- Update loadProducts() to show all Letzshop marketplace products when no vendor is selected, filtered by vendor when one is selected - Add vendor column to products table (shown when no vendor filter) - Update header to show context-aware subtitle - Hide Import/Export buttons when no vendor selected - Remove "Marketplace Products" from sidebar menu (accessible via Marketplace > Letzshop > Products tab) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>