feat: 分类页骨架屏优化

miniprogram/pages/category/category.ts

@@ -24,13 +24,18 @@ const DIFFICULTY_LABELS: Record<number, string> = {
     4: '挑战',
 };
 
-const SIDEBAR_TABS: CategoryTab[] = CATEGORY_LIST_WITH_ALL.map(
-    ({ id, name, icon }) => ({
-        id,
-        name,
-        icon,
-    }),
-);
+const DYNAMIC_TABS: CategoryTab[] = [
+    { id: 'hot', name: '热门推荐', icon: '🔥' },
+    { id: 'top-downloads', name: '下载最多', icon: '📥' },
+];
+
+const SIDEBAR_TABS: CategoryTab[] = [
+    { id: 'all', name: '全部', icon: '📋' },
+    ...DYNAMIC_TABS,
+    ...CATEGORY_LIST_WITH_ALL.filter((c) => c.id !== 'all').map(
+        ({ id, name, icon }) => ({ id, name, icon }),
+    ),
+];
 
 const TAB_BAR_PATHS = new Set([
     '/pages/home/home',
@@ -119,9 +124,23 @@ function buildAllItems(): CategoryItem[] {
     return sortWorksheets(items);
 }
 
+const DYNAMIC_LIMIT = 12;
+
+function buildHotItems(): CategoryItem[] {
+    const all = buildAllItems();
+    return [...all].sort((a, b) => (b.likes || 0) - (a.likes || 0)).slice(0, DYNAMIC_LIMIT);
+}
+
+function buildTopDownloadsItems(): CategoryItem[] {
+    const all = buildAllItems();
+    return [...all].sort((a, b) => (b.downloads || 0) - (a.downloads || 0)).slice(0, DYNAMIC_LIMIT);
+}
+
 function getItemsByCategory(categoryId: string): CategoryItem[] {
     if (!_categoryData) return [];
     if (categoryId === 'all') return buildAllItems();
+    if (categoryId === 'hot') return buildHotItems();
+    if (categoryId === 'top-downloads') return buildTopDownloadsItems();
     const group = _categoryData.categories.find((c) => c.id === categoryId);
     if (!group) return [];
     return group.items.map((item) => ({ ...item }));