Revamps the entire user deletion process to resolve critical performance bottlenecks that caused the web panel and database to freeze when removing multiple users.
- **Backend:** Core scripts (`kickuser.py`, `remove_user.py`) and the database layer are re-engineered to handle multiple users in a single, efficient batch operation using MongoDB's `delete_many`.
- **API:** A new `POST /api/v1/users/bulk-delete` endpoint is introduced for batch removals. The existing single-user `DELETE` endpoint is fixed to align with the new bulk logic.
- **Frontend:** The Users page now intelligently calls the bulk API when multiple users are selected, drastically improving UI responsiveness and reducing server load.
Refactored the web panel's user link generation to resolve a major performance bottleneck. Previously, fetching links for N users would trigger N separate script executions, causing significant delays from process startup overhead.
- Introduced a new bulk API endpoint (`/api/v1/users/uri/bulk`) that accepts a list of usernames and calls the backend script only once.
- Updated the frontend JavaScript in `users.html` to use this new endpoint, replacing N parallel API calls with a single one.
- Cleaned up the `wrapper_uri.py` script for better readability and maintainability.
Refactored the aiohttp authentication server to be a purely read-only service. Removed all file write operations from the authentication logic to eliminate disk I/O and reduce CPU overhead during connection attempts.
The responsibility for persistently blocking users by writing to `users.json` is now fully delegated to the external scheduler service, allowing the auth server to function as a faster, more efficient gatekeeper.
