- Fix 'id_user' key not found error by navigating the correct nested path - Extract id_user from data.user.applications[0].users[0].id_user - Add fallback to old structure for backward compatibility - Prevents authentication failures due to API response format changes 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>