fix: 13项数据存储与排行榜修复

致命修复:
- leaderboard: 日榜日期比较改用 dateOnly() 替代严格全等
- plan: 计划天数计算日期比较改用 dateOnly()
- cloud: pullAll 添加 orderBy('updatedAt','desc') 确保取最新文档避免数据丢失

严重修复:
- cloud: 新增 cancelPendingPush() 防止清除数据后被延迟推送复活
- settings: _doClearData 补充 user_profile 清除, 先取消推送再清除
- app: 云端同步改为时间戳比对策略, 支持跨设备拉取
- app: _restoreFromCloud 增加空数据保护和 profile 恢复
- storage: 记录ID改用时间戳+自增计数器确保唯一性

中等修复:
- cloud: init/_fetchOpenid 日志升级, 新增 syncStatus getter
- leaderboard云函数: 添加90天活跃过滤减少全表扫描
- storage: validateStreak 增加lastDate无记录时的通用修复
- leaderboard页面: 云函数失败时Toast提示用户而非静默降级

轻微修复:
- timer: onUnload 添加 voice.destroy() 释放音频上下文
- records: onLongPressDelete 委托给 onDeleteRecord 消除重复代码

Co-Authored-By: Claude <noreply@anthropic.com>

utils/cloud.js

@@ -24,8 +24,10 @@ const init = () => {
   try {
     wx.cloud.init({ env: ENV_ID, traceUser: true })
     _enabled = true
+    console.log('[cloud] init ok, env:', ENV_ID)
   } catch (e) {
     _enabled = false
+    console.warn('[cloud] init failed — cloud sync disabled:', e.message || e)
   }
 }
 
@@ -40,10 +42,13 @@ const pullAll = async () => {
     }
     if (!_openid) return null  // cloud function call failed; bail
 
-    // Locate our doc by _openid, not by limit(1) which can pick someone
-    // else's doc when the custom rule is in effect.
+    // Locate our doc by _openid, ordered by updatedAt descending so
+    // we always get the MOST RECENT doc. Without orderBy, limit(1)
+    // returns the OLDEST doc (_id ascending), which causes data loss
+    // when duplicate docs exist from the old cold-start-add() bug.
     const mine = await db.collection(DB_COLLECTION)
       .where({ _openid: _openid })
+      .orderBy('updatedAt', 'desc')
       .limit(1)
       .get()
     if (mine && mine.data && mine.data.length > 0) {
@@ -67,7 +72,10 @@ const _fetchOpenid = async () => {
   try {
     const res = await wx.cloud.callFunction({ name: 'getOpenid' })
     if (res && res.result && res.result.openid) return res.result.openid
-  } catch (e) { /* function not deployed, etc. */ }
+    console.warn('[cloud] getOpenid returned no openid:', JSON.stringify(res))
+  } catch (e) {
+    console.warn('[cloud] getOpenid call failed — cloud functions may not be deployed:', e.message || e)
+  }
   return null
 }
 
@@ -111,6 +119,17 @@ const pushAll = () => {
   })
 }
 
+const cancelPendingPush = () => {
+  if (_pushTimer) {
+    clearTimeout(_pushTimer)
+    _pushTimer = null
+  }
+}
+
+const _markSynced = () => {
+  try { wx.setStorageSync('_cloud_sync_at', Date.now()) } catch (e) {}
+}
+
 const _doPush = async () => {
   console.log('[cloud] _doPush starting...')
   const db = getDb()
@@ -135,6 +154,7 @@ const _doPush = async () => {
       try {
         await db.collection(DB_COLLECTION).doc(_docId).update({ data })
         console.log('[cloud] _doPush update ok')
+        _markSynced()
         return
       } catch (e) {
         // Most commonly: doc was deleted out from under us (user cleared
@@ -163,6 +183,7 @@ const _doPush = async () => {
         try {
           await db.collection(DB_COLLECTION).doc(_docId).update({ data })
           console.log('[cloud] _doPush update ok (re-located by _openid)')
+          _markSynced()
           return
         } catch (e) {
           // If even the freshly-located doc rejects our update (custom
@@ -185,6 +206,7 @@ const _doPush = async () => {
     if (res && res._id) _docId = res._id
     if (res && res._openid) _openid = res._openid
     console.log('[cloud] _doPush add ok, docId=', _docId)
+    _markSynced()
   } catch (e) {
     console.log('[cloud] _doPush error:', e.message || e)
   }
@@ -227,4 +249,12 @@ const clearAll = async () => {
   _docId = null
 }
 
-module.exports = { init, pullAll, pushAll, clearAll, get enabled() { return _enabled } }
+module.exports = {
+  init, pullAll, pushAll, clearAll, cancelPendingPush,
+  get enabled() { return _enabled },
+  get syncStatus() {
+    if (!_enabled) return 'disabled'
+    if (!_openid) return 'unauthenticated'
+    return 'ok'
+  }
+}

utils/plan.js

@@ -1,4 +1,4 @@
-const { formatDate } = require('./util')
+const { formatDate, dateOnly } = require('./util')
 
 /**
  * Build the per-day target array for a plan from its formula fields.
@@ -90,7 +90,7 @@ const getPlanDay = (planId, records, planStartDate) => {
   // Filter records: same plan, after plan start date, and not today
   const eligibleRecords = records.filter(r => {
     if (r.planId !== planId) return false
-    if (r.date === today) return false
+    if (dateOnly(r.date) === dateOnly(today)) return false
     if (planStartDate && r.date < planStartDate) return false
     return true
   })

utils/storage.js

@@ -7,6 +7,8 @@ const STREAK_KEY = 'current_streak'
 const CUSTOM_PLANS_KEY = 'custom_plans'
 const PROFILE_KEY = 'user_profile'
 
+let _idSeq = 0
+
 /**
  * Backfill an `id` for any record that doesn't have one.
  * Older records (e.g. data restored from cloud or migrated from a build
@@ -46,7 +48,7 @@ const getRecords = () => {
 }
 
 const saveRecord = (record) => {
-  record.id = String(Date.now())
+  record.id = String(Date.now()) + '_' + (++_idSeq)
   const records = getRecords()
   const month = record.date.substring(0, 7)
   if (!records[month]) records[month] = []
@@ -190,8 +192,10 @@ const validateStreak = () => {
     monthRecs.forEach(r => allDates.add(dateOnly(r.date)))
   })
 
+  const lastOnly = dateOnly(streak.lastDate)
+
   // If lastDate is today, check today still has records
-  if (dateOnly(streak.lastDate) === todayOnly) {
+  if (lastOnly === todayOnly) {
     if (!allDates.has(todayOnly)) {
       // Today's records were deleted
       if (allDates.has(yesterdayOnly)) {
@@ -206,8 +210,33 @@ const validateStreak = () => {
     return streak
   }
 
-  // If lastDate is not today and not yesterday, streak is already broken
-  // (updateStreak handles reset on next training), no action needed here
+  // If lastDate points to a date that no longer has ANY records,
+  // recompute the streak from actual recorded dates.
+  if (!allDates.has(lastOnly)) {
+    const sorted = Array.from(allDates).sort().reverse()
+    if (sorted.length === 0) {
+      streak.count = 0
+      streak.lastDate = ''
+    } else {
+      let count = 1
+      let prev = sorted[0]
+      for (let i = 1; i < sorted.length; i++) {
+        const prevDate = new Date(prev.replace(/-/g, '/'))
+        const curDate = new Date(sorted[i].replace(/-/g, '/'))
+        const diff = Math.round((prevDate - curDate) / (1000 * 60 * 60 * 24))
+        if (diff === 1) {
+          count++
+          prev = sorted[i]
+        } else {
+          break
+        }
+      }
+      streak.count = count
+      streak.lastDate = sorted[0]
+    }
+    wx.setStorageSync(STREAK_KEY, streak)
+  }
+
   return streak
 }