Round6: 前台图片缩略图+下载/视频修复; 后台连接测试单次+自动消失; 导航重组; 存储中文化; 自动化去掉创建按钮; 短信验证码(注册/重置/充值通知)

frontend/src/pages/admin/Automation.tsx

@@ -136,25 +136,7 @@ const Automation: React.FC = () => {
   useEffect(() => { loadStats(); }, []);
   useEffect(() => { loadTasks(); }, [page, filterTrigger, keyword]);
 
-  // Open create modal
-  const openCreateModal = () => {
-    setEditingTask(null);
-    setFormData({
-      name: '',
-      description: '',
-      trigger_type: 'cron',
-      cron_expression: '*/5 * * * *',
-      event_condition_str: '',
-      action_type: 'ai_pipeline',
-      action_config_str: '{"pipeline_name": "default"}',
-      is_enabled: true,
-      max_retries: 3,
-      timeout_seconds: 300,
-    });
-    setModalVisible(true);
-  };
-
-  // Open edit modal
+  // Open edit modal (tasks are created by AI in chat; admin only edits/enables existing ones)
   const openEditModal = async (task: AutomationTask) => {
     try {
       const result = await adminAPI.getAdminAutomationTask(task.id) as any;
@@ -311,7 +293,7 @@ const Automation: React.FC = () => {
     <div className="admin-page">
       <div className="admin-page-header" style={{ display: "flex", justifyContent: "space-between", alignItems: "center", marginBottom: "24px", flexWrap: "wrap", gap: "12px" }}>
         <h2>自动化任务调度</h2>
-        <button className="admin-btn admin-btn-primary" onClick={openCreateModal}>+ 创建任务</button>
+        <span className="admin-page-hint">任务由 AI 在聊天中自动创建，此处仅支持查看、编辑与启停</span>
       </div>
 
       {/* Stats Cards */}
@@ -445,7 +427,7 @@ const Automation: React.FC = () => {
       {modalVisible && (
         <div className="modal-overlay" style={{ position: 'fixed', top: 0, left: 0, right: 0, bottom: 0, background: 'rgba(0,0,0,0.5)', display: 'flex', alignItems: 'center', justifyContent: 'center', zIndex: 1000 }}>
           <div style={{ background: '#fff', borderRadius: '12px', padding: '24px', width: '560px', maxHeight: '90vh', overflow: 'auto', boxShadow: '0 20px 60px rgba(0,0,0,0.2)' }}>
-            <h3 style={{ margin: '0 0 20px', fontSize: '18px' }}>{editingTask ? '编辑任务' : '创建自动化任务'}</h3>
+            <h3 style={{ margin: '0 0 20px', fontSize: '18px' }}>编辑任务</h3>
             <div style={{ display: 'flex', flexDirection: 'column', gap: '14px' }}>
               <div><label style={labelStyle}>任务名称 *</label>
                 <input type="text" value={formData.name} onChange={e => setFormData({ ...formData, name: e.target.value })} style={inputStyle} placeholder="如: 每日报表生成" /></div>