feat: add product provider mappings

packages/validation/package.json

@@ -10,7 +10,8 @@
     "./listing": "./listing.js",
     "./sale": "./sale.js",
     "./product": "./product.js"
-    ,"./pricing": "./pricing.js"
+    ,"./pricing": "./pricing.js",
+    "./provider-mapping": "./provider-mapping.js"
   },
   "dependencies": {
     "zod": "^4.1.8"

packages/validation/provider-mapping.js

@@ -0,0 +1,10 @@
+import { z } from 'zod';
+
+export const createProviderMappingSchema = z.object({
+  providerId: z.string().trim().min(1).max(100),
+  mappingType: z.enum(['PRODUCT', 'SEARCH']),
+  externalIdentifier: z.string().trim().max(255).optional(),
+  searchQuery: z.string().trim().max(1000).optional(),
+  sourceUrl: z.string().trim().url().optional(),
+  metadata: z.record(z.string(), z.unknown()).optional(),
+}).strict();