- Refactored all `password reset` and `auth dependency` tests to utilize async patterns for compatibility with async database sessions.
- Enhanced test fixtures with `pytest-asyncio` to support asynchronous database operations.
- Improved user handling with async context management for `test_user` and `async_mock_user`.
- Introduced `await` syntax for route calls, token generation, and database transactions in test cases.
- Introduced session management endpoints to list, revoke, and cleanup sessions per user.
- Added cron-based job for periodic cleanup of expired sessions.
- Implemented `CRUDSession` for session-specific database operations.
- Integrated session cleanup startup and shutdown events in the application lifecycle.
- Enhanced CORS configuration to include `X-Device-Id` for session tracking.
- Added comprehensive integration tests for multi-device login, per-device logout, session listing, and cleanup logic.
