- Add bandcamp_link, nugs_link to Performance model - Admin endpoints: PATCH /admin/performances/{id} - Bulk import: POST /admin/import/external-links - Spec doc: docs/BANDCAMP_NUGS_SPEC.md
Backend: - admin.py router with user management CRUD - Platform stats endpoint - Shows/Songs/Venues/Tours CRUD - Protected by RoleChecker (admin only) Frontend: - /admin dashboard with stats cards - Users tab with search and edit dialog - Content tab with entity counts - Role/ban/verification management