style: apply ruff auto-fix

- Auto-formatted code with ruff format
- Applied ruff linting fixes with --fix

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

app/main.py

@@ -48,6 +48,7 @@ SESSION_SECRET = (
     settings.session_secret or "INSECURE_DEFAULT_FOR_DEVELOPMENT_ONLY_DO_NOT_USE_IN_PRODUCTION_MINIMUM_32_CHARS"
 )
 
+
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     """

tests/test_main.py

@@ -120,7 +120,6 @@ class TestLifespanEvents:
     @pytest.mark.asyncio
     async def test_lifespan_calls_init_sentry_after_db_settings_load(self):
         """Test that init_sentry is called inside lifespan after load_settings_from_db."""
-        from unittest.mock import call
 
         with (
             patch("app.database.init_db"),