feat: add props system and refactor asset library architecture

messages/en/assets.json

@@ -3,6 +3,7 @@
         "title": "Assets Confirmation",
         "characters": "Characters",
         "locations": "Locations",
+        "props": "Props",
         "analyze": "Analyze Assets",
         "analyzing": "Analyzing...",
         "generateAll": "Generate All",
@@ -14,8 +15,10 @@
         "assetsTitle": "Asset Analysis",
         "characterAssets": "Character Assets",
         "locationAssets": "Location Assets",
+        "propAssets": "Prop Assets",
         "counts": "{characterCount} Characters, {appearanceCount} Appearances",
         "locationCounts": "{count} Locations",
+        "propCounts": "{count} Props",
         "undoFailed": "Undo failed",
         "undoFailedError": "Undo failed: {error}",
         "undoSuccess": "Reverted to previous version",
@@ -70,6 +73,18 @@
         "updateFailed": "Update description failed",
         "addFailed": "Add location failed"
     },
+    "prop": {
+        "add": "Add Prop",
+        "edit": "Edit Prop",
+        "delete": "Delete Prop",
+        "deleteConfirm": "Delete this prop?",
+        "deleteFailed": "Delete failed: {error}",
+        "name": "Prop Name",
+        "summary": "Summary",
+        "summaryPlaceholder": "Describe the prop",
+        "regenerateImage": "Regenerate",
+        "addFailed": "Add prop failed"
+    },
     "image": {
         "upload": "Upload Image",
         "uploadReplace": "Upload Replacement",
@@ -160,6 +175,7 @@
         "modifyFailed": "Modification failed",
         "editCharacter": "Edit Character",
         "editLocation": "Edit Location",
+        "editProp": "Edit Prop",
         "saveAndGenerate": "Save and Generate",
         "generatingAutoClose": "Generating image, will close automatically when done...",
         "aiLocationTip": "Enter what you want to modify, AI will adjust the scene description",
@@ -177,7 +193,7 @@
         "showGenerated": "Generated",
         "showPending": "Pending",
         "assetManagement": "Asset Management",
-        "assetCount": "{total} assets ({appearances} character appearances + {locations} locations)",
+        "assetCount": "{total} assets ({appearances} character appearances + {locations} locations + {props} props)",
         "globalAnalyze": "Global Analysis",
         "globalAnalyzing": "Performing global asset analysis...",
         "globalAnalyzingHint": "Please don't refresh. Results will appear automatically when complete",
@@ -239,11 +255,17 @@
         "aiDesignFailed": "AI design failed",
         "createFailed": "Creation failed"
     },
+    "filterBar": {
+        "all": "All",
+        "allEpisodes": "All Episodes",
+        "episodeLabel": "Ep.{number} · {name}"
+    },
     "assetLibrary": {
         "button": "Asset Library",
         "title": "Asset Library",
         "copySuccessCharacter": "Character appearance copied successfully",
         "copySuccessLocation": "Location image copied successfully",
+        "copySuccessProp": "Prop image copied successfully",
         "copySuccessVoice": "Voice copied successfully",
         "copyFailed": "Copy failed: {error}",
         "downloadEmpty": "No image assets to download",
@@ -332,4 +354,4 @@
         "referenceImagesHint": "(optional, paste supported)",
         "startEditing": "Start Editing"
     }
-}
+}