- Add marketplace-integration.md: Full architecture for bidirectional marketplace integration (products, orders, fulfillment, inventory sync) - Add multi-marketplace-product-architecture.md: Detailed product data model with translations and vendor override pattern - Add product-migration-database-changes.md: Database migration plan with SQL scripts and model updates - Update mkdocs.yml with new documentation entries 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>