This commit adds several key features, improvements, and cleanups across the codebase:
- Add `order_items.confirm_collected` MCP/REST endpoint to mark order items as collected without requiring driver assignment
- Add standalone order creation and order split APIs for flexible order management
- Update order list sort to oldest-first to align with user workflow of working through oldest orders first
- Improve order search to show cross-tab matches and display source tab indicators on search results
- Add customer name similarity check to warn about mismatched QuickBooks customers during invoice creation
- Remove supplier name column from delivery note PDFs and clean up related data passing across delivery note routes
- Add validation and debug logging to ItemIntelPopover for missing item ID on apply actions
- Remove unused OrderItemContextPopoverTrigger component from order detail page
- Add delivery note regeneration script and update test suites for new and existing functionality
- Update documentation and add test coverage for the new collection confirm tool
