- Vendor CRUD: list page with search, create/edit form with trade specialty chips
- Vendor routes, sidebar nav item with truck icon
- vendorApi in services/api.js
- Dispatch button on WO view page opens DispatchModal
- DispatchModal: vendor multi-select filtered by trade, NTE field, description
- Dispatches CollapsibleSection with PO table on WO view page
- fetchVendorsDropdown and dispatchToVendor API functions
- dispatches included in getWorkOrderById response mapping
