Leo
070e8c2ddb
Add Cantaloupe Sync admin UI page
- New 'Cantaloupe Sync' nav item in sidebar with sync icon
- Section 1: Sync Overview showing latest batch status, diff badges
- Section 2: Pending Batch Review with approve/reject buttons and diff detail
- Section 3: Import History with expandable rows for full diff view
- Added static file serving (FileResponse) to admin_server.py
- Fixed formatDate to handle space-separated SQLite datetimes
- Dark theme matching existing admin UI, vanilla JS with fetch()