Improve request handling and qBittorrent categories

backend/app/db.py

@@ -609,6 +609,22 @@ def get_request_cache_count() -> int:
     return int(row[0] or 0)
 
 
+def update_request_cache_title(
+    request_id: int, title: str, year: Optional[int] = None
+) -> None:
+    if not title:
+        return
+    with _connect() as conn:
+        conn.execute(
+            """
+            UPDATE requests_cache
+            SET title = ?, year = COALESCE(?, year)
+            WHERE request_id = ?
+            """,
+            (title, year, request_id),
+        )
+
+
 def prune_duplicate_requests_cache() -> int:
     with _connect() as conn:
         cursor = conn.execute(