feat(h5): 完善隐患随手拍模块 + 新增AI分析模块

新增页面:
- ai-analyses.html: AI分析列表（Tab筛选：全部/人员安全/设备异常/环境风险）
- ai-analysis.html: AI分析详情（设备信息+AI分析描述+建议措施）
- reports.html: 隐患随手拍列表（Tab筛选：全部/待处理/处理中/已处理，FAB悬浮新建按钮）
- report-detail.html: 隐患详情（状态时间线+认领/处理完成操作）

Mock层补全:
- MOCK_AI_ANALYSES (4条AI分析记录，3种类型)
- getAnalysisTypeInfo() / getAIAnalysisById() 辅助函数
- apiGetAIAnalyses() / apiGetAIAnalysisDetail() / apiGetReportDetail()

UI规范统一（frontend-dev skill门控）:
- 统一TabBar为tab-bar class，替换所有weui-tabbar
- 随手拍入口统一为reports.html，report.html为新建表单
- 新页面全部实现skeleton骨架屏+空状态+loading状态
- severity/status使用RemixIcon，无emoji
- pulse-dot动画用于待处理状态指示

h5/alerts.html

@@ -33,31 +33,23 @@
       <div id="alertList" class="weui-cells"></div>
     </div>
 
-    <!-- 底部Tabbar weui-tabbar -->
-    <div class="weui-tabbar">
-      <a href="index.html" class="weui-tabbar__item">
-        <div class="weui-tabbar__icon">
-          <i class="ri-home-line"></i>
-        </div>
-        <p class="weui-tabbar__label">首页</p>
+    <!-- 底部TabBar -->
+    <div class="tab-bar">
+      <a href="index.html" class="tab-item">
+        <i class="ri-home-line tab-item-icon"></i>
+        <span class="tab-item-text">首页</span>
       </a>
-      <a href="devices.html" class="weui-tabbar__item">
-        <div class="weui-tabbar__icon">
-          <i class="ri-archive-line"></i>
-        </div>
-        <p class="weui-tabbar__label">设备</p>
+      <a href="devices.html" class="tab-item">
+        <i class="ri-archive-line tab-item-icon"></i>
+        <span class="tab-item-text">设备</span>
       </a>
-      <a href="report.html" class="weui-tabbar__item">
-        <div class="weui-tabbar__icon">
-          <i class="ri-camera-line"></i>
-        </div>
-        <p class="weui-tabbar__label">随手拍</p>
+      <a href="reports.html" class="tab-item">
+        <i class="ri-camera-line tab-item-icon"></i>
+        <span class="tab-item-text">随手拍</span>
       </a>
-      <a href="logs.html" class="weui-tabbar__item">
-        <div class="weui-tabbar__icon">
-          <i class="ri-file-list-3-line"></i>
-        </div>
-        <p class="weui-tabbar__label">日志</p>
+      <a href="logs.html" class="tab-item">
+        <i class="ri-file-list-3-line tab-item-icon"></i>
+        <span class="tab-item-text">日志</span>
       </a>
     </div>
   </div>