shokollm 8494b4621c feat: switch admin identification from user_id to username ...

- Replace admin_user_ids (list[int]) with admin_usernames (list[str])
- Update all service methods to use username for permission checks
- Add delete button to bot responses for message cleanup
- Update tests to match new implementation

Note: Breaking change - existing data files need fresh start

2026-04-09 08:02:36 +00:00

38 KiB

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