fix: 修复前端类型标注与GraphQL访问数据不同的问题

- 将类型标注中的id字段改为string

server/mappers/productMapper.test.ts

@@ -27,12 +27,12 @@ describe('toProductListView', () => {
     };
 
     expect(toProductListView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       name: 'Product Name',
       summary: 'Product Summary',
       cover: 'cover-file-uuid-1234',
       product_type: {
-        id: 1,
+        id: '1',
         name: 'Type Name',
         sort: 1,
       },
@@ -54,12 +54,12 @@ describe('toProductListView', () => {
     };
 
     expect(toProductListView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       name: '',
       summary: '',
       cover: 'cover-file-uuid-1234',
       product_type: {
-        id: 20,
+        id: '20',
         name: '',
         sort: 1,
       },
@@ -78,7 +78,7 @@ describe('toProductSpecView', () => {
     };
 
     expect(toProductSpecView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       key: 'Key',
       value: 'Value',
     });
@@ -91,7 +91,7 @@ describe('toProductSpecView', () => {
     };
 
     expect(toProductSpecView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       key: '',
       value: '',
     });
@@ -113,11 +113,11 @@ describe('toProductSpecGroupView', () => {
     };
 
     expect(toProductSpecGroupView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       name: 'Group Name',
       specs: [
-        { id: 1, key: 'Key1', value: 'Value1' },
-        { id: 2, key: 'Key2', value: 'Value2' },
+        { id: '1', key: 'Key1', value: 'Value1' },
+        { id: '2', key: 'Key2', value: 'Value2' },
       ],
     });
   });
@@ -130,7 +130,7 @@ describe('toProductSpecGroupView', () => {
     };
 
     expect(toProductSpecGroupView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       name: '',
       specs: [],
     });
@@ -155,7 +155,7 @@ describe('toProductView', () => {
     };
 
     expect(toProductView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       name: 'Product Name',
       summary: 'Product Summary',
       description: 'Product Description',
@@ -174,7 +174,7 @@ describe('toProductView', () => {
     };
 
     expect(toProductView(rawData)).toEqual({
-      id: 1,
+      id: '1',
       name: '',
       summary: '',
       description: '',