Refactor example images handling by introducing migration logic, updating metadata structure, and enhancing image loading in the UI

py/lora_manager.py

@@ -10,6 +10,7 @@ from .routes.misc_routes import MiscRoutes
 from .routes.example_images_routes import ExampleImagesRoutes
 from .services.service_registry import ServiceRegistry
 from .services.settings_manager import settings
+from .utils.example_images_migration import ExampleImagesMigration
 import logging
 import sys
 import os
@@ -130,13 +131,13 @@ class LoraManager:
             logging.getLogger('aiohttp.access').setLevel(logging.WARNING)
             
             # Initialize CivitaiClient first to ensure it's ready for other services
-            civitai_client = await ServiceRegistry.get_civitai_client()
+            await ServiceRegistry.get_civitai_client()
 
             # Register DownloadManager with ServiceRegistry
-            download_manager = await ServiceRegistry.get_download_manager()
+            await ServiceRegistry.get_download_manager()
             
             # Initialize WebSocket manager
-            ws_manager = await ServiceRegistry.get_websocket_manager()
+            await ServiceRegistry.get_websocket_manager()
             
             # Initialize scanners in background
             lora_scanner = await ServiceRegistry.get_lora_scanner()
@@ -155,6 +156,8 @@ class LoraManager:
             asyncio.create_task(lora_scanner.initialize_in_background(), name='lora_cache_init')
             asyncio.create_task(checkpoint_scanner.initialize_in_background(), name='checkpoint_cache_init')
             asyncio.create_task(recipe_scanner.initialize_in_background(), name='recipe_cache_init')
+
+            await ExampleImagesMigration.check_and_run_migrations()
             
             logger.info("LoRA Manager: All services initialized and background tasks scheduled")