Use authenticated Gitea integration health check

routes/auth_routes.py

@@ -818,11 +818,13 @@ def setup_auth_routes(auth_manager: AuthManager) -> APIRouter:
             except Exception as e:
                 return {"ok": False, "message": f"Request failed: {e}"[:400]}
 
-        # All other presets: GET against a known health endpoint.
+        # All other presets: GET against a known health endpoint. Prefer
+        # authenticated endpoints where available; public version endpoints
+        # can make a broken token look healthy.
         # Fall back to detecting from name if preset is missing.
         health_paths = {
             "miniflux": "/v1/me",
-            "gitea": "/api/v1/version",
+            "gitea": "/api/v1/user",
             "linkding": "/api/tags/",
             "homeassistant": "/api/",
             "home assistant": "/api/",