修复云端数据一致性问题

pages/leaderboard/leaderboard.wxml

@@ -80,7 +80,7 @@
     <view class="rank-list">
       <view
         wx:for="{{rankedList}}"
-        wx:key="openid"
+        wx:key="rank"
         wx:if="{{rankedList.length < 3 || index >= 3}}"
         class="rank-item {{item.isMe ? 'is-me' : ''}} rank-item--enter"
         style="animation-delay: {{index < 10 ? index * 60 : 0}}ms;"

pages/settings/settings.js

@@ -351,9 +351,15 @@ Page({
     wx.removeStorageSync('custom_plans')
     wx.removeStorageSync('user_profile')
 
-    // 3. Clear cloud doc (awaited — order matters: clear cloud
-    //    after cancelling push, before resetting defaults)
-    try { await cloud.clearAll() } catch (e) {}
+    // 3. Clear every cloud doc for this openid. Local data is already gone
+    //    even if this fails, so surface that partial failure honestly.
+    let cloudClearFailed = false
+    try {
+      await cloud.clearAll()
+    } catch (e) {
+      cloudClearFailed = true
+      console.warn('[settings] cloud clear failed:', e)
+    }
 
     // 4. Reinstate default settings and streak
     wx.setStorageSync('user_settings', {
@@ -379,7 +385,11 @@ Page({
     })
     themeMod.applyThemeToPage(this)
     this.setData({ plans: buildPlansList(storage.getCustomPlans()) })
-    wx.showToast({ title: '已清除', icon: 'success', duration: 1500 })
+    wx.showToast({
+      title: cloudClearFailed ? '本地已清除，云端未清除' : '已清除',
+      icon: cloudClearFailed ? 'none' : 'success',
+      duration: cloudClearFailed ? 2200 : 1500
+    })
   },
 
   // -------- Plan editor --------