feat(raw-materials): add bulk JSON import with upsert and full-page edit routes

packages/types/index.ts

@@ -143,6 +143,9 @@ export interface RawMaterial {
   name: string
   unit: string
   pricePerUnit: number
+  bomItems?: BomItem[]
+  createdAt?: string
+  updatedAt?: string
 }
 
 export interface BomItem {