- Add POST /v1/sales/opportunities/:identifier/products with field-level permission gating
- Add CWForecastItemCreate type for forecast item creation
- Store product display order locally (productSequence Int[] on Opportunity)
- Rewrite resequenceProducts to be local-only (no CW PUT, stable IDs)
- Remove reorderProducts CW util (PUT regenerated IDs & broke procurement)
- Update fetchProducts to apply local ordering with CW sequenceNumber fallback
- Add productSequence to OpportunityController.toJson()
- Update API_ROUTES.md, PERMISSIONS.md, PermissionNodes.ts