1. Bind 'City-level' permits to 'SYSADMIN' department to ensure they are managed by admin.
2. Ensure Foshan 5 regions exist and Service Departments (FSSJSS etc.) are correctly bound to their regions.
3. Update specific permit binding logic to prevent leakage of 'City-level' data to district admins.
4. UI: Restrict region filter in Admin Console for non-admin users to their own region only.