feat(push): Token 复制按钮 + romVersion 显示

- PushManagementView: 系统版本列新增 romVersion 子行显示（灰色小字）
- Token 预览列新增"复制"按钮，点击后调管理端接口获取完整 token 并复制到剪贴板
- DeviceInfo 接口添加 romVersion 字段
- pushAdminApi 新增 getDeviceToken 方法

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

tenant-platform/src/api/push.ts

@@ -9,6 +9,7 @@ export interface DeviceInfo {
   brand: string | null
   model: string | null
   osVersion: string | null
+  romVersion: string | null
   appVersion: string | null
   receivePush: boolean
   lastLoginAt: string | null
@@ -95,4 +96,10 @@ export const pushAdminApi = {
       '/push/admin/operation-logs', { params: { appKey, page, size } },
     )
   },
+
+  getDeviceToken(appKey: string, deviceId: string) {
+    return client.get<{ data: { token: string } }>(`/push/admin/devices/${deviceId}/token`, {
+      params: { appKey },
+    })
+  },
 }

tenant-platform/src/views/push/PushManagementView.vue

@@ -74,9 +74,23 @@
           <el-table-column label="平台" prop="platform" width="90" />
           <el-table-column label="品牌" prop="brand" width="80" />
           <el-table-column label="型号" prop="model" min-width="110" />
-          <el-table-column label="系统版本" prop="osVersion" width="100" />
+          <el-table-column label="系统版本" min-width="120">
+            <template #default="{ row }">
+              <div>{{ row.osVersion || '-' }}</div>
+              <div v-if="row.romVersion" style="font-size:11px;color:#909399">{{ row.romVersion }}</div>
+            </template>
+          </el-table-column>
           <el-table-column label="App 版本" prop="appVersion" width="90" />
-          <el-table-column label="Token 预览" prop="tokenPreview" min-width="140" />
+          <el-table-column label="Token 预览" min-width="140">
+            <template #default="{ row }">
+              <el-space>
+                <span>{{ row.tokenPreview }}</span>
+                <el-tooltip content="复制完整 Token" placement="top">
+                  <el-button link size="small" @click="copyToken(row)">复制</el-button>
+                </el-tooltip>
+              </el-space>
+            </template>
+          </el-table-column>
           <el-table-column label="接收推送" width="90" align="center">
             <template #default="{ row }">
               <el-tag :type="row.receivePush ? 'success' : 'danger'" size="small">
@@ -290,6 +304,17 @@ async function sendTestPush() {
   }
 }
 
+async function copyToken(row: { id: string; tokenPreview: string }) {
+  try {
+    const res = await pushAdminApi.getDeviceToken(appKey.value, row.id)
+    await navigator.clipboard.writeText(res.data.data.token)
+    ElMessage.success('Token 已复制')
+  } catch {
+    await navigator.clipboard.writeText(row.tokenPreview)
+    ElMessage.info('已复制 Token 预览')
+  }
+}
+
 async function loadLogs() {
   const uid = logsUserId.value.trim()
   if (!uid) return