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/settings/settings.wxss

@@ -226,6 +226,89 @@
   font-weight: 500;
 }
 
+/* ---- profile ---- */
+.profile-row {
+  display: flex;
+  align-items: center;
+  padding: 16rpx 0 24rpx;
+}
+
+.avatar-btn {
+  position: relative;
+  width: 120rpx;
+  height: 120rpx;
+  padding: 0;
+  margin: 0;
+  background: #F5F5F5;
+  border-radius: 50%;
+  border: none;
+  line-height: 1;
+  overflow: hidden;
+  flex-shrink: 0;
+}
+
+.avatar-btn::after {
+  border: none;
+}
+
+.avatar-img {
+  width: 100%;
+  height: 100%;
+  border-radius: 50%;
+  /* peopleFill svg is mostly transparent; give it a soft tint */
+  background: #EEE;
+  padding: 24rpx;
+  box-sizing: border-box;
+}
+
+.avatar-overlay {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  height: 36rpx;
+  background: rgba(0, 0, 0, 0.55);
+  color: #FFFFFF;
+  font-size: 20rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.profile-info {
+  flex: 1;
+  margin-left: 24rpx;
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+}
+
+.profile-name {
+  font-size: 32rpx;
+  font-weight: 600;
+  color: var(--text);
+  line-height: 1.2;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.profile-sub {
+  font-size: 22rpx;
+  color: var(--text-secondary);
+  margin-top: 8rpx;
+  line-height: 1;
+}
+
+.nickname-input {
+  flex: 1;
+  text-align: right;
+  font-size: 28rpx;
+  color: var(--text);
+  padding: 0;
+  background: transparent;
+}
+
 .about-footer {
   margin-top: 24rpx;
   padding-top: 20rpx;
@@ -440,3 +523,57 @@
   color: var(--text-secondary);
   padding: 12rpx 0 0;
 }
+
+/* ---- 清除数据确认弹窗 ---- */
+
+.confirm-dialog {
+  padding: 48rpx 40rpx 32rpx;
+  text-align: center;
+}
+
+.confirm-title {
+  display: block;
+  font-size: 34rpx;
+  font-weight: 600;
+  color: var(--text);
+  margin-bottom: 16rpx;
+}
+
+.confirm-desc {
+  display: block;
+  font-size: 26rpx;
+  color: var(--text-secondary);
+  line-height: 1.6;
+  margin-bottom: 40rpx;
+}
+
+.confirm-actions {
+  display: flex;
+  gap: 20rpx;
+}
+
+.confirm-btn {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 88rpx;
+  border-radius: 16rpx;
+  font-size: 30rpx;
+  font-weight: 500;
+  transition: opacity 0.15s;
+}
+
+.confirm-btn:active {
+  opacity: 0.8;
+}
+
+.confirm-btn--cancel {
+  background: var(--bg);
+  color: var(--text-secondary);
+}
+
+.confirm-btn--danger {
+  background: #E53935;
+  color: #FFFFFF;
+}