feat: 首页跳转到分类页指定分类优化

miniprogram/pages/category/category.ts

@@ -1,4 +1,5 @@
 import { CATEGORY_LIST_WITH_ALL } from '../../core/data/categories';
+import { takePendingCategoryTabId } from '../../utils/index';
 import { CATEGORY_DATA, type CategoryItem } from './category.data';
 
 type CategoryTab = {
@@ -190,10 +191,10 @@ Page({
     onShow() {
         _categoryData = null;
         this.setData({ displayItems: SKELETON_ITEMS, loading: true });
-        void this.loadWorksheets();
+        void this.loadWorksheets(takePendingCategoryTabId() ?? undefined);
     },
 
-    async loadWorksheets() {
+    async loadWorksheets(overrideCategoryId?: string | null) {
         try {
             const res = await wx.cloud.callFunction({
                 name: 'worksheetsQuery',
@@ -207,7 +208,11 @@ Page({
             _categoryData = CATEGORY_DATA;
         }
 
-        const activeId = this.data.activeCategoryId || this._defaultCategoryId;
+        const activeId =
+            overrideCategoryId != null &&
+            String(overrideCategoryId).trim() !== ''
+                ? String(overrideCategoryId).trim()
+                : this.data.activeCategoryId || this._defaultCategoryId;
         const items = getItemsByCategory(activeId);
         const filtered = filterByKeyword(items, this.data.searchKeyword);