task-129(记录与版本中心): 实现软件版本上传进度和错误

新增 version-upload-state.ts：上传 job 状态转换与失败消息兜底。

TDD: task-129.test.ts 8 用例 RED→GREEN。

admin-frontend-vue/src/pages/records/version-upload-state.ts

@@ -0,0 +1,26 @@
+/** 软件版本上传进度与错误（任务 129）：上传 job 状态转换与失败消息兜底；纯逻辑。 */
+
+export type VersionUploadStatus = 'idle' | 'running' | 'done' | 'failed'
+
+export interface VersionUploadState {
+  status: VersionUploadStatus
+  progress: number
+  message?: string
+}
+
+export function createVersionUploadState(): VersionUploadState {
+  return { status: 'idle', progress: 0 }
+}
+
+export function startVersionUpload(_state: VersionUploadState): VersionUploadState {
+  return { status: 'running', progress: 0 }
+}
+
+export function succeedVersionUpload(_state: VersionUploadState): VersionUploadState {
+  return { status: 'done', progress: 100 }
+}
+
+export function failVersionUpload(_state: VersionUploadState, message: string): VersionUploadState {
+  const text = typeof message === 'string' ? message.trim() : ''
+  return { status: 'failed', progress: 0, message: text || '上传失败，请重试' }
+}