Block a user
feat: implement /recover command for listing and recovering soft-deleted bounties
feat: add /admin command to list room admins
feat: add multi-ID delete support with per-ID results
/delete: soft delete + multi-ID + admin-only
feat: implement /recover command for listing and recovering soft-deleted bounties
feat: add /admin command to list room admins
feat: human-readable date format with timezone awareness (#54)
feat: add multi-ID delete support with per-ID results
feat(/admin): add /admin command for admin management