feat: 完成全部接口替换为新后端接口

miniprogram/pages/home/home.ts

@@ -1,3 +1,4 @@
+import { resolvePreviewUrl } from '../../config/assets';
 import { appSharePageMethods } from '../../base/pageMixin';
 import { NAV_INNER_PX } from '../../utils/navMetrics';
 import {
@@ -52,6 +53,7 @@ const TAB_BAR_PATHS = new Set([
 function toItemView(item: HomeDisplayItem): HomeDisplayItemView {
     return {
         ...item,
+        previewImg: resolvePreviewUrl(item.previewImg),
     };
 }
 
@@ -218,11 +220,11 @@ Page({
         void this.initData();
     },
 
-    async initData() {
-        wx.showLoading({ title: '加载中', mask: false });
+    async initData(override?: PageConfigData) {
+        if (!override) wx.showLoading({ title: '加载中', mask: false });
 
         const app = getApp<IAppOption>();
-        const config = await app.getPageConfig();
+        const config = override || (await app.getPageConfig());
 
         let homeData: HomeDisplayDataset;
 
@@ -249,13 +251,26 @@ Page({
             searchPlaceholder: homeData.searchPlaceholder,
             tabs,
             ageBands,
-            activeAgeBand: homeData.ageBands[0]?.key || '3-4',
+            activeAgeBand:
+                override &&
+                homeData.ageBands.some(
+                    (band) => band.key === this.data.activeAgeBand,
+                )
+                    ? this.data.activeAgeBand
+                    : homeData.ageBands[0]?.key || '3-4',
+            activeTab: tabs.some((tab) => tab.id === this.data.activeTab)
+                ? this.data.activeTab
+                : 'all',
+            heroSwiperCurrent: Math.min(
+                this.data.heroSwiperCurrent,
+                Math.max(0, homeData.featured.length - 1),
+            ),
             featuredItems: homeData.featured.map(toItemView),
             hotRecommends: homeData.hot.slice(0, 3).map(toItemView),
             sections,
         });
 
-        wx.hideLoading();
+        if (!override) wx.hideLoading();
     },
 
     // ── Tab & Navigation ──