feat(h5): 修复alert.html认证Bug + 新增log-detail.html日志详情页

- alert.html: requireAuth()后加return防止未登录时继续执行
- 新增log-detail.html: 独立详情页(骨架屏+设备标签+安全备注+照片)
- logs.html: 列表项跳转log-detail.html?id=xxx
- mock.js: MOCK_LOGS补全part/equipment/author/created_at/safety_note字段
- 补全equip-checkbox等CSS样式

h5/logs.html

@@ -53,7 +53,6 @@
   <script src="js/api.js"></script>
   <script src="js/app.js"></script>
   <script>
-    if (!requireAuth()) {}
 
     function renderLogs(logs) {
       const list = document.getElementById('logList');
@@ -69,10 +68,10 @@
       }
       const equipText = { tower_crane: '塔吊', elevator: '升降机' };
       list.innerHTML = logs.map(log => {
-        const contentPreview = log.content.length > 50 ? log.content.substring(0, 50) + '...' : log.content;
-        const equipStr = log.equipment.length ? ' · ' + log.equipment.map(e => equipText[e] || e).join(', ') : '';
+        const contentPreview = (log.content || '').length > 50 ? log.content.substring(0, 50) + '...' : (log.content || '');
+        const equipStr = (log.equipment && log.equipment.length) ? ' · ' + log.equipment.map(e => equipText[e] || e).join(', ') : '';
         return `
-          <a class="weui-cell weui-cell_access" href="log.html?id=${log.id}">
+          <a class="weui-cell weui-cell_access" href="log-detail.html?id=${log.id}">
             <div class="weui-cell__bd">
               <div class="log-item-date">
                 <i class="ri-calendar-line"></i>