Improve request handling and qBittorrent categories

backend/app/clients/jellyfin.py

@@ -58,3 +58,13 @@ class JellyfinClient(ApiClient):
             response = await client.get(url, headers=headers)
             response.raise_for_status()
             return response.json()
+
+    async def refresh_library(self, recursive: bool = True) -> None:
+        if not self.base_url or not self.api_key:
+            return None
+        url = f"{self.base_url}/Library/Refresh"
+        headers = {"X-Emby-Token": self.api_key}
+        params = {"Recursive": "true" if recursive else "false"}
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            response = await client.post(url, headers=headers, params=params)
+            response.raise_for_status()