task-128(记录与版本中心): 实现软件版本上传表单

新增 version-upload-model.ts(版本号/文件校验与表单字段) 与 uploadSoftwareVersion
(multipart POST /api/admin/version)。

TDD: task-128.test.ts 8 用例 RED→GREEN。

admin-frontend-vue/src/pages/records/version-api.ts

@@ -4,8 +4,17 @@ import { parseSoftwareVersionList } from './version-model.ts'
 import type { SoftwareVersionList } from './version-dto.ts'
 
 export const SOFTWARE_VERSIONS_ENDPOINT = '/api/admin/versions'
+export const SOFTWARE_VERSION_UPLOAD_ENDPOINT = '/api/admin/version'
 
 export async function fetchSoftwareVersions(): Promise<SoftwareVersionList> {
   const { data } = await http.get<unknown>(SOFTWARE_VERSIONS_ENDPOINT)
   return parseSoftwareVersionList(data)
 }
+
+/** 上传客户端软件版本(multipart version + file)。 */
+export async function uploadSoftwareVersion(version: string, file: Blob, filename = ''): Promise<void> {
+  const form = new FormData()
+  form.append('version', version)
+  form.append('file', file, filename || (file instanceof File ? file.name : 'version.zip'))
+  await http.post<unknown>(SOFTWARE_VERSION_UPLOAD_ENDPOINT, form)
+}