chore: 批量更新导入路径到 features 架构

- 更新所有 admin API 文件导入路径
- 更新所有 features 中 Vue 文件的导入路径
- 修复 ChatAttachmentImage 组件导入
- 修复 auth 模块部分导入路径

剩余 ~190 个类型错误待修复（主要是缺失的模块）

frontend/src/features/orders/types.ts

@@ -1,10 +1,4 @@
-# Orders 模块类型定义
+// Orders 模块类型定义
+// 所有类型从 API 层统一导出
 
-导出订单相关的类型，从 API 层统一导出。
-
-参考 `api/orders.ts` 中的类型定义：
-- Order
-- HandoffRecord
-- PaymentOrder
-- SubmitCheckoutPayload
-- CounterCheckoutPayload
+export * from './api/orders'

frontend/src/features/orders/views/OrderDetailView.vue

@@ -6,8 +6,8 @@ import { useRoute, useRouter } from 'vue-router'
 import QRCode from 'qrcode'
 
 import { fetchOrderChat } from '@/api/chats'
-import { createDispute } from '@/api/disputes'
-import { uploadFile } from '@/api/files'
+import { createDispute } from '@/features/disputes'
+import { uploadFile } from '@/shared/api/files'
 import {
   acceptCheckout,
   cancelOrder,
@@ -23,7 +23,7 @@ import {
   type HandoffRecord,
   type Order,
   type PaymentOrder,
-} from '@/api/orders'
+} from '@/features/orders'
 import { useSessionStore } from '@/stores/session'
 import { handoffStatusLabel, orderStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'

frontend/src/features/orders/views/OrdersView.vue

@@ -4,7 +4,7 @@ import { ElMessage } from 'element-plus'
 import { useRoute, useRouter } from 'vue-router'
 import { CopyDocument, Search } from '@element-plus/icons-vue'
 
-import { fetchOrders, type Order } from '@/api/orders'
+import { fetchOrders, type Order } from '@/features/orders'
 import { useSessionStore } from '@/stores/session'
 import { orderStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'