feat: 修复清除数据、语音缓存、排行榜限制，新增项目配置文件

- 修复 cloud.clearAll 静默失败导致重启后数据恢复
- 清除数据弹窗改用自定义 ui-modal 替代 wx.showModal
- TTS 语音合成增加 fileID 持久化缓存，重启不再重新合成
- 排行榜限制前15名，maxRank 参数化到 config.js
- 新增 config.js 统一管理版本号/更新日期/开发者/排行榜限制
- progress-ring 消除 getSystemInfoSync 弃用警告
- voice.js 增加 InnerAudioContext 错误监听
- storage/util 完善用户资料、打卡日期精度、记录日志

pages/leaderboard/leaderboard.js

@@ -2,6 +2,7 @@ const themeMod = require('../../utils/theme')
 const iconsMod = require('../../utils/icons')
 const util = require('../../utils/util')
 const storage = require('../../utils/storage')
+const config = require('../../config')
 
 Page({
   data: {
@@ -56,7 +57,10 @@ Page({
     this.setData({ loading: true, empty: false })
     wx.cloud.callFunction({
       name: 'leaderboard',
-      data: { period: this.data.activePeriod }
+      data: {
+        period: this.data.activePeriod,
+        maxRank: config.leaderboardMaxRank
+      }
     }).then(res => {
       this._applyResult(res.result || {})
       if (cb) cb()
@@ -92,6 +96,8 @@ Page({
     const today = storage.getToday()
     const thisMonth = today.substring(0, 7)
     const thisYear = String(new Date().getFullYear())
+    const profile = storage.getProfile()
+    const localName = profile.nickname || '我'
 
     let duration = 0
     let sessions = 0
@@ -103,7 +109,8 @@ Page({
 
     if (duration > 0) {
       const entry = {
-        rank: 1, openid: 'local', name: '我', duration, durationText: util.formatDuration(duration), sessions
+        rank: 1, openid: 'local', name: localName, nickname: profile.nickname || '',
+        duration, durationText: util.formatDuration(duration), sessions
       }
       this.setData({ rankedList: [entry], myEntry: { ...entry, isMe: true }, loading: false, empty: false })
     } else {