feat: 为搜索条目添加细分类型

- 类型细分：有原先的四大分类添加细分类型，例如产品（原纸分切机）
- 接口调整：原先的type分类改为sectionType并将type作为细分类型使用

server/utils/search-converters.ts

@@ -6,33 +6,35 @@ export const converters: {
 } = {
   products: (item: MeiliIndexMap['products']): SearchItemView => ({
     id: item.id,
-    type: 'product',
+    sectionType: 'product',
     title: item.name,
-    summary: item?.summary ?? '',
+    summary: item?.summary,
+    type: item?.type,
     thumbnail: item?.cover ? `/api/assets/${item.cover}` : undefined,
   }),
 
   solutions: (item: MeiliIndexMap['solutions']): SearchItemView => ({
     id: item.id,
-    type: 'solution',
+    sectionType: 'solution',
     title: item.title,
-    summary: item?.summary ?? '',
+    summary: item?.summary,
+    type: item?.type,
     thumbnail: item?.cover ? `/api/assets/${item.cover}` : undefined,
   }),
 
   questions: (item: MeiliIndexMap['questions']): SearchItemView => ({
     id: item.id,
-    type: 'question',
+    sectionType: 'question',
     title: item.title,
-    summary: '',
+    type: item?.type,
   }),
 
   product_documents: (
     item: MeiliIndexMap['product_documents']
   ): SearchItemView => ({
     id: item.fileUUID || item.id,
-    type: 'document',
+    sectionType: 'document',
     title: item.title,
-    summary: '',
+    type: item?.type,
   }),
 };