fix: proxy base_url cfg.get(url) for apikey_urlfile services (radarr/sonarr1080p)

app.py

@@ -3154,7 +3154,7 @@ async def proxy(service: str, path: str, request: Request, _=Depends(_verify)):
     if not cfg:
         raise HTTPException(404, f"Unknown service: {service}. Available: {list(SERVICES.keys())}")
 
-    base_url = cfg["url"]
+    base_url = cfg.get("url")
     auth_type = cfg["auth"]
     headers = dict(request.headers)
     cookies = {}