优化：ROI 编辑页删除边缘设备选择器

device_id 现在由后端从摄像头配置自动继承，前端不再需要手动选择。

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

@@ -68,17 +68,6 @@ const snapOk = ref(false);
 const panelVisible = ref(false);
 const roiCanvasRef = ref<InstanceType<typeof RoiCanvas> | null>(null);
 
-const edgeDevices = ref<Array<{ deviceId: string }>>([]);
-
-async function loadEdgeDevices() {
-  try {
-    const list = await wvpRequestClient.get<Array<{ deviceId: string }>>('/aiot/device/device/list');
-    edgeDevices.value = (list as any) || [];
-  } catch {
-    edgeDevices.value = [{ deviceId: 'edge' }];
-  }
-}
-
 const selectedRoi = computed(() => {
   if (!selectedRoiId.value) return null;
   return roiList.value.find((r) => r.roiId === selectedRoiId.value) || null;
@@ -93,7 +82,6 @@ const polygonPointCount = computed(() => {
 // ==================== 初始化 ====================
 
 onMounted(async () => {
-  loadEdgeDevices();
   const q = route.query;
   if (q.cameraCode) {
     cameraCode.value = String(q.cameraCode);
@@ -230,7 +218,7 @@ function addFullscreen() {
         priority: 0,
         enabled: 1,
         description: '',
-        deviceId: edgeDevices.value[0]?.deviceId || 'edge',
+        deviceId: '',
       };
       try {
         await saveRoi(newRoi);
@@ -283,7 +271,7 @@ async function onRoiDrawn(data: { coordinates: string; roi_type: string }) {
     priority: 0,
     enabled: 1,
     description: '',
-    deviceId: edgeDevices.value[0]?.deviceId || 'edge',
+    deviceId: '',
   };
   try {
     await saveRoi(newRoi);
@@ -532,17 +520,6 @@ function handlePush() {
                     @blur="updateRoiData(selectedRoi!)"
                   />
                 </Form.Item>
-                <Form.Item label="边缘设备">
-                  <Select
-                    v-model:value="selectedRoi.deviceId"
-                    placeholder="选择边缘设备"
-                    @change="updateRoiData(selectedRoi!)"
-                  >
-                    <Select.Option v-for="dev in edgeDevices" :key="dev.deviceId" :value="dev.deviceId">
-                      {{ dev.deviceId }}
-                    </Select.Option>
-                  </Select>
-                </Form.Item>
                 <Form.Item label="颜色">
                   <Input
                     v-model:value="selectedRoi.color"