Samir Boulahtit
c49b80ce41
Update API endpoints and schemas to use the unified Order model: - Update Letzshop order schemas with OrderItem support - Update API responses to use new field names (external_*, status, etc.) - Update confirm/reject endpoints to use OrderItem.external_item_id - Update Letzshop order service for unified Order model queries - Update documentation to reflect completed implementation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>