feat(ui): add seeded random sort option to model pages (#1049)

locales/de.json

@@ -714,7 +714,9 @@
         "versionsCount": "Lokale Versionen",
         "versionsCountDesc": "Meiste Versionen zuerst",
         "versionsCountAsc": "Wenigste Versionen zuerst",
-        "versionIdDesc": "Neueste Version zuerst"
+        "versionIdDesc": "Neueste Version zuerst",
+        "random": "Zufällig",
+        "randomAction": "Zufällig mischen"
       },
       "refresh": {
         "title": "Modelliste aktualisieren",

locales/en.json

@@ -714,7 +714,9 @@
         "versionsCount": "Local Versions",
         "versionsCountDesc": "Most versions first",
         "versionsCountAsc": "Fewest versions first",
-        "versionIdDesc": "Newest version first"
+        "versionIdDesc": "Newest version first",
+        "random": "Random",
+        "randomAction": "Randomize (shuffle)"
       },
       "refresh": {
         "title": "Refresh model list",

locales/es.json

@@ -714,7 +714,9 @@
         "versionsCount": "Versiones locales",
         "versionsCountDesc": "Más versiones primero",
         "versionsCountAsc": "Menos versiones primero",
-        "versionIdDesc": "Versión más nueva primero"
+        "versionIdDesc": "Versión más nueva primero",
+        "random": "Aleatorio",
+        "randomAction": "Aleatorizar (barajar)"
       },
       "refresh": {
         "title": "Actualizar lista de modelos",

locales/fr.json

@@ -714,7 +714,9 @@
         "versionsCount": "Versions locales",
         "versionsCountDesc": "Plus de versions d'abord",
         "versionsCountAsc": "Moins de versions d'abord",
-        "versionIdDesc": "Version la plus récente d'abord"
+        "versionIdDesc": "Version la plus récente d'abord",
+        "random": "Aléatoire",
+        "randomAction": "Aléatoire (mélanger)"
       },
       "refresh": {
         "title": "Actualiser la liste des modèles",

locales/he.json

@@ -714,7 +714,9 @@
         "versionsCount": "גרסאות מקומיות",
         "versionsCountDesc": "הכי הרבה גרסאות ראשונות",
         "versionsCountAsc": "הכי מעט גרסאות ראשונות",
-        "versionIdDesc": "גרסה חדשה ביותר ראשונה"
+        "versionIdDesc": "גרסה חדשה ביותר ראשונה",
+        "random": "אקראי",
+        "randomAction": "ערבוב אקראי"
       },
       "refresh": {
         "title": "רענן רשימת מודלים",

locales/ja.json

@@ -714,7 +714,9 @@
         "versionsCount": "ローカルバージョン数",
         "versionsCountDesc": "バージョン数の多い順",
         "versionsCountAsc": "バージョン数の少ない順",
-        "versionIdDesc": "最新バージョン順"
+        "versionIdDesc": "最新バージョン順",
+        "random": "ランダム",
+        "randomAction": "シャッフル（ランダム）"
       },
       "refresh": {
         "title": "モデルリストを更新",

locales/ko.json

@@ -714,7 +714,9 @@
         "versionsCount": "로컬 버전 수",
         "versionsCountDesc": "버전 수 많은 순",
         "versionsCountAsc": "버전 수 적은 순",
-        "versionIdDesc": "최신 버전순"
+        "versionIdDesc": "최신 버전순",
+        "random": "랜덤",
+        "randomAction": "셔플 (무작위)"
       },
       "refresh": {
         "title": "모델 목록 새로고침",

locales/ru.json

@@ -714,7 +714,9 @@
         "versionsCount": "Локальные версии",
         "versionsCountDesc": "Сначала больше версий",
         "versionsCountAsc": "Сначала меньше версий",
-        "versionIdDesc": "Сначала новые версии"
+        "versionIdDesc": "Сначала новые версии",
+        "random": "Случайно",
+        "randomAction": "Перемешать"
       },
       "refresh": {
         "title": "Обновить список моделей",

locales/zh-CN.json

@@ -714,7 +714,9 @@
         "versionsCount": "本地版本数",
         "versionsCountDesc": "版本数从多到少",
         "versionsCountAsc": "版本数从少到多",
-        "versionIdDesc": "最新版本优先"
+        "versionIdDesc": "最新版本优先",
+        "random": "随机",
+        "randomAction": "随机排序（洗牌）"
       },
       "refresh": {
         "title": "刷新模型列表",

locales/zh-TW.json

@@ -714,7 +714,9 @@
         "versionsCount": "本地版本數",
         "versionsCountDesc": "版本數從多到少",
         "versionsCountAsc": "版本數從少到多",
-        "versionIdDesc": "最新版本優先"
+        "versionIdDesc": "最新版本優先",
+        "random": "隨機",
+        "randomAction": "隨機排序（洗牌）"
       },
       "refresh": {
         "title": "重新整理模型列表",

py/routes/handlers/misc_handlers.py

@@ -2590,6 +2590,8 @@ class ModelLibraryHandler:
                     status=400,
                 )
 
+            cursor = request.query.get("cursor")
+
             metadata_provider = await self._metadata_provider_factory()
             if not metadata_provider:
                 return web.json_response(
@@ -2598,7 +2600,7 @@ class ModelLibraryHandler:
                 )
 
             try:
-                models = await metadata_provider.get_user_models(username)
+                result = await metadata_provider.get_user_models(username, cursor)
             except NotImplementedError:
                 return web.json_response(
                     {
@@ -2608,14 +2610,35 @@ class ModelLibraryHandler:
                     status=501,
                 )
 
-            if models is None:
+            if result is None:
                 return web.json_response(
                     {"success": False, "error": "Failed to fetch user models"},
                     status=502,
                 )
 
+            if isinstance(result, dict):
+                models = result.get("items")
+                next_cursor = result.get("nextCursor")
+            else:
+                # Defensive: tolerate providers that still return a raw list
+                models = result
+                next_cursor = None
+
             if not isinstance(models, list):
                 models = []
+            if next_cursor is not None and not isinstance(next_cursor, str):
+                next_cursor = str(next_cursor)
+
+            estimated_total = None
+            if cursor is None:
+                get_count = getattr(metadata_provider, "get_creator_model_count", None)
+                if get_count is not None:
+                    try:
+                        estimated_total = await get_count(username)
+                    except Exception:  # best-effort only
+                        estimated_total = None
+                if not isinstance(estimated_total, int):
+                    estimated_total = None
 
             lora_scanner = await self._service_registry.get_lora_scanner()
             checkpoint_scanner = await self._service_registry.get_checkpoint_scanner()
@@ -2635,6 +2658,7 @@ class ModelLibraryHandler:
             versions: list[dict] = []
             history_service = await self._get_download_history_service()
             model_ids: list[int] = []
+            model_count = 0
             for model in models:
                 try:
                     model_ids.append(int(model.get("id")))
@@ -2668,6 +2692,8 @@ class ModelLibraryHandler:
                 if model_type not in normalized_allowed_types:
                     continue
 
+                model_count += 1
+
                 scanner = type_scanner_map.get(model_type)
                 if scanner is None:
                     return web.json_response(
@@ -2733,7 +2759,15 @@ class ModelLibraryHandler:
                     )
 
             return web.json_response(
-                {"success": True, "username": username, "versions": versions}
+                {
+                    "success": True,
+                    "username": username,
+                    "versions": versions,
+                    "modelCount": model_count,
+                    "nextCursor": next_cursor,
+                    "hasMore": next_cursor is not None,
+                    "estimatedTotal": estimated_total,
+                }
             )
         except Exception as exc:  # pragma: no cover - defensive logging
             logger.error("Failed to get Civitai user models: %s", exc, exc_info=True)

py/services/base_model_service.py

@@ -1,6 +1,7 @@
 from abc import ABC, abstractmethod
 import asyncio
 import re
+import random
 from typing import Any, Dict, List, Optional, Type, Union, TYPE_CHECKING
 import logging
 import os
@@ -390,6 +391,12 @@ class BaseModelService(ABC):
                 (item.get("model_name") or item.get("file_name") or "").lower(),
                 item.get("file_path", "").lower(),
             )
+        elif key_name == "random":
+            # Seeded random shuffle: same seed -> same order (stable pagination)
+            rng = random.Random(sort_params.seed or "random")
+            result = list(data)
+            rng.shuffle(result)
+            return result
         elif key_name == "size":
             key_fn = lambda item: (
                 int(item.get("size", 0) or 0),

py/services/civitai_client.py

@@ -2,6 +2,7 @@ import asyncio
 import copy
 import logging
 import os
+import time
 from collections import OrderedDict
 from typing import Any, Optional, Dict, Tuple, List, Sequence
 from .connectivity_guard import (
@@ -19,6 +20,12 @@ from ..utils.civitai_utils import resolve_license_payload
 
 logger = logging.getLogger(__name__)
 
+# Best-effort cache for creator model counts, keyed by lowercase username.
+# Values are (monotonic timestamp, count or None); None results are cached
+# too so repeated failures don't hammer the API.
+_CREATOR_COUNT_CACHE_TTL_SECONDS = 600
+_creator_model_count_cache: Dict[str, Tuple[float, Optional[int]]] = {}
+
 
 class CivitaiClient:
     _instance = None
@@ -743,17 +750,34 @@ class CivitaiClient:
 
         return all_versions if all_versions else None
 
-    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
-        """Fetch all models for a specific Civitai user."""
+    async def get_user_models(
+        self, username: str, cursor: Optional[str] = None
+    ) -> Optional[Dict[str, Any]]:
+        """Fetch one page (up to 100 models) for a specific Civitai user.
+
+        Returns ``{"items": [...], "nextCursor": <str|None>}`` on success,
+        or None on failure. Pass ``cursor`` (from a previous response's
+        ``nextCursor``) to fetch subsequent pages.
+        """
         if not username:
             return None
 
+        params: Dict[str, Any] = {
+            "username": username,
+            "nsfw": "true",
+            "limit": 100,
+            "sort": "Newest",
+            "period": "AllTime",
+        }
+        if cursor:
+            params["cursor"] = cursor
+
         try:
             success, result = await self._make_request(
                 "GET",
                 f"{self.base_url}/models",
                 use_auth=True,
-                params={"username": username, "nsfw": "true"},
+                params=params,
             )
 
             if not success:
@@ -765,7 +789,7 @@ class CivitaiClient:
 
             items = result.get("items") if isinstance(result, dict) else None
             if not isinstance(items, list):
-                return []
+                items = []
 
             for model in items:
                 versions = model.get("modelVersions")
@@ -774,9 +798,68 @@ class CivitaiClient:
                 for version in versions:
                     self._remove_comfy_metadata(version)
 
-            return items
+            next_cursor: Optional[str] = None
+            metadata = result.get("metadata") if isinstance(result, dict) else None
+            if isinstance(metadata, dict):
+                raw_cursor = metadata.get("nextCursor")
+                if raw_cursor is not None:
+                    next_cursor = str(raw_cursor)
+
+            return {"items": items, "nextCursor": next_cursor}
         except RateLimitError:
             raise
         except Exception as exc:  # pragma: no cover - defensive logging
             logger.error("Error fetching models for %s: %s", username, exc)
             return None
+
+    async def get_creator_model_count(self, username: str) -> Optional[int]:
+        """Best-effort lookup of a creator's published model count.
+
+        Uses the ``/creators`` endpoint (a contains-match query), picking the
+        entry whose username matches exactly (case-insensitive). Returns None
+        on any failure; never raises. Results (including None) are cached
+        for ``_CREATOR_COUNT_CACHE_TTL_SECONDS``.
+        """
+        if not username:
+            return None
+
+        cache_key = username.lower()
+        cached = _creator_model_count_cache.get(cache_key)
+        if cached is not None:
+            cached_at, cached_count = cached
+            if time.monotonic() - cached_at < _CREATOR_COUNT_CACHE_TTL_SECONDS:
+                return cached_count
+
+        count: Optional[int] = None
+        try:
+            success, result = await self._make_request(
+                "GET",
+                f"{self.base_url}/creators",
+                use_auth=True,
+                params={"query": username, "limit": 10},
+            )
+
+            if success and isinstance(result, dict):
+                creators = result.get("items")
+                if isinstance(creators, list):
+                    for creator in creators:
+                        if not isinstance(creator, dict):
+                            continue
+                        creator_name = creator.get("username")
+                        if not isinstance(creator_name, str):
+                            continue
+                        if creator_name.lower() != cache_key:
+                            continue
+                        model_count = creator.get("modelCount")
+                        if isinstance(model_count, (int, float)) and not isinstance(
+                            model_count, bool
+                        ):
+                            count = int(model_count)
+                        break
+        except Exception as exc:  # best-effort only, never propagate
+            logger.debug(
+                "Failed to fetch creator model count for %s: %s", username, exc
+            )
+
+        _creator_model_count_cache[cache_key] = (time.monotonic(), count)
+        return count

py/services/model_cache.py

@@ -1,6 +1,7 @@
 import asyncio
 import time
 import logging
+import random
 
 logger = logging.getLogger(__name__)
 from typing import Any, Dict, List, Optional, Tuple
@@ -38,8 +39,8 @@ class ModelCache:
 
     def __post_init__(self):
         self._lock = asyncio.Lock()
-        # Cache for last sort: (sort_key, order) -> sorted list
-        self._last_sort: Tuple[str, str] = (None, None)
+        # Cache for last sort: (sort_key, order, seed) -> sorted list
+        self._last_sort: Tuple[Optional[str], str, Optional[str]] = (None, "asc", None)
         self._last_sorted_data: List[Dict] = []
         self._normalize_raw_data()
         self.name_display_mode = self._normalize_display_mode(self.name_display_mode)
@@ -203,9 +204,9 @@ class ModelCache:
     async def resort(self):
         """Resort cached data according to last sort mode if set"""
         async with self._lock:
-            if self._last_sort != (None, None):
-                sort_key, order = self._last_sort
-                sorted_data = self._sort_data(self.raw_data, sort_key, order)
+            if self._last_sort[0] is not None:
+                sort_key, order, seed = self._last_sort
+                sorted_data = self._sort_data(self.raw_data, sort_key, order, seed)
                 self._last_sorted_data = sorted_data
                 # Update folder list
             # else: do nothing
@@ -218,7 +219,7 @@ class ModelCache:
             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]:
+    def _sort_data(self, data: List[Dict], sort_key: str, order: str, seed: Optional[str] = None) -> List[Dict]:
         """Sort data by sort_key and order"""
         start_time = time.perf_counter()
         reverse = (order == 'desc')
@@ -265,6 +266,13 @@ class ModelCache:
                 ),
                 reverse=reverse
             )
+        elif sort_key == 'random':
+            # Random shuffle seeded for stable pagination: the same seed
+            # always yields the same order, so successive page requests
+            # stay consistent while browsing.
+            rng = random.Random(seed or 'random')
+            result = list(data)
+            rng.shuffle(result)
         elif sort_key == 'versions_count':
             # Pre-dedup sort: fall back to name sort.
             # Actual re-sort by version_count happens in get_paginated_data after dedup.
@@ -285,15 +293,16 @@ class ModelCache:
             logger.debug("ModelCache._sort_data(%s, %s) for %d items took %.3fs", sort_key, order, len(data), duration)
         return result
 
-    async def get_sorted_data(self, sort_key: str = 'name', order: str = 'asc') -> List[Dict]:
+    async def get_sorted_data(self, sort_key: str = 'name', order: str = 'asc', seed: Optional[str] = None) -> List[Dict]:
         """Get sorted data by sort_key and order, using cache if possible"""
         async with self._lock:
-            if (sort_key, order) == self._last_sort:
+            cache_key = (sort_key, order, seed)
+            if cache_key == self._last_sort:
                 return self._last_sorted_data
             
             start_time = time.perf_counter()
-            sorted_data = self._sort_data(self.raw_data, sort_key, order)
-            self._last_sort = (sort_key, order)
+            sorted_data = self._sort_data(self.raw_data, sort_key, order, seed)
+            self._last_sort = cache_key
             self._last_sorted_data = sorted_data
             
             duration = time.perf_counter() - start_time
@@ -313,8 +322,8 @@ class ModelCache:
             self.name_display_mode = normalized
 
             if self._last_sort[0] == 'name':
-                sort_key, order = self._last_sort
-                self._last_sorted_data = self._sort_data(self.raw_data, sort_key, order)
+                sort_key, order, seed = self._last_sort
+                self._last_sorted_data = self._sort_data(self.raw_data, sort_key, order, seed)
 
     async def update_preview_url(self, file_path: str, preview_url: str, preview_nsfw_level: int) -> bool:
         """Update preview_url for a specific model in all cached data

py/services/model_metadata_provider.py

@@ -143,10 +143,18 @@ class ModelMetadataProvider(ABC):
         pass
 
     @abstractmethod
-    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
-        """Fetch models owned by the specified user"""
+    async def get_user_models(self, username: str, cursor: Optional[str] = None) -> Optional[Dict]:
+        """Fetch one page of models owned by the specified user.
+
+        Returns ``{"items": [...], "nextCursor": <str|None>}`` on success,
+        or None when unsupported/failed. ``cursor`` continues a previous page.
+        """
         pass
 
+    async def get_creator_model_count(self, username: str) -> Optional[int]:
+        """Published model count for the user; None when unsupported."""
+        return None
+
 class CivitaiModelMetadataProvider(ModelMetadataProvider):
     """Provider that uses Civitai API for metadata"""
     
@@ -175,8 +183,11 @@ 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)
+    async def get_user_models(self, username: str, cursor: Optional[str] = None) -> Optional[Dict]:
+        return await self.client.get_user_models(username, cursor)
+
+    async def get_creator_model_count(self, username: str) -> Optional[int]:
+        return await self.client.get_creator_model_count(username)
 
 class CivArchiveModelMetadataProvider(ModelMetadataProvider):
     """Provider that uses CivArchive API for metadata"""
@@ -196,7 +207,7 @@ class CivArchiveModelMetadataProvider(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]]:
+    async def get_user_models(self, username: str, cursor: Optional[str] = None) -> Optional[Dict]:
         """Not supported by CivArchive provider"""
         return None
 
@@ -347,7 +358,7 @@ class SQLiteModelMetadataProvider(ModelMetadataProvider):
             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]]:
+    async def get_user_models(self, username: str, cursor: Optional[str] = None) -> Optional[Dict]:
         """Listing models by username is not supported for archive database"""
         return None
     
@@ -602,13 +613,14 @@ class FallbackMetadataProvider(ModelMetadataProvider):
                 continue
         return None
 
-    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+    async def get_user_models(self, username: str, cursor: Optional[str] = None) -> Optional[Dict]:
         for provider, label in self._iter_providers():
             try:
                 result = await self._call_with_rate_limit(
                     label,
                     provider.get_user_models,
                     username,
+                    cursor=cursor,
                 )
                 if result is not None:
                     return result
@@ -624,6 +636,19 @@ class FallbackMetadataProvider(ModelMetadataProvider):
                 continue
         return None
 
+    async def get_creator_model_count(self, username: str) -> Optional[int]:
+        for provider, label in self._iter_providers():
+            try:
+                result = await provider.get_creator_model_count(username)
+                if result is not None:
+                    return result
+            except Exception as e:
+                logger.debug(
+                    "Provider %s failed for get_creator_model_count: %s", label, e
+                )
+                continue
+        return None
+
     def _iter_providers(self):
         return zip(self.providers, self._provider_labels)
 
@@ -704,13 +729,17 @@ class RateLimitRetryingProvider(ModelMetadataProvider):
             version_id,
         )
 
-    async def get_user_models(self, username: str) -> Optional[List[Dict]]:
+    async def get_user_models(self, username: str, cursor: Optional[str] = None) -> Optional[Dict]:
         return await self._rate_limit_helper.run(
             self._label,
             self._provider.get_user_models,
             username,
+            cursor=cursor,
         )
 
+    async def get_creator_model_count(self, username: str) -> Optional[int]:
+        return await self._provider.get_creator_model_count(username)
+
 class ModelMetadataProviderManager:
     """Manager for selecting and using model metadata providers"""
     
@@ -776,10 +805,20 @@ class ModelMetadataProviderManager:
         except NotImplementedError:
             return None
 
-    async def get_user_models(self, username: str, provider_name: str = None) -> Optional[List[Dict]]:
-        """Fetch models owned by the specified user"""
+    async def get_user_models(
+        self,
+        username: str,
+        provider_name: str = None,
+        cursor: Optional[str] = None,
+    ) -> Optional[Dict]:
+        """Fetch one page of models owned by the specified user"""
         provider = self._get_provider(provider_name)
-        return await provider.get_user_models(username)
+        return await provider.get_user_models(username, cursor)
+
+    async def get_creator_model_count(self, username: str, provider_name: str = None) -> Optional[int]:
+        """Best-effort published model count for the specified user"""
+        provider = self._get_provider(provider_name)
+        return await provider.get_creator_model_count(username)
         
     def _get_provider(self, provider_name: str = None) -> ModelMetadataProvider:
         """Get provider by name or default provider"""

py/services/model_query.py

@@ -85,6 +85,7 @@ class SortParams:
 
     key: str
     order: str
+    seed: Optional[str] = None
 
 
 @dataclass(frozen=True)
@@ -116,7 +117,7 @@ class ModelCacheRepository:
     async def fetch_sorted(self, params: SortParams) -> List[Dict[str, Any]]:
         """Fetch cached data pre-sorted according to ``params``."""
         cache = await self.get_cache()
-        return await cache.get_sorted_data(params.key, params.order)
+        return await cache.get_sorted_data(params.key, params.order, params.seed)
 
     @staticmethod
     def parse_sort(sort_by: str) -> SortParams:
@@ -132,10 +133,17 @@ class ModelCacheRepository:
             sort_key = sort_by.strip().lower() or "name"
             order = "asc"
 
-        if order not in ("asc", "desc"):
+        seed = None
+        if sort_key == "random":
+            # Random sort: the portion after ':' is the shuffle seed.
+            # A stable seed keeps paginated requests consistent; order is
+            # meaningless for a random shuffle.
+            seed = order if order and order not in ("asc", "desc") else None
+            order = "asc"
+        elif order not in ("asc", "desc"):
             order = "asc"
 
-        return SortParams(key=sort_key, order=order)
+        return SortParams(key=sort_key, order=order, seed=seed)
 
 
 class ModelFilterSet:

py/services/model_scanner.py

@@ -1752,7 +1752,7 @@ class ModelScanner:
         # ---- Conditional resort (only when sort-key fields changed) ----
         need_resort = False
         _last = cache._last_sort
-        sort_key: Optional[str] = _last[0] if _last != (None, None) else None
+        sort_key: Optional[str] = _last[0] if _last[0] is not None else None
         if sort_key == "name":
             if (
                 old_model_name != desired_entry.get("model_name", "")

py/utils/example_images_download_manager.py

@@ -14,11 +14,16 @@ from ..services.service_registry import ServiceRegistry
 from ..utils.example_images_paths import (
     ExampleImagePathResolver,
     ensure_library_root_exists,
+    get_example_images_root,
+    is_hash_folder,
     uses_library_scoped_folders,
 )
 from ..utils.metadata_manager import MetadataManager
 from .example_images_processor import ExampleImagesProcessor
-from .example_images_metadata import MetadataUpdater
+from .example_images_metadata import (
+    MetadataUpdater,
+    update_cache_from_metadata,
+)
 from ..services.downloader import get_downloader
 from ..services.settings_manager import get_settings_manager
 
@@ -87,6 +92,13 @@ class _DownloadProgress(dict):
         return snapshot
 
 
+# When fewer candidates than this remain in check_pending_models, probe each
+# model folder directly (preserving legacy-folder migration semantics). Above
+# it, build a folder index with a single directory scan so libraries with
+# 100k+ models do not pay one syscall per candidate.
+_BULK_LOOKUP_THRESHOLD = 1000
+
+
 def _model_directory_has_files(path: str) -> bool:
     """Return True when the provided directory exists and contains entries."""
 
@@ -103,6 +115,36 @@ def _model_directory_has_files(path: str) -> bool:
     return False
 
 
+def _build_example_folder_index(output_dir: str) -> dict[str, bool]:
+    """Build a ``{hash: has_files}`` index for a library's example-image folders.
+
+    A single directory scan over the library root replaces ``O(candidates)``
+    per-folder ``os.scandir`` calls, which is required for libraries with
+    100k+ models. Each hash folder is classified by whether it contains any
+    entries, matching the semantics of ``_model_directory_has_files``.
+    """
+
+    index: dict[str, bool] = {}
+    if not output_dir or not os.path.isdir(output_dir):
+        return index
+
+    try:
+        with os.scandir(output_dir) as entries:
+            for entry in entries:
+                name = entry.name
+                if not entry.is_dir() or not is_hash_folder(name):
+                    continue
+                try:
+                    with os.scandir(entry.path) as subentries:
+                        index[name.lower()] = any(subentries)
+                except OSError:
+                    index[name.lower()] = False
+    except OSError:
+        pass
+
+    return index
+
+
 class DownloadManager:
     """Manages downloading example images for models."""
 
@@ -410,14 +452,49 @@ class DownloadManager:
             # Calculate pending count: check which models actually need processing.
             # A model is pending if it has a hash, is not already processed or known-failed,
             # and its folder doesn't exist or is empty.
-            pending_hashes = set()
-            for model_hash, model_name in all_models_with_hash:
-                if model_hash not in processed_models and model_hash not in failed_models:
+            candidate_hashes = [
+                model_hash
+                for model_hash, _ in all_models_with_hash
+                if model_hash not in processed_models
+                and model_hash not in failed_models
+            ]
+
+            pending_hashes: set[str] = set()
+            # For small candidate counts the existing per-folder check is fine
+            # and handles legacy folder migration.
+            # For large libraries, scan the library root once and do set lookups.
+            if len(candidate_hashes) <= _BULK_LOOKUP_THRESHOLD or not output_dir:
+                for model_hash in candidate_hashes:
                     model_dir = ExampleImagePathResolver.get_model_folder(
                         model_hash, active_library
                     )
                     if not _model_directory_has_files(model_dir):
                         pending_hashes.add(model_hash)
+            else:
+                folder_index = await asyncio.get_event_loop().run_in_executor(
+                    None, _build_example_folder_index, output_dir
+                )
+                # In multi-library mode, folders that have not been consolidated
+                # into the library root yet (startup migration skipped, failed
+                # move, or created at the legacy path afterwards) still live at
+                # the legacy root/<hash> location. Only scan that root when at
+                # least one candidate is missing from the library-root index, so
+                # the fully-consolidated case does not pay an extra directory
+                # pass on every call.
+                if uses_library_scoped_folders() and any(
+                    not folder_index.get(model_hash, False)
+                    for model_hash in candidate_hashes
+                ):
+                    legacy_root = get_example_images_root()
+                    if legacy_root and legacy_root != output_dir:
+                        legacy_index = await asyncio.get_event_loop().run_in_executor(
+                            None, _build_example_folder_index, legacy_root
+                        )
+                        for hash_key, has_files in legacy_index.items():
+                            folder_index.setdefault(hash_key, has_files)
+                for model_hash in candidate_hashes:
+                    if not folder_index.get(model_hash, False):
+                        pending_hashes.add(model_hash)
 
             pending_count = len(pending_hashes)
 
@@ -1343,8 +1420,8 @@ class DownloadManager:
                 await MetadataManager.save_metadata(file_path, model_copy)
 
                 try:
-                    await scanner.update_single_model_cache(
-                        file_path, file_path, model_data
+                    await update_cache_from_metadata(
+                        scanner, file_path, model_copy
                     )
                 except AttributeError:
                     logger.debug(

py/utils/example_images_metadata.py

@@ -1,3 +1,4 @@
+import inspect
 import logging
 import os
 import re
@@ -28,6 +29,31 @@ if TYPE_CHECKING:  # pragma: no cover - import for type checkers only
     from ..services.settings_manager import SettingsManager
 
 
+async def update_cache_from_metadata(
+    scanner: Any, file_path: str, metadata: Dict[str, Any]
+) -> bool:
+    """Update the scanner cache from a metadata dict using the in-place sync path.
+
+    ``sync_cache_from_metadata`` patches the existing cache entry incrementally
+    (tag/hash/version indexes, targeted single-row SQL update) and only resorts
+    when a sort-key field changed. This avoids the ``O(n)`` full-list resort and
+    full cache rewrite that ``update_single_model_cache`` performs on every call,
+    which is critical for libraries with 100k+ models.
+
+    Falls back to the legacy full update when the scanner does not expose an
+    async ``sync_cache_from_metadata`` method.
+
+    Returns:
+        ``True`` if the cache entry was updated, ``False`` otherwise.
+    """
+
+    sync_method = getattr(scanner, "sync_cache_from_metadata", None)
+    if inspect.iscoroutinefunction(sync_method):
+        return await sync_method(file_path, metadata)
+
+    return await scanner.update_single_model_cache(file_path, file_path, metadata)
+
+
 def _build_metadata_sync_service(settings_manager: "SettingsManager") -> MetadataSyncService:
     """Construct a metadata sync service bound to the provided settings."""
 
@@ -103,8 +129,8 @@ class MetadataUpdater:
                 progress['refreshed_models'].add(model_hash)
             
             async def update_cache_func(old_path, new_path, metadata):
-                return await scanner.update_single_model_cache(old_path, new_path, metadata)
-            
+                return await update_cache_from_metadata(scanner, new_path, metadata)
+
             await MetadataManager.hydrate_model_data(model_data)
             success, error = await _get_metadata_sync_service().fetch_and_update_model(
                 sha256=model_hash,
@@ -234,6 +260,7 @@ class MetadataUpdater:
                 
                 # Save metadata to .metadata.json file
                 file_path = model.get('file_path')
+                model_copy: Optional[Dict[str, Any]] = None
                 try:
                     model_copy = model.copy()
                     model_copy.pop('folder', None)
@@ -241,14 +268,18 @@ class MetadataUpdater:
                     logger.info(f"Saved metadata for {model.get('model_name')}")
                 except Exception as e:
                     logger.error(f"Failed to save metadata for {model.get('model_name')}: {str(e)}")
-                
-                # Save updated metadata to scanner cache
-                success = await scanner.update_single_model_cache(file_path, file_path, model)
-                if success:
+
+                # Save updated metadata to scanner cache. sync_cache_from_metadata
+                # returns False both for "already in sync" and for actual failures,
+                # so the cache sync result is deliberately not treated as an error;
+                # the return value reflects whether the metadata was persisted.
+                if file_path and model_copy is not None:
+                    await update_cache_from_metadata(scanner, file_path, model_copy)
                     logger.info(f"Successfully updated metadata for {model.get('model_name')} with {len(images)} local examples")
                     return True
-                else:
-                    logger.warning(f"Failed to update metadata for {model.get('model_name')}")
+
+                logger.warning(f"Failed to update metadata for {model.get('model_name')}")
+                return False
             
             return False
         except Exception as e:
@@ -336,6 +367,7 @@ class MetadataUpdater:
             
             # Save metadata to .metadata.json file
             file_path = model_data.get('file_path')
+            model_copy: Optional[Dict[str, Any]] = None
             if file_path:
                 try:
                     model_copy = model_data.copy()
@@ -344,11 +376,11 @@ class MetadataUpdater:
                     logger.info(f"Saved metadata for {model_data.get('model_name')}")
                 except Exception as e:
                     logger.error(f"Failed to save metadata: {str(e)}")
-            
+
             # Save updated metadata to scanner cache
-            if file_path:
-                await scanner.update_single_model_cache(file_path, file_path, model_data)
-            
+            if file_path and model_copy is not None:
+                await update_cache_from_metadata(scanner, file_path, model_copy)
+
             # Get regular images array (might be None)
             regular_images = civitai_data.get('images', [])
             

py/utils/example_images_migration.py

@@ -15,6 +15,7 @@ from ..utils.example_images_paths import (
 )
 from ..utils.metadata_manager import MetadataManager
 from ..utils.example_images_processor import ExampleImagesProcessor
+from ..utils.example_images_metadata import update_cache_from_metadata
 from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
 
 logger = logging.getLogger(__name__)
@@ -421,7 +422,7 @@ class ExampleImagesMigration:
                         await MetadataManager.save_metadata(file_path, model_copy)
                         
                         # Update scanner cache
-                        await scanner.update_single_model_cache(file_path, file_path, model_metadata)
+                        await update_cache_from_metadata(scanner, file_path, model_copy)
                         
                         updated_models += 1
                     except Exception as e:

py/utils/example_images_processor.py

@@ -9,7 +9,7 @@ from ..utils.constants import SUPPORTED_MEDIA_EXTENSIONS
 from ..services.service_registry import ServiceRegistry
 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 .example_images_metadata import MetadataUpdater, update_cache_from_metadata
 from ..utils.metadata_manager import MetadataManager
 
 logger = logging.getLogger(__name__)
@@ -644,7 +644,7 @@ class ExampleImagesProcessor:
                     }, status=500)
             
                 # Update cache
-                await scanner.update_single_model_cache(file_path, file_path, model_data)
+                await update_cache_from_metadata(scanner, file_path, model_data)
             
             # Get regular images array (might be None)
             regular_images = civitai_data.get('images', [])
@@ -759,7 +759,7 @@ class ExampleImagesProcessor:
                 model_copy = model_data.copy()
                 model_copy.pop('folder', None)
                 await MetadataManager.save_metadata(file_path, model_copy)
-                await scanner.update_single_model_cache(file_path, file_path, model_data)
+                await update_cache_from_metadata(scanner, file_path, model_copy)
 
             return web.json_response({
                 'success': True,

static/js/components/controls/PageControls.js

@@ -108,10 +108,20 @@ export class PageControls {
         const sortSelect = document.getElementById('sortSelect');
         if (sortSelect) {
             initSortDropdown(sortSelect);
-            sortSelect.value = this.pageState.sortBy;
+            this.applySortToSelect(this.pageState.sortBy);
             sortSelect.addEventListener('change', async (e) => {
-                this.pageState.sortBy = e.target.value;
-                this.saveSortPreference(e.target.value);
+                let value = e.target.value;
+                if (value.startsWith('random')) {
+                    // Every pick of Random reshuffles the list: generate a
+                    // fresh seed so the backend keeps a stable order across
+                    // paginated requests.
+                    value = this._randomizeSortValue();
+                }
+                this.pageState.sortBy = value;
+                this.saveSortPreference(value);
+                // Reset the seeded Random option when switching away from
+                // Random, or re-apply the fresh seed when picking it again.
+                this.applySortToSelect(value);
                 await this.resetAndReload();
             });
         }
@@ -312,6 +322,44 @@ export class PageControls {
         }
     }
     
+    /**
+     * Apply a sort value to the native sort <select>, keeping the Random
+     * option's value in sync when the persisted value carries a seed
+     * (e.g. "random:abc123"). Must be used instead of assigning
+     * sortSelect.value directly whenever the value may be a seeded random
+     * sort, otherwise the native select has no matching option.
+     * @param {string} sortValue - Sort value like "name:asc" or "random:<seed>"
+     */
+    applySortToSelect(sortValue) {
+        const sortSelect = document.getElementById('sortSelect');
+        if (!sortSelect) return;
+        const randomOpt = sortSelect.querySelector('option[value="random"], option[value^="random:"]');
+        if (randomOpt) {
+            randomOpt.value = String(sortValue).startsWith('random') ? sortValue : 'random';
+        }
+        sortSelect.value = sortValue;
+    }
+
+    /**
+     * Generate a fresh seeded random sort value ("random:<seed>") and keep
+     * the native <select> in sync so its value matches the persisted sort
+     * string and the dropdown shows the selected label.
+     * @returns {string} The new sort value, e.g. "random:abc123xyz"
+     */
+    _randomizeSortValue() {
+        const seed = Math.random().toString(36).slice(2, 12);
+        const value = `random:${seed}`;
+        const sortSelect = document.getElementById('sortSelect');
+        if (sortSelect) {
+            const randomOpt = sortSelect.querySelector('option[value="random"], option[value^="random:"]');
+            if (randomOpt) {
+                randomOpt.value = value;
+            }
+            sortSelect.value = value;
+        }
+        return value;
+    }
+
     /**
      * Load sort preference from storage
      */
@@ -326,10 +374,7 @@ export class PageControls {
             // Handle legacy format conversion
             const convertedSort = this.convertLegacySortFormat(savedSort);
             this.pageState.sortBy = convertedSort;
-            const sortSelect = document.getElementById('sortSelect');
-            if (sortSelect) {
-                sortSelect.value = convertedSort;
-            }
+            this.applySortToSelect(convertedSort);
         }
     }
     
@@ -523,9 +568,9 @@ export class PageControls {
         this.pageState.sortBy = restoredSort;
         this.saveSortPreference(restoredSort);
         this._removeVlmSortOption();
+        this.applySortToSelect(restoredSort);
         const sortSelect = document.getElementById('sortSelect');
         if (sortSelect) {
-            sortSelect.value = restoredSort;
             sortSelect.disabled = false;
         }
     }
@@ -575,10 +620,7 @@ export class PageControls {
             const savedGroupedSort = getStorageItem(groupedKey);
             if (savedGroupedSort) {
                 this.pageState.sortBy = savedGroupedSort;
-                const sortSelect = document.getElementById('sortSelect');
-                if (sortSelect) {
-                    sortSelect.value = savedGroupedSort;
-                }
+                this.applySortToSelect(savedGroupedSort);
             }
         } else {
             // Leaving group mode: persist current sort for next time, restore non-group sort
@@ -586,10 +628,7 @@ export class PageControls {
             const savedNormalSort = getStorageItem(`${this.pageType}_sort`);
             if (savedNormalSort) {
                 this.pageState.sortBy = savedNormalSort;
-                const sortSelect = document.getElementById('sortSelect');
-                if (sortSelect) {
-                    sortSelect.value = savedNormalSort;
-                }
+                this.applySortToSelect(savedNormalSort);
             }
         }
     }
@@ -874,7 +913,7 @@ export class PageControls {
         }
 
         if (sortSelect) {
-            sortSelect.value = this.pageState.sortBy;
+            this.applySortToSelect(this.pageState.sortBy);
         }
         if (searchInput) {
             searchInput.value = this.pageState.filters?.search || '';

static/js/components/controls/SortDropdown.js

@@ -96,7 +96,16 @@ export function initSortDropdown(select) {
     };
 
     const choose = (value) => {
-        if (select.value === value) return;
+        if (select.value === value) {
+            // Re-picking the already-selected option is normally a no-op,
+            // matching native <select> behavior. The seeded Random sort is
+            // the exception: clicking it again should reshuffle, so let the
+            // change handler (PageControls) generate a fresh seed.
+            if (String(value).startsWith('random')) {
+                select.dispatchEvent(new Event('change', { bubbles: true }));
+            }
+            return;
+        }
         select.value = value;
         select.dispatchEvent(new Event('change', { bubbles: true }));
     };
@@ -277,9 +286,10 @@ export function initSortDropdown(select) {
     }
 
     // Rebuild the menu when <option>s change (VLM adds/removes a temporary
-    // option at runtime).
+    // option at runtime, and the seeded Random sort option gets a new value
+    // attribute each time it is picked).
     const observer = new MutationObserver(() => buildMenu());
-    observer.observe(select, { childList: true });
+    observer.observe(select, { childList: true, subtree: true, attributes: true, attributeFilter: ['value'] });
 
     buildMenu();
     group.dataset.sortReady = '1';

templates/components/controls.html

@@ -48,6 +48,11 @@
                             <option value="versions_count:asc">{{ t('loras.controls.sort.versionsCountAsc', default='Fewest versions first') }}</option>
                         </optgroup>
                     {% endif %}
+                    {% if page_id != 'recipes' %}
+                        <optgroup label="{{ t('loras.controls.sort.random', default='Random') }}">
+                            <option value="random">{{ t('loras.controls.sort.randomAction', default='Randomize (shuffle)') }}</option>
+                        </optgroup>
+                    {% endif %}
                     {% if page_id == 'recipes' %}
                         <optgroup label="{{ t('recipes.controls.sort.lorasCount') }}">
                             <option value="loras_count:desc">{{ t('recipes.controls.sort.lorasCountDesc') }}</option>

tests/frontend/components/pageControls.randomSort.test.js

@@ -0,0 +1,221 @@
+import { describe, it, beforeEach, afterEach, expect, vi } from 'vitest';
+
+const resetAndReloadMock = vi.fn();
+const getModelApiClientMock = vi.fn();
+
+vi.mock('../../../static/js/api/modelApiFactory.js', () => ({
+  getModelApiClient: getModelApiClientMock,
+  resetAndReload: resetAndReloadMock,
+}));
+
+vi.mock('../../../static/js/utils/uiHelpers.js', () => ({
+  showToast: vi.fn(),
+  openCivitaiByMetadata: vi.fn(),
+  updatePanelPositions: vi.fn(),
+}));
+
+vi.mock('../../../static/js/managers/DownloadManager.js', () => ({
+  downloadManager: { showDownloadModal: vi.fn() },
+}));
+
+vi.mock('../../../static/js/components/SidebarManager.js', () => ({
+  sidebarManager: {
+    setHostPageControls: vi.fn(),
+    initialize: vi.fn(async () => {}),
+    refresh: vi.fn(async () => {}),
+    cleanup: vi.fn(),
+    isInitialized: false,
+  },
+}));
+
+vi.mock('../../../static/js/components/alphabet/index.js', () => ({
+  createAlphabetBar: vi.fn(() => ({ destroy: vi.fn() })),
+}));
+
+vi.mock('../../../static/js/utils/updateCheckHelpers.js', () => ({
+  performModelUpdateCheck: vi.fn(async () => ({ status: 'success', displayName: 'LoRA', records: [] })),
+}));
+
+beforeEach(() => {
+  vi.resetModules();
+  vi.clearAllMocks();
+  localStorage.clear();
+  sessionStorage.clear();
+
+  resetAndReloadMock.mockResolvedValue(undefined);
+  getModelApiClientMock.mockReturnValue({});
+
+  global.fetch = vi.fn().mockResolvedValue({
+    ok: true,
+    json: async () => ({ success: true, base_models: [] }),
+  });
+});
+
+afterEach(() => {
+  delete window.bulkManager;
+  delete window.modelDuplicatesManager;
+  delete global.fetch;
+});
+
+function renderControlsDom(pageKey) {
+  document.body.dataset.page = pageKey;
+  document.body.innerHTML = `
+    <div class="controls">
+      <div id="excludedViewBanner" class="excluded-view-banner hidden">
+        <button id="excludedViewBackBtn">Back</button>
+      </div>
+      <div class="actions">
+        <div class="action-buttons">
+          <div class="control-group">
+            <select id="sortSelect">
+              <option value="name:asc">Name Asc</option>
+              <option value="name:desc">Name Desc</option>
+              <option value="random">Randomize (shuffle)</option>
+            </select>
+          </div>
+          <div class="control-group dropdown-group">
+            <button data-action="refresh" class="dropdown-main"></button>
+            <button class="dropdown-toggle"></button>
+            <div class="dropdown-menu">
+              <div class="dropdown-item" data-action="full-rebuild"></div>
+            </div>
+          </div>
+          <div class="control-group">
+            <button data-action="fetch"></button>
+          </div>
+          <div class="control-group">
+            <button data-action="download"></button>
+          </div>
+          <div class="control-group">
+            <button data-action="bulk"></button>
+          </div>
+          <div class="control-group">
+            <button data-action="find-duplicates"></button>
+          </div>
+          <div class="control-group">
+            <button id="favoriteFilterBtn" class="favorite-filter"></button>
+          </div>
+          <div class="control-group dropdown-group update-filter-group">
+            <button id="updateFilterBtn" class="dropdown-main update-filter" aria-busy="false">
+              <span>Updates</span>
+            </button>
+            <button id="updateFilterMenuToggle" class="dropdown-toggle"></button>
+            <div class="dropdown-menu">
+              <div id="checkUpdatesMenuItem" class="dropdown-item" data-action="check-updates">
+                <span>Check updates</span>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+    <div id="customFilterIndicator" class="control-group hidden">
+      <div class="filter-active">
+        <span class="customFilterText" title=""></span>
+        <i class="fas fa-times-circle clear-filter"></i>
+      </div>
+    </div>
+    <div id="breadcrumbContainer"></div>
+    <div id="duplicatesBanner" style="display: none;"></div>
+    <div class="alphabet-bar-container"></div>
+  `;
+}
+
+async function createControls() {
+  const stateModule = await import('../../../static/js/state/index.js');
+  stateModule.initPageState('loras');
+  const { LorasControls } = await import('../../../static/js/components/controls/LorasControls.js');
+  return { stateModule, controls: new LorasControls() };
+}
+
+describe('Random sort option', () => {
+  it('generates a seeded sort value when Random is picked', async () => {
+    renderControlsDom('loras');
+    const { controls } = await createControls();
+    const sortSelect = document.getElementById('sortSelect');
+    const randomOpt = sortSelect.querySelector('option[value="random"]');
+
+    sortSelect.value = 'random';
+    sortSelect.dispatchEvent(new Event('change', { bubbles: true }));
+    await Promise.resolve();
+
+    expect(controls.pageState.sortBy).toMatch(/^random:[a-z0-9]+$/);
+    expect(localStorage.getItem('lora_manager_loras_sort')).toBe(controls.pageState.sortBy);
+    expect(randomOpt.value).toBe(controls.pageState.sortBy);
+    expect(sortSelect.value).toBe(controls.pageState.sortBy);
+    expect(resetAndReloadMock).toHaveBeenCalled();
+  });
+
+  it('reshuffles with a fresh seed every time Random is picked again', async () => {
+    renderControlsDom('loras');
+    const { controls } = await createControls();
+    const sortSelect = document.getElementById('sortSelect');
+    const randomOpt = sortSelect.querySelector('option[value="random"]');
+
+    // First pick
+    sortSelect.value = 'random';
+    sortSelect.dispatchEvent(new Event('change', { bubbles: true }));
+    await Promise.resolve();
+    const firstSeed = controls.pageState.sortBy;
+
+    // Second pick: the option now carries the seeded value, like a menu click
+    sortSelect.value = randomOpt.value;
+    sortSelect.dispatchEvent(new Event('change', { bubbles: true }));
+    await Promise.resolve();
+
+    expect(controls.pageState.sortBy).toMatch(/^random:[a-z0-9]+$/);
+    expect(controls.pageState.sortBy).not.toBe(firstSeed);
+  });
+
+  it('restores a persisted seeded random sort on load', async () => {
+    renderControlsDom('loras');
+    const savedSort = 'random:persistedseed';
+    localStorage.setItem('lora_manager_loras_sort', savedSort);
+
+    const { controls } = await createControls();
+    const sortSelect = document.getElementById('sortSelect');
+
+    expect(controls.pageState.sortBy).toBe(savedSort);
+    expect(sortSelect.value).toBe(savedSort);
+    expect(sortSelect.querySelector('option[value="random:persistedseed"]')).not.toBeNull();
+  });
+
+  it('applies a non-random sort back to the plain random option', async () => {
+    renderControlsDom('loras');
+    const { controls } = await createControls();
+    const sortSelect = document.getElementById('sortSelect');
+    const randomOpt = sortSelect.querySelector('option[value="random"]');
+
+    // Seed a random sort, then switch to a normal sort
+    sortSelect.value = 'random';
+    sortSelect.dispatchEvent(new Event('change', { bubbles: true }));
+    await Promise.resolve();
+    controls.applySortToSelect('name:desc');
+
+    expect(sortSelect.value).toBe('name:desc');
+    expect(randomOpt.value).toBe('random');
+  });
+
+  it('resets the seeded option when switching away from Random via the dropdown change handler', async () => {
+    renderControlsDom('loras');
+    const { controls } = await createControls();
+    const sortSelect = document.getElementById('sortSelect');
+    const randomOpt = sortSelect.querySelector('option[value="random"]');
+
+    // Pick Random: the option is now seeded
+    sortSelect.value = 'random';
+    sortSelect.dispatchEvent(new Event('change', { bubbles: true }));
+    await Promise.resolve();
+    expect(randomOpt.value).toMatch(/^random:[a-z0-9]+$/);
+
+    // Switch to a non-random sort through the change handler (as a menu
+    // click does); the option must go back to the plain "random" value
+    sortSelect.value = 'name:desc';
+    sortSelect.dispatchEvent(new Event('change', { bubbles: true }));
+    await Promise.resolve();
+
+    expect(controls.pageState.sortBy).toBe('name:desc');
+    expect(sortSelect.value).toBe('name:desc');
+    expect(randomOpt.value).toBe('random');
+  });
+});

tests/frontend/components/sortDropdown.menuSync.test.js

@@ -0,0 +1,68 @@
+import { describe, it, beforeEach, expect } from 'vitest';
+import { initSortDropdown } from '../../../static/js/components/controls/SortDropdown.js';
+
+function renderSortDropdownDom() {
+    document.body.innerHTML = `
+    <div class="sort-dropdown-group">
+      <select id="sortSelect">
+        <option value="name:asc">Name Asc</option>
+        <option value="name:desc">Name Desc</option>
+        <option value="random" selected>Randomize (shuffle)</option>
+      </select>
+      <button class="sort-trigger" type="button">
+        <span class="sort-trigger__label"></span>
+      </button>
+      <div class="sort-dropdown-menu"></div>
+    </div>
+  `;
+    return {
+        select: document.getElementById('sortSelect'),
+        menu: document.querySelector('.sort-dropdown-menu'),
+        label: document.querySelector('.sort-trigger__label'),
+    };
+}
+
+describe('SortDropdown menu sync', () => {
+    let select;
+    let menu;
+    let label;
+
+    beforeEach(() => {
+        ({ select, menu, label } = renderSortDropdownDom());
+        initSortDropdown(select);
+    });
+
+    it('rebuilds the menu and highlights the selected item when an option value attribute changes', async () => {
+        // The seeded Random option gets a new value each time it is picked.
+        // The select's value getter follows the selected option's new value.
+        const randomOpt = select.querySelector('option[value="random"]');
+        randomOpt.value = 'random:abc123';
+        await Promise.resolve();
+
+        const items = [...menu.querySelectorAll('.sort-option')];
+        expect(items.map((el) => el.dataset.value)).toContain('random:abc123');
+        const seededItem = items.find((el) => el.dataset.value === 'random:abc123');
+        expect(seededItem.classList.contains('is-selected')).toBe(true);
+        expect(label.textContent).toBe('Randomize (shuffle)');
+    });
+
+    it('drops the stale seeded item and re-selects the plain random item when the option is reset', async () => {
+        const randomOpt = select.querySelector('option[value="random"]');
+        randomOpt.value = 'random:abc123';
+        await Promise.resolve();
+
+        // The rebuild must have happened: the seeded item is in the menu
+        const seededItems = [...menu.querySelectorAll('.sort-option')]
+            .filter((el) => el.dataset.value === 'random:abc123');
+        expect(seededItems).toHaveLength(1);
+
+        // PageControls resets the option to "random" when switching away
+        randomOpt.value = 'random';
+        await Promise.resolve();
+
+        const items = [...menu.querySelectorAll('.sort-option')];
+        expect(items.map((el) => el.dataset.value)).not.toContain('random:abc123');
+        const randomItem = items.find((el) => el.dataset.value === 'random');
+        expect(randomItem.classList.contains('is-selected')).toBe(true);
+    });
+});

tests/routes/test_misc_routes.py

@@ -900,18 +900,28 @@ class FakeMetadataProvider:
     async def get_model_versions(self, _model_id):
         return {"modelVersions": [], "name": "", "type": "lora"}
 
-    async def get_user_models(self, _username):
-        return []
+    async def get_user_models(self, _username, cursor=None):
+        return {"items": [], "nextCursor": None}
+
+    async def get_creator_model_count(self, _username):
+        return None
 
 
 class FakeUserModelsProvider(FakeMetadataProvider):
-    def __init__(self, models):
+    def __init__(self, models, next_cursor=None, estimated_total=None):
         self.models = models
+        self.next_cursor = next_cursor
+        self.estimated_total = estimated_total
         self.received_usernames: list[str] = []
+        self.received_cursors: list = []
 
-    async def get_user_models(self, username):
+    async def get_user_models(self, username, cursor=None):
         self.received_usernames.append(username)
-        return self.models
+        self.received_cursors.append(cursor)
+        return {"items": self.models, "nextCursor": self.next_cursor}
+
+    async def get_creator_model_count(self, _username):
+        return self.estimated_total
 
 
 async def fake_metadata_provider_factory():
@@ -1286,6 +1296,88 @@ async def test_get_civitai_user_models_requires_username():
     assert "username" in payload["error"].lower()
 
 
+@pytest.mark.asyncio
+async def test_get_civitai_user_models_returns_pagination_fields():
+    models = [
+        {
+            "id": 1,
+            "name": "Model A",
+            "type": "LORA",
+            "tags": [],
+            "modelVersions": [
+                {"id": 100, "name": "v1", "images": [{"url": "http://example.com/a.jpg"}]},
+            ],
+        },
+        {
+            "id": 2,
+            "name": "Unsupported",
+            "type": "Other",
+            "modelVersions": [{"id": 200, "name": "v1"}],
+        },
+    ]
+
+    provider = FakeUserModelsProvider(models, next_cursor="cursor-token", estimated_total=2140)
+
+    async def provider_factory():
+        return provider
+
+    handler = ModelLibraryHandler(
+        ServiceRegistryAdapter(
+            get_lora_scanner=fake_scanner_factory,
+            get_checkpoint_scanner=fake_scanner_factory,
+            get_embedding_scanner=fake_scanner_factory,
+            get_downloaded_version_history_service=fake_download_history_service_factory,
+        ),
+        metadata_provider_factory=provider_factory,
+    )
+
+    response = await handler.get_civitai_user_models(
+        FakeRequest(query={"username": "pixel"})
+    )
+    payload = json.loads(response.text)
+
+    assert response.status == 200
+    assert payload["success"] is True
+    # modelCount only counts models surviving the type filter
+    assert payload["modelCount"] == 1
+    assert payload["nextCursor"] == "cursor-token"
+    assert payload["hasMore"] is True
+    # first page includes the estimated total
+    assert payload["estimatedTotal"] == 2140
+    assert provider.received_cursors == [None]
+
+
+@pytest.mark.asyncio
+async def test_get_civitai_user_models_passes_cursor_and_omits_estimate():
+    provider = FakeUserModelsProvider([], next_cursor=None, estimated_total=999)
+
+    async def provider_factory():
+        return provider
+
+    handler = ModelLibraryHandler(
+        ServiceRegistryAdapter(
+            get_lora_scanner=fake_scanner_factory,
+            get_checkpoint_scanner=fake_scanner_factory,
+            get_embedding_scanner=fake_scanner_factory,
+            get_downloaded_version_history_service=fake_download_history_service_factory,
+        ),
+        metadata_provider_factory=provider_factory,
+    )
+
+    response = await handler.get_civitai_user_models(
+        FakeRequest(query={"username": "pixel", "cursor": "opaque-token"})
+    )
+    payload = json.loads(response.text)
+
+    assert response.status == 200
+    assert payload["success"] is True
+    assert payload["nextCursor"] is None
+    assert payload["hasMore"] is False
+    # cursor requests must not include the estimated total
+    assert payload["estimatedTotal"] is None
+    assert provider.received_cursors == ["opaque-token"]
+
+
 def test_ensure_handler_mapping_caches_result():
     call_records = []
 

tests/services/test_base_model_service.py

@@ -183,7 +183,7 @@ class FakeCache:
     def __init__(self, items):
         self.items = list(items)
 
-    async def get_sorted_data(self, sort_key, order):
+    async def get_sorted_data(self, sort_key, order, seed=None):
         if sort_key == "name":
             data = sorted(self.items, key=lambda x: x["model_name"].lower())
             if order == "desc":

tests/services/test_check_pending_models.py

@@ -363,6 +363,148 @@ async def test_check_pending_models_handles_corrupted_progress_file(
     assert result["pending_count"] == 1
 
 
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("tmp_path")
+async def test_check_pending_models_uses_bulk_folder_index_for_large_libraries(
+    monkeypatch: pytest.MonkeyPatch,
+    tmp_path,
+    settings_manager,
+):
+    """For >1000 candidates the pre-check scans the library root once instead of
+    probing every folder individually."""
+
+    ws_manager = RecordingWebSocketManager()
+    manager = download_module.DownloadManager(ws_manager=ws_manager)
+
+    monkeypatch.setitem(settings_manager.settings, "example_images_path", str(tmp_path))
+
+    # 1500 unprocessed models triggers the bulk lookup path
+    models = [
+        {"sha256": f"{i:064x}", "model_name": f"Model {i}"}
+        for i in range(1500)
+    ]
+
+    # Create folders with files for the first 500 models
+    for i in range(500):
+        model_dir = tmp_path / f"{i:064x}"
+        model_dir.mkdir()
+        (model_dir / "image_0.png").write_text("data")
+
+    _patch_scanners(monkeypatch, lora_scanner=StubScanner(models))
+
+    per_model_checks = 0
+
+    def counting_model_directory_has_files(path: str) -> bool:
+        nonlocal per_model_checks
+        per_model_checks += 1
+        return False
+
+    monkeypatch.setattr(
+        download_module,
+        "_model_directory_has_files",
+        counting_model_directory_has_files,
+    )
+
+    result = await manager.check_pending_models(["lora"])
+
+    assert result["success"] is True
+    assert result["total_models"] == 1500
+    assert result["pending_count"] == 1000
+    assert result["needs_download"] is True
+    # The per-folder check should not be used once we cross the threshold.
+    assert per_model_checks == 0
+
+
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("tmp_path")
+async def test_check_pending_models_uses_per_folder_check_for_small_candidate_sets(
+    monkeypatch: pytest.MonkeyPatch,
+    tmp_path,
+    settings_manager,
+):
+    """For <=1000 candidates the pre-check keeps the accurate per-folder path."""
+
+    ws_manager = RecordingWebSocketManager()
+    manager = download_module.DownloadManager(ws_manager=ws_manager)
+
+    monkeypatch.setitem(settings_manager.settings, "example_images_path", str(tmp_path))
+
+    models = [
+        {"sha256": f"{i:064x}", "model_name": f"Model {i}"}
+        for i in range(500)
+    ]
+
+    # Create folders with files for the first 200 models
+    for i in range(200):
+        model_dir = tmp_path / f"{i:064x}"
+        model_dir.mkdir()
+        (model_dir / "image_0.png").write_text("data")
+
+    _patch_scanners(monkeypatch, lora_scanner=StubScanner(models))
+
+    per_model_checks = 0
+    original_has_files = download_module._model_directory_has_files
+
+    def counting_model_directory_has_files(path: str) -> bool:
+        nonlocal per_model_checks
+        per_model_checks += 1
+        return original_has_files(path)
+
+    monkeypatch.setattr(
+        download_module,
+        "_model_directory_has_files",
+        counting_model_directory_has_files,
+    )
+
+    result = await manager.check_pending_models(["lora"])
+
+    assert result["success"] is True
+    assert result["total_models"] == 500
+    assert result["pending_count"] == 300
+    assert result["needs_download"] is True
+    # Per-folder path should run once per candidate.
+    assert per_model_checks == 500
+
+
+@pytest.mark.asyncio
+@pytest.mark.usefixtures("tmp_path")
+async def test_check_pending_models_bulk_index_includes_legacy_folders(
+    monkeypatch: pytest.MonkeyPatch,
+    tmp_path,
+    settings_manager,
+):
+    """In multi-library mode the bulk index also scans the legacy root so models
+    whose folders have not been consolidated yet are not reported pending."""
+
+    ws_manager = RecordingWebSocketManager()
+    manager = download_module.DownloadManager(ws_manager=ws_manager)
+
+    monkeypatch.setitem(settings_manager.settings, "example_images_path", str(tmp_path))
+    monkeypatch.setitem(settings_manager.settings, "libraries", {"default": {}, "extra": {}})
+    monkeypatch.setitem(settings_manager.settings, "active_library", "extra")
+
+    # 1500 unprocessed models triggers the bulk lookup path
+    models = [
+        {"sha256": f"{i:064x}", "model_name": f"Model {i}"}
+        for i in range(1500)
+    ]
+
+    # Folders live at the LEGACY root/<hash> path (not yet consolidated)
+    for i in range(500):
+        model_dir = tmp_path / f"{i:064x}"
+        model_dir.mkdir()
+        (model_dir / "image_0.png").write_text("data")
+
+    _patch_scanners(monkeypatch, lora_scanner=StubScanner(models))
+
+    result = await manager.check_pending_models(["lora"])
+
+    assert result["success"] is True
+    assert result["total_models"] == 1500
+    assert result["pending_count"] == 1000
+    assert result["needs_download"] is True
+
+
 @pytest.fixture
 def settings_manager():
     return get_settings_manager()

tests/services/test_civitai_client.py

@@ -35,9 +35,11 @@ class DummyDownloader:
 def reset_singletons():
     CivitaiClient._instance = None
     ModelMetadataProviderManager._instance = None
+    civitai_client_module._creator_model_count_cache.clear()
     yield
     CivitaiClient._instance = None
     ModelMetadataProviderManager._instance = None
+    civitai_client_module._creator_model_count_cache.clear()
 
 
 @pytest.fixture
@@ -622,3 +624,162 @@ async def test_get_image_info_handles_invalid_id(monkeypatch, downloader, caplog
 
     assert result is None
     assert "Invalid image ID format" in caplog.text
+
+
+async def test_get_user_models_requests_first_page_with_stable_params(downloader):
+    request_calls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        request_calls.append({"method": method, "url": url, "kwargs": kwargs})
+        return True, {
+            "items": [
+                {
+                    "id": 1,
+                    "modelVersions": [
+                        {"id": 100, "images": [{"meta": {"comfy": {"x": 1}}}]}
+                    ],
+                }
+            ],
+            "metadata": {"nextCursor": "next-token"},
+        }
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    result = await client.get_user_models("pixel")
+
+    assert result is not None
+    assert result["nextCursor"] == "next-token"
+    assert len(result["items"]) == 1
+    # comfy metadata is still stripped
+    assert "comfy" not in result["items"][0]["modelVersions"][0]["images"][0]["meta"]
+
+    call = request_calls[0]
+    assert call["method"] == "GET"
+    assert call["url"] == "https://civitai.red/api/v1/models"
+    params = call["kwargs"]["params"]
+    assert params["username"] == "pixel"
+    assert params["nsfw"] == "true"
+    assert params["limit"] == 100
+    assert params["sort"] == "Newest"
+    assert params["period"] == "AllTime"
+    assert "cursor" not in params
+
+
+async def test_get_user_models_passes_cursor_and_stringifies_next_cursor(downloader):
+    request_calls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        request_calls.append(kwargs)
+        return True, {"items": [], "metadata": {"nextCursor": 12345}}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    result = await client.get_user_models("pixel", cursor="opaque-token")
+
+    assert request_calls[0]["params"]["cursor"] == "opaque-token"
+    assert result == {"items": [], "nextCursor": "12345"}
+
+
+async def test_get_user_models_without_next_cursor_returns_none_cursor(downloader):
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        return True, {"items": [{"id": 1, "modelVersions": []}], "metadata": {}}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    result = await client.get_user_models("pixel")
+
+    assert result == {"items": [{"id": 1, "modelVersions": []}], "nextCursor": None}
+
+
+async def test_get_user_models_failure_returns_none(downloader):
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        return False, "500 server error"
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    result = await client.get_user_models("pixel")
+
+    assert result is None
+
+
+async def test_get_creator_model_count_matches_exact_username(downloader):
+    request_calls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        request_calls.append({"url": url, "kwargs": kwargs})
+        return True, {
+            "items": [
+                {"username": "pixelart", "modelCount": 5},
+                {"username": "Pixel", "modelCount": 2140},
+            ]
+        }
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    count = await client.get_creator_model_count("pixel")
+
+    assert count == 2140
+    assert request_calls[0]["url"] == "https://civitai.red/api/v1/creators"
+    assert request_calls[0]["kwargs"]["params"] == {"query": "pixel", "limit": 10}
+
+
+async def test_get_creator_model_count_without_exact_match_returns_none(downloader):
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        return True, {"items": [{"username": "pixelart", "modelCount": 5}]}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    count = await client.get_creator_model_count("pixel")
+
+    assert count is None
+
+
+async def test_get_creator_model_count_caches_results(downloader):
+    request_count = 0
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        nonlocal request_count
+        request_count += 1
+        return True, {"items": [{"username": "pixel", "modelCount": 42}]}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+
+    assert await client.get_creator_model_count("pixel") == 42
+    # case-insensitive cache key, second call served from cache
+    assert await client.get_creator_model_count("Pixel") == 42
+    assert request_count == 1
+
+
+async def test_get_creator_model_count_caches_failures(downloader):
+    request_count = 0
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        nonlocal request_count
+        request_count += 1
+        return False, "500 server error"
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+
+    assert await client.get_creator_model_count("pixel") is None
+    assert await client.get_creator_model_count("pixel") is None
+    assert request_count == 1
+
+
+async def test_get_creator_model_count_never_raises(downloader):
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        return True, "unexpected non-dict payload"
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+    assert await client.get_creator_model_count("pixel") is None

tests/services/test_example_images_download_manager_async.py

@@ -26,6 +26,7 @@ class StubScanner:
 
     def __init__(self, models: list[dict]) -> None:
         self._cache = SimpleNamespace(raw_data=models)
+        self.sync_calls: list[tuple[str, dict]] = []
 
     async def get_cached_data(self):
         return self._cache
@@ -38,6 +39,14 @@ class StubScanner:
                 break
         return True
 
+    async def sync_cache_from_metadata(self, file_path: str, metadata: dict) -> bool:
+        self.sync_calls.append((file_path, metadata))
+        for index, model in enumerate(self._cache.raw_data):
+            if model.get("file_path") == metadata.get("file_path"):
+                self._cache.raw_data[index] = metadata
+                break
+        return True
+
 
 def _patch_scanner(monkeypatch: pytest.MonkeyPatch, scanner: StubScanner) -> None:
     async def _get_lora_scanner(cls):
@@ -588,6 +597,9 @@ async def test_not_found_example_images_are_cleaned(
     assert missing_url in downloader.calls
     assert manager._progress["failed_models"] == {model_hash}
     assert model_hash in manager._progress["processed_models"]
+    assert scanner.sync_calls
+    assert len(scanner.sync_calls) == 1
+    assert scanner.sync_calls[0][0] == str(model_path)
 
     remaining_images = model_metadata["civitai"]["images"]
     assert remaining_images == [

tests/services/test_model_scanner.py

@@ -884,7 +884,7 @@ async def test_sync_cache_conditional_resort_skipped(tmp_path: Path, monkeypatch
         raw_data=[dict(entry)], folders=[], name_display_mode="model_name"
     )
     await scanner._cache.resort()
-    scanner._cache._last_sort = ("name", "asc")  # name sort is active
+    scanner._cache._last_sort = ("name", "asc", None)  # name sort is active
     scanner._tags_count = {"alpha": 1}
     scanner._hash_index.add_entry("abc123", "/m/a.safetensors")
 
@@ -935,7 +935,7 @@ async def test_sync_cache_conditional_resort_triggered(tmp_path: Path, monkeypat
         raw_data=[dict(entry)], folders=[], name_display_mode="model_name"
     )
     await scanner._cache.resort()
-    scanner._cache._last_sort = ("name", "asc")
+    scanner._cache._last_sort = ("name", "asc", None)
     scanner._tags_count = {"alpha": 1}
     scanner._hash_index.add_entry("abc123", "/m/a.safetensors")
 

tests/services/test_model_sort.py

@@ -0,0 +1,97 @@
+"""Tests for sort parsing and the seeded random sort mode."""
+
+import asyncio
+
+import pytest
+
+from py.services.model_cache import ModelCache
+from py.services.model_query import ModelCacheRepository, SortParams
+
+
+def _make_cache(items):
+    return ModelCache(
+        raw_data=[
+            {
+                "file_path": f"/models/{name}.safetensors",
+                "file_name": f"{name}.safetensors",
+                "model_name": name,
+                "folder": "",
+                "size": 100,
+                "modified": 0.0,
+            }
+            for name in items
+        ],
+        folders=[],
+    )
+
+
+class TestParseSort:
+    def test_random_with_seed(self):
+        params = ModelCacheRepository.parse_sort("random:abc123")
+        assert params == SortParams(key="random", order="asc", seed="abc123")
+
+    def test_random_without_seed(self):
+        params = ModelCacheRepository.parse_sort("random")
+        assert params == SortParams(key="random", order="asc", seed=None)
+
+    def test_random_empty_seed_falls_back_to_none(self):
+        params = ModelCacheRepository.parse_sort("random:")
+        assert params.seed is None
+
+    def test_regular_sorts_unaffected(self):
+        params = ModelCacheRepository.parse_sort("name:desc")
+        assert params == SortParams(key="name", order="desc", seed=None)
+
+
+class TestRandomShuffle:
+    @pytest.mark.asyncio
+    async def test_same_seed_yields_same_order(self):
+        cache = _make_cache(["a", "b", "c", "d", "e"])
+        await asyncio.sleep(0)  # allow background resort task to run
+
+        first = await cache.get_sorted_data("random", "asc", "seed1")
+        second = await cache.get_sorted_data("random", "asc", "seed1")
+
+        assert [item["model_name"] for item in first] == [
+            item["model_name"] for item in second
+        ]
+
+    @pytest.mark.asyncio
+    async def test_different_seeds_yield_different_orders(self):
+        cache = _make_cache([f"m{i}" for i in range(20)])
+        await asyncio.sleep(0)
+
+        first = await cache.get_sorted_data("random", "asc", "seed-a")
+        second = await cache.get_sorted_data("random", "asc", "seed-b")
+
+        assert [item["model_name"] for item in first] != [
+            item["model_name"] for item in second
+        ]
+
+    @pytest.mark.asyncio
+    async def test_shuffle_is_a_permutation(self):
+        cache = _make_cache(["a", "b", "c", "d", "e"])
+        await asyncio.sleep(0)
+
+        shuffled = await cache.get_sorted_data("random", "asc", "seed")
+
+        assert sorted(item["model_name"] for item in shuffled) == [
+            "a",
+            "b",
+            "c",
+            "d",
+            "e",
+        ]
+        assert len({item["file_path"] for item in shuffled}) == 5
+
+    @pytest.mark.asyncio
+    async def test_missing_seed_is_stable(self):
+        cache = _make_cache(["a", "b", "c", "d", "e"])
+        await asyncio.sleep(0)
+
+        first = await cache.get_sorted_data("random", "asc")
+        second = await cache.get_sorted_data("random", "asc")
+
+        assert [item["model_name"] for item in first] == [
+            item["model_name"] for item in second
+        ]

tests/utils/test_example_images_metadata.py

@@ -15,6 +15,7 @@ class StubScanner:
     def __init__(self, cache_items: List[Dict[str, Any]]) -> None:
         self.cache = SimpleNamespace(raw_data=cache_items)
         self.updates: List[Tuple[str, str, Dict[str, Any]]] = []
+        self.sync_updates: List[Tuple[str, Dict[str, Any]]] = []
 
     async def get_cached_data(self):
         return self.cache
@@ -23,6 +24,10 @@ class StubScanner:
         self.updates.append((old_path, new_path, metadata))
         return True
 
+    async def sync_cache_from_metadata(self, file_path: str, metadata: Dict[str, Any]) -> bool:
+        self.sync_updates.append((file_path, metadata))
+        return True
+
 
 @pytest.fixture(autouse=True)
 def patch_metadata_manager(monkeypatch: pytest.MonkeyPatch):
@@ -83,7 +88,7 @@ async def test_update_metadata_after_import_enriches_entries(monkeypatch: pytest
     assert custom[0]["type"] == "image"
 
     assert Path(patch_metadata_manager[0][0]) == model_file
-    assert scanner.updates
+    assert scanner.sync_updates
 
 
 @pytest.mark.asyncio
@@ -151,8 +156,8 @@ async def test_update_metadata_after_import_preserves_existing_metadata(
     assert saved_payload["civitai"]["trainedWords"] == ["foo"]
     assert {entry["id"] for entry in saved_payload["civitai"]["customImages"]} == {"existing-id", "new-id"}
 
-    assert scanner.updates
-    updated_metadata = scanner.updates[-1][2]
+    assert scanner.sync_updates
+    updated_metadata = scanner.sync_updates[-1][1]
     assert updated_metadata["civitai"]["images"] == existing_payload["civitai"]["images"]
     assert {entry["id"] for entry in updated_metadata["civitai"]["customImages"]} == {"existing-id", "new-id"}