Claude 4e9e0b4efa Add default admin user and admin-only user creation ... Features added: - Automatic creation of default admin user on first startup (login: admin, password: admin) - Admin-only endpoint POST /api/admin/users for creating new users - Admin users can set is_admin flag when creating users - Non-admin users are blocked from accessing admin endpoints Implementation: - Added CreateDefaultAdmin() function in internal/database/database.go - Checks if any users exist, creates admin only if database is empty - Admin user: login "admin", password "admin", is_admin true - Added CreateUser() method to auth service for admin user creation - Added CreateUser() handler to auth handler - Added /api/admin/users endpoint with AuthMiddleware + AdminMiddleware - Updated README_GOLANG.md with: - Default admin credentials - Instructions for creating additional users - Admin API documentation Security: - Default admin password should be changed after first login - AdminMiddleware ensures only users with is_admin=true can access admin routes - Non-admin users receive 403 Forbidden when accessing admin endpoints Tested: - Default admin creation on startup ✓ - Admin login with default credentials ✓ - Admin can create new users ✓ - New users can login ✓ - Non-admin users blocked from admin endpoints ✓		2025-11-05 11:35:36 +00:00
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database.go	Add default admin user and admin-only user creation	2025-11-05 11:35:36 +00:00