chore: 修复大量导入路径错误

- 迁移 files API 到 shared/api/
- 修复所有 features 中的 @/api/ 导入
- 修复所有 features 中的 @/composables/ 导入
- 更新 useOrderDetail 中的 uploadFile 调用

类型错误：272 → 190 → 135

frontend/src/features/orders/composables/useOrderDetail.ts

@@ -9,9 +9,9 @@ import {
   submitHandoff,
   confirmReceive,
 } from '../api/orders'
-import { createDispute } from '@/api/disputes'
-import { uploadFile } from '@/api/files'
-import { fetchOrderChat } from '@/api/chats'
+import { createDispute } from '@/features/disputes/api/disputes'
+import { uploadFile } from '@/shared/api/files'
+import { fetchOrderChat } from '@/features/chats/api/chats'
 import { useSessionStore } from '@/stores/session'
 import { usePaymentPolling } from './usePaymentPolling'
 import { useSettlement } from './useSettlement'
@@ -147,7 +147,7 @@ export function useOrderDetail() {
   async function handleUploadEvidence(file: File) {
     uploadingEvidence.value = true
     try {
-      const result = await uploadFile(file)
+      const result = await uploadFile(file, 'evidence')
       return result.url
     } finally {
       uploadingEvidence.value = false