refactor: 重命名 API 文件并更新引用路径

- 重命名 13 个 API 文件，去掉 -api 后缀
  * src/api/auth-api.ts  auth.ts
  * src/api/codegen-api.ts  codegen.ts
  * src/api/file-api.ts  file.ts
  * src/api/system/*.ts (9个文件)

- 批量更新 50+ 处 API 引用路径
- 修复 websocket 和枚举导入路径
- 确保零编码问题（使用 UTF-8 编码）

src/views/demo/curd-single.vue

@@ -68,10 +68,10 @@
 </template>
 
 <script setup lang="ts">
-import UserAPI from "@/api/system/user-api";
-import DeptAPI from "@/api/system/dept-api";
-import RoleAPI from "@/api/system/role-api";
-import type { UserForm, UserPageQuery } from "@/api/system/user-api";
+import UserAPI from "@/api/system/user";
+import DeptAPI from "@/api/system/dept";
+import RoleAPI from "@/api/system/role";
+import type { UserForm, UserPageQuery } from "@/api/system/user";
 import type { IObject, IModalConfig, IContentConfig, ISearchConfig } from "@/components/CURD/types";
 import { DeviceEnum } from "@/enums/settings/device-enum";
 import { useAppStore } from "@/store";

src/views/demo/curd/config/add.ts

@@ -1,4 +1,4 @@
-import UserAPI, { type UserForm } from "@/api/system/user-api";
+import UserAPI, { type UserForm } from "@/api/system/user";
 import type { IModalConfig } from "@/components/CURD/types";
 import { deptArr, roleArr } from "./options";
 

src/views/demo/curd/config/content.ts

@@ -1,6 +1,6 @@
-import UserAPI from "@/api/system/user-api";
-import RoleAPI from "@/api/system/role-api";
-import type { UserPageQuery } from "@/api/system/user-api";
+import UserAPI from "@/api/system/user";
+import RoleAPI from "@/api/system/role";
+import type { UserPageQuery } from "@/api/system/user";
 import type { IContentConfig } from "@/components/CURD/types";
 
 const contentConfig: IContentConfig<UserPageQuery> = {

src/views/demo/curd/config/edit.ts

@@ -1,4 +1,4 @@
-import UserAPI, { type UserForm } from "@/api/system/user-api";
+import UserAPI, { type UserForm } from "@/api/system/user";
 import type { IModalConfig } from "@/components/CURD/types";
 import { DeviceEnum } from "@/enums/settings/device-enum";
 import { useAppStore } from "@/store";

src/views/demo/curd/config/options.ts

@@ -1,6 +1,6 @@
 /** 公共下载数据，减少重复请求次数 */
-import DeptAPI from "@/api/system/dept-api";
-import RoleAPI from "@/api/system/role-api";
+import DeptAPI from "@/api/system/dept";
+import RoleAPI from "@/api/system/role";
 
 interface OptionType {
   label: string;

src/views/demo/curd/config2/add.ts

@@ -1,4 +1,4 @@
-import type { UserForm } from "@/api/system/user-api";
+import type { UserForm } from "@/api/system/user";
 import type { IModalConfig } from "@/components/CURD/types";
 import { deptArr } from "../config/options";
 

src/views/demo/curd/index.vue

@@ -113,7 +113,7 @@
 </template>
 
 <script setup lang="ts">
-import UserAPI from "@/api/system/user-api";
+import UserAPI from "@/api/system/user";
 import type { IObject, IOperateData, PageModalInstance } from "@/components/CURD/types";
 import usePage from "@/components/CURD/usePage";
 import addModalConfig from "./config/add";

src/views/demo/dict-sync.vue

@@ -141,7 +141,7 @@
 <script setup lang="ts">
 import { useDictStoreHook } from "@/store/modules/dict-store";
 import { useDateFormat } from "@vueuse/core";
-import DictAPI, { DictItemForm } from "@/api/system/dict-api";
+import DictAPI, { DictItemForm } from "@/api/system/dict";
 import { useDictSync, DictMessage } from "@/composables";
 
 // 性别字典编码

src/views/demo/signature.vue

@@ -21,7 +21,7 @@
   </div>
 </template>
 <script setup lang="ts">
-import FileAPI from "@/api/file-api";
+import FileAPI from "@/api/file";
 
 const imgUrl = ref("");
 const canvas = ref();

src/views/demo/table-select/config/select.ts

@@ -1,4 +1,4 @@
-import UserAPI from "@/api/system/user-api";
+import UserAPI from "@/api/system/user";
 import type { ISelectConfig } from "@/components/TableSelect/index.vue";
 
 const selectConfig: ISelectConfig = {