fix: 修正product_documents索引创建时报错的问题

- UUID与id主键冲突，显式指定id为主键

src/meilisearch_endpoint/index.ts

@@ -150,7 +150,7 @@ export default defineEndpoint({
 					// 删除所有索引
 					await index.deleteAllDocuments();
 					try {
-						const enqueueRes = await index.addDocuments(docs);
+						const enqueueRes = await index.addDocuments(docs, { primaryKey: 'id' });
 						result.push({ config: cfg.collection_name, enqueued: enqueueRes });
 					} catch (error) {
 						console.error(`Error reindexing collection ${cfg.collection_name}:`, error);