- Restrict settings page to admin users only with @admin_required decorator
- Add database configuration section to admin settings (SQLite/MySQL settings)
- Create admin-only worker token generation for --client authentication
- Create user-accessible API token generation for programmatic access
- Implement user API token validation that consumes user tokens for analysis
- Add database tables for worker_tokens and user_api_tokens
- Add API endpoint /api/analyze that validates user tokens and deducts tokens
- Admin users are exempt from token consumption for all operations
- Enhanced settings page with database management and token generation options