Add cache control artwork stats

backend/app/routers/admin.py

@@ -10,6 +10,7 @@ from ..db import (
     get_all_users,
     get_request_cache_overview,
     get_request_cache_missing_titles,
+    get_request_cache_count,
     get_settings_overrides,
     get_user_by_username,
     set_setting,
@@ -38,6 +39,22 @@ from ..routers.branding import save_branding_image
 router = APIRouter(prefix="/admin", tags=["admin"], dependencies=[Depends(require_admin)])
 logger = logging.getLogger(__name__)
 
+def _get_artwork_cache_stats() -> Dict[str, int]:
+    cache_root = os.path.join(os.getcwd(), "data", "artwork")
+    total_bytes = 0
+    total_files = 0
+    if not os.path.isdir(cache_root):
+        return {"cache_bytes": 0, "cache_files": 0}
+    for root, _, files in os.walk(cache_root):
+        for name in files:
+            path = os.path.join(root, name)
+            try:
+                total_bytes += os.path.getsize(path)
+                total_files += 1
+            except OSError:
+                continue
+    return {"cache_bytes": total_bytes, "cache_files": total_files}
+
 SENSITIVE_KEYS = {
     "jellyseerr_api_key",
     "jellyfin_api_key",
@@ -277,10 +294,12 @@ async def requests_sync_delta() -> Dict[str, Any]:
 
 
 @router.post("/requests/artwork/prefetch")
-async def requests_artwork_prefetch() -> Dict[str, Any]:
+async def requests_artwork_prefetch(only_missing: bool = False) -> Dict[str, Any]:
     runtime = get_runtime_settings()
     state = await requests_router.start_artwork_prefetch(
-        runtime.jellyseerr_base_url, runtime.jellyseerr_api_key
+        runtime.jellyseerr_base_url,
+        runtime.jellyseerr_api_key,
+        only_missing=only_missing,
     )
     logger.info("Admin triggered artwork prefetch: status=%s", state.get("status"))
     return {"status": "ok", "prefetch": state}
@@ -290,6 +309,17 @@ async def requests_artwork_prefetch() -> Dict[str, Any]:
 async def requests_artwork_status() -> Dict[str, Any]:
     return {"status": "ok", "prefetch": requests_router.get_artwork_prefetch_state()}
 
+@router.get("/requests/artwork/summary")
+async def requests_artwork_summary() -> Dict[str, Any]:
+    runtime = get_runtime_settings()
+    summary = {
+        "total_requests": get_request_cache_count(),
+        "missing_artwork": requests_router.get_artwork_cache_missing_count(),
+        "cache_mode": (runtime.artwork_cache_mode or "remote").lower(),
+    }
+    summary.update(_get_artwork_cache_stats())
+    return {"status": "ok", "summary": summary}
+
 
 @router.get("/requests/sync/status")
 async def requests_sync_status() -> Dict[str, Any]: