feat: 添加最新预约加载骨架屏状态

pages/index/index.js

@@ -6,7 +6,8 @@ Page({
   data: {
     isLoggedIn: false,
     loginFailed: false,
-    latestRecord: null
+    latestRecord: null,
+    recordLoading: false
   },
 
   onLoad() {
@@ -53,6 +54,7 @@ Page({
   },
 
   async loadLatestRecord() {
+    this.setData({ recordLoading: true })
     try {
       const openid = app.globalData.userInfo.openid
       const record = await appointmentDB.getLatest(openid)
@@ -64,6 +66,8 @@ Page({
     } catch (err) {
       console.error('加载最新预约失败', err)
       this.setData({ latestRecord: null })
+    } finally {
+      this.setData({ recordLoading: false })
     }
   },