKey = 'update.tabs.messages';
@@ -576,8 +651,6 @@ export class UpdateService {
             updateToggle.title = translate(tooltipKey);
         }
 
-        // Force updating badges visibility based on current state
-        const shouldShowUpdate = this.updateNotificationsEnabled && this.updateAvailable;
         const shouldShow = shouldShowUpdate || unreadBanners > 0;
 
         if (updateBadge) {

tests/frontend/managers/BulkManager.marquee.test.js

@@ -0,0 +1,186 @@
+import { describe, it, beforeEach, afterEach, expect, vi } from 'vitest';
+import { state } from '../../../static/js/state/index.js';
+import { MODEL_TYPES } from '../../../static/js/api/apiConfig.js';
+import { eventManager } from '../../../static/js/utils/EventManager.js';
+import { BulkManager } from '../../../static/js/managers/BulkManager.js';
+
+function fire(type, init = {}) {
+  return new MouseEvent(type, { bubbles: true, cancelable: true, ...init });
+}
+
+describe('BulkManager marquee guards', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+    // jsdom may not provide requestAnimationFrame; stub it so the auto-scroll loop is a no-op.
+    window.requestAnimationFrame = vi.fn();
+    window.cancelAnimationFrame = vi.fn();
+
+    eventManager.cleanup();
+    state.currentPageType = MODEL_TYPES.LORA;
+    state.bulkMode = false;
+    state.selectedModels.clear();
+
+    document.body.innerHTML = '<div class="page-content"></div>';
+    const pageContent = document.querySelector('.page-content');
+    pageContent.getBoundingClientRect = () => ({
+      top: 0,
+      left: 0,
+      right: 1000,
+      bottom: 1000,
+      width: 1000,
+      height: 1000,
+      x: 0,
+      y: 0,
+      toJSON: () => ({}),
+    });
+    pageContent.scrollBy = vi.fn();
+  });
+
+  afterEach(() => {
+    eventManager.cleanup();
+    vi.useRealTimers();
+    document.body.innerHTML = '';
+  });
+
+  function createBulkManager() {
+    const bulk = new BulkManager();
+    bulk.initialize();
+    return bulk;
+  }
+
+  it('never starts a marquee when the left button is not held', () => {
+    const bulk = createBulkManager();
+    const pageContent = document.querySelector('.page-content');
+
+    pageContent.dispatchEvent(fire('mousedown', { button: 0, clientX: 10, clientY: 10 }));
+    document.dispatchEvent(fire('mousemove', { buttons: 0, clientX: 50, clientY: 50 }));
+
+    expect(bulk.mouseDownTime).toBe(0);
+    expect(bulk.isMarqueeActive).toBe(false);
+    expect(state.bulkMode).toBe(false);
+    expect(document.querySelector('.marquee-selection')).toBeNull();
+  });
+
+  it('requires holding the left button for the drag delay before starting a marquee', () => {
+    const bulk = createBulkManager();
+    const pageContent = document.querySelector('.page-content');
+
+    pageContent.dispatchEvent(fire('mousedown', { button: 0, clientX: 10, clientY: 10 }));
+
+    // Fast movement: far enough, but too soon after mousedown.
+    document.dispatchEvent(fire('mousemove', { buttons: 1, clientX: 30, clientY: 10 }));
+    expect(state.bulkMode).toBe(false);
+    expect(bulk.isMarqueeActive).toBe(false);
+
+    // Once the hold time has elapsed, the same drag qualifies.
+    vi.advanceTimersByTime(100);
+    document.dispatchEvent(fire('mousemove', { buttons: 1, clientX: 35, clientY: 12 }));
+    expect(state.bulkMode).toBe(true);
+    expect(bulk.isMarqueeActive).toBe(true);
+    expect(document.querySelector('.marquee-selection')).not.toBeNull();
+  });
+
+  it('ends an active marquee if the left button is released without a mouseup event', () => {
+    const bulk = createBulkManager();
+    bulk.mouseDownPosition = { x: 10, y: 10 };
+    bulk.startMarqueeSelection({}, true);
+    expect(state.bulkMode).toBe(true);
+    expect(document.querySelector('.marquee-selection')).not.toBeNull();
+
+    // No mouseup was dispatched; a plain move with the button released finalizes it.
+    document.dispatchEvent(fire('mousemove', { buttons: 0, clientX: 50, clientY: 50 }));
+
+    expect(bulk.isMarqueeActive).toBe(false);
+    expect(document.querySelector('.marquee-selection')).toBeNull();
+    expect(state.bulkMode).toBe(false); // zero selected -> auto-exit
+  });
+
+  it('treats a tiny marquee as an accidental click: clears selection and exits bulk mode', () => {
+    const bulk = createBulkManager();
+    const card = document.createElement('div');
+    card.className = 'model-card selected';
+    card.dataset.filepath = '/models/test.safetensors';
+    document.body.appendChild(card);
+    state.selectedModels.add('/models/test.safetensors');
+
+    bulk.mouseDownPosition = { x: 100, y: 100 };
+    bulk.startMarqueeSelection({}, true);
+    expect(state.bulkMode).toBe(true);
+
+    bulk.endMarqueeSelection({ clientX: 103, clientY: 104 });
+
+    expect(state.bulkMode).toBe(false);
+    expect(state.selectedModels.size).toBe(0);
+    expect(card.classList.contains('selected')).toBe(false);
+  });
+
+  it('keeps selection and bulk mode when the marquee is large enough', () => {
+    const bulk = createBulkManager();
+    const card = document.createElement('div');
+    card.className = 'model-card selected';
+    card.dataset.filepath = '/models/test.safetensors';
+    document.body.appendChild(card);
+    state.selectedModels.add('/models/test.safetensors');
+
+    bulk.mouseDownPosition = { x: 100, y: 100 };
+    bulk.startMarqueeSelection({}, true);
+
+    bulk.endMarqueeSelection({ clientX: 130, clientY: 140 });
+
+    expect(state.bulkMode).toBe(true);
+    expect(state.selectedModels.has('/models/test.safetensors')).toBe(true);
+    expect(card.classList.contains('selected')).toBe(true);
+  });
+
+  it('keeps auto-scroll marquee selections when the pointer only moved a few pixels', () => {
+    const bulk = createBulkManager();
+    const pageContent = document.querySelector('.page-content');
+
+    // Card just below the press point in document coordinates.
+    const card = document.createElement('div');
+    card.className = 'model-card';
+    card.dataset.filepath = '/models/off-screen.safetensors';
+    card.getBoundingClientRect = () => ({
+      top: 950,
+      left: 400,
+      right: 600,
+      bottom: 1050,
+      width: 200,
+      height: 100,
+      x: 400,
+      y: 950,
+      toJSON: () => ({}),
+    });
+    document.body.appendChild(card);
+
+    pageContent.dispatchEvent(fire('mousedown', { button: 0, clientX: 500, clientY: 900 }));
+    vi.advanceTimersByTime(100);
+
+    // Small pointer move: enough to start the marquee, but under minMarqueeSize.
+    document.dispatchEvent(fire('mousemove', { buttons: 1, clientX: 506, clientY: 906 }));
+    expect(bulk.isMarqueeActive).toBe(true);
+
+    // Auto-scroll grows the document-space box while the pointer stays nearly still.
+    pageContent.scrollTop = 200;
+    card.getBoundingClientRect = () => ({
+      top: 750,
+      left: 400,
+      right: 600,
+      bottom: 850,
+      width: 200,
+      height: 100,
+      x: 400,
+      y: 750,
+      toJSON: () => ({}),
+    });
+    document.dispatchEvent(fire('mousemove', { buttons: 1, clientX: 506, clientY: 906 }));
+
+    expect(state.selectedModels.has('/models/off-screen.safetensors')).toBe(true);
+
+    // Release: the client-space box is tiny, but the document-space box is not.
+    document.dispatchEvent(fire('mouseup', { button: 0, clientX: 506, clientY: 906 }));
+
+    expect(state.selectedModels.has('/models/off-screen.safetensors')).toBe(true);
+    expect(state.bulkMode).toBe(true);
+  });
+});

tests/frontend/managers/settingsManager.library.test.js

@@ -106,6 +106,118 @@ afterEach(() => {
     });
 });
 
+describe('SettingsManager root selects', () => {
+    const rootCases = [
+        {
+            method: 'loadLoraRoots',
+            selectId: 'defaultLoraRoot',
+            endpoint: '/api/lm/loras/roots',
+            errorKey: 'toast.settings.loraRootsFailed',
+        },
+        {
+            method: 'loadCheckpointRoots',
+            selectId: 'defaultCheckpointRoot',
+            endpoint: '/api/lm/checkpoints/checkpoints_roots',
+            errorKey: 'toast.settings.checkpointRootsFailed',
+        },
+        {
+            method: 'loadUnetRoots',
+            selectId: 'defaultUnetRoot',
+            endpoint: '/api/lm/checkpoints/unet_roots',
+            errorKey: 'toast.settings.unetRootsFailed',
+        },
+        {
+            method: 'loadEmbeddingRoots',
+            selectId: 'defaultEmbeddingRoot',
+            endpoint: '/api/lm/embeddings/roots',
+            errorKey: 'toast.settings.embeddingRootsFailed',
+        },
+    ];
+
+    const appendRootSelect = (id) => {
+        const select = document.createElement('select');
+        select.id = id;
+        document.body.appendChild(select);
+        return select;
+    };
+
+    it.each(rootCases)(
+        'populates the $method select with roots and keeps it enabled',
+        async ({ method, selectId, endpoint }) => {
+            const manager = createManager();
+            const select = appendRootSelect(selectId);
+            select.disabled = true;
+
+            global.fetch = vi.fn().mockResolvedValue({
+                ok: true,
+                json: async () => ({
+                    success: true,
+                    roots: ['/models/root-a', '/models/root-b'],
+                }),
+            });
+
+            await manager[method]();
+
+            expect(global.fetch).toHaveBeenCalledWith(endpoint);
+            expect(Array.from(select.options).map(option => option.value)).toEqual([
+                '/models/root-a',
+                '/models/root-b',
+            ]);
+            expect(select.disabled).toBe(false);
+            expect(showToast).not.toHaveBeenCalled();
+        }
+    );
+
+    it.each(rootCases)(
+        'shows a placeholder and no error toast when $method has empty roots',
+        async ({ method, selectId, endpoint }) => {
+            const manager = createManager();
+            const select = appendRootSelect(selectId);
+
+            global.fetch = vi.fn().mockResolvedValue({
+                ok: true,
+                json: async () => ({
+                    success: true,
+                    roots: [],
+                }),
+            });
+
+            await manager[method]();
+
+            expect(global.fetch).toHaveBeenCalledWith(endpoint);
+            expect(select.options).toHaveLength(1);
+            expect(select.options[0].value).toBe('');
+            expect(select.options[0].textContent).toBe('No Default');
+            expect(select.disabled).toBe(true);
+            expect(showToast).not.toHaveBeenCalled();
+        }
+    );
+
+    it.each(rootCases)(
+        'shows an error toast when the $method roots request fails',
+        async ({ method, selectId, errorKey }) => {
+            const manager = createManager();
+            const select = appendRootSelect(selectId);
+
+            global.fetch = vi.fn().mockResolvedValue({
+                ok: false,
+                status: 500,
+            });
+
+            await manager[method]();
+
+            expect(select.options).toHaveLength(1);
+            expect(select.options[0].value).toBe('');
+            expect(select.disabled).toBe(true);
+            expect(showToast).toHaveBeenCalledWith(
+                errorKey,
+                expect.objectContaining({ message: expect.any(String) }),
+                'error',
+            );
+        }
+    );
+});
+
 describe('SettingsManager library controls', () => {
     it('loads libraries and populates the select', async () => {
         const manager = createManager();

tests/frontend/managers/updateService.test.js

@@ -1,12 +1,26 @@
 import { describe, beforeEach, afterEach, expect, it, vi } from 'vitest';
 import { UpdateService } from '../../../static/js/managers/UpdateService.js';
+import { state } from '../../../static/js/state/index.js';
 
 function createFetchResponse(payload) {
     return {
-        json: vi.fn().mockResolvedValue(payload)
+        json: vi.fn().mockResolvedValue(payload),
+        ok: true,
     };
 }
 
+function stubSettingsUpdateChannel(channel) {
+    state.global = state.global || {};
+    state.global.settings = state.global.settings || {};
+    state.global.settings.update_channel = channel;
+}
+
+function clearSettingsUpdateChannel() {
+    if (state.global?.settings) {
+        delete state.global.settings.update_channel;
+    }
+}
+
 describe('UpdateService passive checks', () => {
     let service;
     let fetchMock;
@@ -16,10 +30,13 @@ describe('UpdateService passive checks', () => {
             success: true,
             current_version: 'v1.0.0',
             latest_version: 'v1.0.0',
-            git_info: { short_hash: 'abc123' }
+            git_info: { short_hash: 'abc123' },
+            has_git: true,
         }));
         global.fetch = fetchMock;
 
+        stubSettingsUpdateChannel('release');
+
         service = new UpdateService();
         service.updateNotificationsEnabled = false;
         service.lastCheckTime = 0;
@@ -28,6 +45,7 @@ describe('UpdateService passive checks', () => {
 
     afterEach(() => {
         delete global.fetch;
+        clearSettingsUpdateChannel();
     });
 
     it('skips passive update checks when notifications are disabled', async () => {
@@ -43,3 +61,106 @@ describe('UpdateService passive checks', () => {
         expect(fetchMock).toHaveBeenCalledWith('/api/lm/check-updates?nightly=false');
     });
 });
+
+describe('UpdateService nightly notification throttling', () => {
+    let fetchMock;
+    let updateToggle;
+    let updateBadge;
+
+    function stubUpdateBadgeDom() {
+        updateToggle = document.createElement('div');
+        updateToggle.className = 'update-toggle';
+        updateBadge = document.createElement('span');
+        updateBadge.className = 'update-badge';
+        updateToggle.appendChild(updateBadge);
+        document.body.appendChild(updateToggle);
+
+        vi.spyOn(document, 'querySelector').mockImplementation((selector) => {
+            if (selector === '.update-toggle') return updateToggle;
+            if (selector === '.update-toggle .update-badge') return updateBadge;
+            return null;
+        });
+    }
+
+    function makeUpdateResponse(channel) {
+        return {
+            success: true,
+            current_version: 'v1.0.0',
+            latest_version: channel === 'nightly' ? 'main-abc1234' : 'v1.1.0',
+            update_available: true,
+            git_info: { short_hash: 'abc123' },
+            has_git: true,
+            nightly: channel === 'nightly',
+            changelog: ['test: change'],
+            releases: [],
+            behind_by: 3,
+            commit_date: '2026-07-31',
+        };
+    }
+
+    beforeEach(() => {
+        fetchMock = vi.fn().mockResolvedValue(createFetchResponse(makeUpdateResponse('release')));
+        global.fetch = fetchMock;
+        stubUpdateBadgeDom();
+    });
+
+    afterEach(() => {
+        vi.restoreAllMocks();
+        delete global.fetch;
+    });
+
+    it('shows the nightly badge once and keeps it visible for the session', async () => {
+        stubSettingsUpdateChannel('nightly');
+        fetchMock.mockResolvedValue(createFetchResponse(makeUpdateResponse('nightly')));
+
+        const service = new UpdateService();
+        service.updateNotificationsEnabled = true;
+
+        await service.checkForUpdates({ force: true });
+
+        expect(service.updateAvailable).toBe(true);
+        expect(service.nightlyBadgeShown).toBe(true);
+        expect(service.nightlyNotifyDate).toBe(service._getTodayKey());
+        expect(updateBadge.classList.contains('visible')).toBe(true);
+
+        // A repeated check within the same session keeps the badge visible.
+        await service.checkForUpdates({ force: true });
+        expect(updateBadge.classList.contains('visible')).toBe(true);
+    });
+
+    it('suppresses the nightly badge on a later session in the same day', async () => {
+        stubSettingsUpdateChannel('nightly');
+        fetchMock.mockResolvedValue(createFetchResponse(makeUpdateResponse('nightly')));
+
+        const firstService = new UpdateService();
+        firstService.updateNotificationsEnabled = true;
+        await firstService.checkForUpdates({ force: true });
+        expect(updateBadge.classList.contains('visible')).toBe(true);
+
+        // Simulate a fresh page session on the same calendar day.
+        const secondService = new UpdateService();
+        secondService.updateNotificationsEnabled = true;
+        await secondService.checkForUpdates({ force: true });
+
+        expect(secondService.updateAvailable).toBe(true);
+        expect(secondService.nightlyBadgeShown).toBe(false);
+        expect(updateBadge.classList.contains('visible')).toBe(false);
+    });
+
+    it('is not affected by the daily limit on the release channel', async () => {
+        stubSettingsUpdateChannel('release');
+        fetchMock.mockResolvedValue(createFetchResponse(makeUpdateResponse('release')));
+
+        const firstService = new UpdateService();
+        firstService.updateNotificationsEnabled = true;
+        await firstService.checkForUpdates({ force: true });
+        expect(updateBadge.classList.contains('visible')).toBe(true);
+
+        const secondService = new UpdateService();
+        secondService.updateNotificationsEnabled = true;
+        await secondService.checkForUpdates({ force: true });
+
+        expect(secondService.updateAvailable).toBe(true);
+        expect(updateBadge.classList.contains('visible')).toBe(true);
+    });
+});