Clarify qBittorrent status and fix status pill contrast

backend/tests/test_backend_quality.py

@@ -11,6 +11,7 @@ from backend.app.config import settings
 from backend.app.network_security import request_trusts_forwarded_headers, validate_notification_target_url
 from backend.app.routers import auth as auth_router
 from backend.app.routers import portal as portal_router
+from backend.app.routers import status as status_router
 from backend.app.security import PASSWORD_POLICY_MESSAGE, validate_password_policy
 from backend.app.services import password_reset
 
@@ -94,6 +95,28 @@ class NetworkSecurityTests(unittest.TestCase):
             settings.magent_proxy_trusted_proxies = original_proxies
 
 
+class ServiceStatusTests(unittest.IsolatedAsyncioTestCase):
+    async def test_qbittorrent_incomplete_credentials_report_degraded_when_reachable(self) -> None:
+        client = status_router.QBittorrentClient("http://10.0.0.2:8080", "admin", None)
+        with patch.object(client, "is_webui_reachable", new=AsyncMock(return_value=True)):
+            result = await status_router._check_qbittorrent(client)
+
+        self.assertEqual(result["status"], "degraded")
+        self.assertIn("credentials", result["message"].lower())
+
+    async def test_qbittorrent_rejected_credentials_report_degraded_when_reachable(self) -> None:
+        client = status_router.QBittorrentClient("http://10.0.0.2:8080", "admin", "secret")
+        with patch.object(
+            client,
+            "get_app_version",
+            new=AsyncMock(side_effect=RuntimeError("qBittorrent login failed")),
+        ), patch.object(client, "is_webui_reachable", new=AsyncMock(return_value=True)):
+            result = await status_router._check_qbittorrent(client)
+
+        self.assertEqual(result["status"], "degraded")
+        self.assertIn("credentials", result["message"].lower())
+
+
 class DatabaseEmailTests(TempDatabaseMixin, unittest.TestCase):
     def test_set_user_email_is_case_insensitive(self) -> None:
         created = db.create_user_if_missing(