Fix CacheService list_media and recipe inputs type

- Add list_media method to CacheService
- Change recipe run inputs from List to dict

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/services/cache_service.py

@@ -108,3 +108,22 @@ class CacheService:
     def get_ipfs_cid(self, content_hash: str) -> Optional[str]:
         """Get IPFS CID for cached content."""
         return self.cache.get_ipfs_cid(content_hash)
+
+    async def list_media(
+        self,
+        actor_id: str = None,
+        username: str = None,
+        offset: int = 0,
+        limit: int = 24,
+        media_type: str = None,
+    ) -> List[Dict[str, Any]]:
+        """List media items in cache."""
+        # Use list_items internally, converting offset to page
+        page = (offset // limit) + 1 if limit > 0 else 1
+        result = await self.list_items(
+            actor_id=actor_id or username,
+            media_type=media_type,
+            page=page,
+            limit=limit,
+        )
+        return result.get("items", [])