feat(aiot): 摄像头管理页面改用cameraCode，隐藏app输入

- 表格列：将"应用名"改为"摄像头编码"，显示cameraCode字段
- loadRoiCounts：使用cameraCode替代app/stream拼接
- handleRoiConfig：路由query使用cameraCode替代cameraId
- handleExport：使用cameraCode导出配置
- 表单：隐藏app输入框，编辑模式显示cameraCode(只读)
- 删除确认：显示cameraCode而非app/stream
- 验证逻辑：移除app字段必填验证

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/web-antd/src/views/aiot/device/camera/index.vue

@@ -54,8 +54,7 @@ const searchQuery = ref('');
 const searchPulling = ref<string | undefined>(undefined);
 
 const columns = [
-  { title: '应用名', dataIndex: 'app', width: 100 },
-  { title: '流ID', dataIndex: 'stream', width: 120 },
+  { title: '摄像头编码', dataIndex: 'cameraCode', width: 180 },
   { title: '拉流地址', dataIndex: 'srcUrl', ellipsis: true },
   { title: '状态', key: 'pulling', width: 100 },
   { title: 'ROI', key: 'roiCount', width: 80, align: 'center' as const },
@@ -110,11 +109,12 @@ async function loadData() {
 
 function loadRoiCounts() {
   for (const cam of cameraList.value) {
-    const cameraId = `${cam.app}/${cam.stream}`;
-    getRoiByCameraId(cameraId)
+    const cameraCode = cam.cameraCode;
+    if (!cameraCode) continue;
+    getRoiByCameraId(cameraCode)
       .then((data: any) => {
         const items = Array.isArray(data) ? data : [];
-        roiCounts.value = { ...roiCounts.value, [cameraId]: items.length };
+        roiCounts.value = { ...roiCounts.value, [cameraCode]: items.length };
       })
       .catch(() => {});
   }
@@ -169,6 +169,7 @@ function handleEdit(row: AiotDeviceApi.Camera) {
     type: row.type || 'default',
     app: row.app || '',
     stream: row.stream || '',
+    cameraCode: row.cameraCode || '',
     srcUrl: row.srcUrl || '',
     timeout: row.timeout ?? 15,
     rtspType: row.rtspType || '0',
@@ -185,10 +186,6 @@ function handleEdit(row: AiotDeviceApi.Camera) {
 }
 
 async function handleSave() {
-  if (!editForm.app?.trim()) {
-    message.warning('请输入应用名');
-    return;
-  }
   if (!editForm.stream?.trim()) {
     message.warning('请输入流ID');
     return;
@@ -215,7 +212,7 @@ async function handleSave() {
 function handleDelete(row: AiotDeviceApi.Camera) {
   Modal.confirm({
     title: '删除确认',
-    content: `确定删除摄像头 ${row.app}/${row.stream} ？`,
+    content: `确定删除摄像头 ${row.cameraCode || row.stream} ？`,
     okType: 'danger',
     async onOk() {
       try {
@@ -252,9 +249,7 @@ function handleRoiConfig(row: AiotDeviceApi.Camera) {
   router.push({
     path: '/aiot/device/roi',
     query: {
-      cameraId: `${row.app}/${row.stream}`,
-      app: row.app,
-      stream: row.stream,
+      cameraCode: row.cameraCode,
       srcUrl: row.srcUrl,
     },
   });
@@ -263,15 +258,19 @@ function handleRoiConfig(row: AiotDeviceApi.Camera) {
 // ==================== 配置导出 ====================
 
 async function handleExport(row: AiotDeviceApi.Camera) {
-  const cameraId = `${row.app}/${row.stream}`;
+  const cameraCode = row.cameraCode;
+  if (!cameraCode) {
+    message.warning('摄像头编码为空，无法导出');
+    return;
+  }
   try {
-    const data = await exportConfig(cameraId);
+    const data = await exportConfig(cameraCode);
     const json = JSON.stringify(data, null, 2);
     const blob = new Blob([json], { type: 'application/json' });
     const url = URL.createObjectURL(blob);
     const a = document.createElement('a');
     a.href = url;
-    a.download = `config_${row.app}_${row.stream}.json`;
+    a.download = `config_${cameraCode}.json`;
     a.click();
     URL.revokeObjectURL(url);
   } catch {
@@ -380,7 +379,7 @@ onMounted(() => {
           </template>
           <template v-else-if="column.key === 'roiCount'">
             <Badge
-              :count="roiCounts[`${record.app}/${record.stream}`] ?? 0"
+              :count="roiCounts[record.cameraCode] ?? 0"
               :number-style="{ backgroundColor: '#1677ff' }"
               show-zero
             />
@@ -436,8 +435,8 @@ onMounted(() => {
             ]"
           />
         </Form.Item>
-        <Form.Item label="应用名" required>
-          <Input v-model:value="editForm.app" placeholder="如: live" />
+        <Form.Item v-if="editForm.id" label="摄像头编码">
+          <Input :value="editForm.cameraCode" disabled />
         </Form.Item>
         <Form.Item label="流ID" required>
           <Input