- Introduced a new `/modules/self-serve/lane/wash/my-active-wash` endpoint to retrieve the authenticated customer's active self-serve wash.
- Implemented authentication and permission checks for secure access.
- Added detailed response handling for various scenarios, including 401, 403, and 404 statuses.
- Extended API documentation and OpenAPI spec to support the new endpoint.
- Updated unit and API tests to validate endpoint functionality and route wiring.