AND-245: show bundled Harness version and update action

src/main/index.ts

@@ -46,6 +46,7 @@ import {
   type DesktopMenuCommand
 } from '../shared/desktop-menu'
 import { buildPluginRecoveryViewModel } from './plugin-recovery-view'
+import { aboutDetail, bundledHarnessVersion } from './version-info'
 
 type PluginRecoveryAction = 'uninstall' | 'show-log' | 'quit' | 'restart' | 'refresh'
 
@@ -505,6 +506,26 @@ function assertTrustedMainWindowEvent(event: IpcMainInvokeEvent): void {
   }
 }
 
+async function showAbout(window: BrowserWindow): Promise<void> {
+  const locale = harnessLocale()
+  const checkForUpdatesLabel = locale === 'zh' ? '检查更新' : 'Check for Updates'
+  const result = await dialog.showMessageBox(window, {
+    type: 'info',
+    title: 'DSH Desktop',
+    message: locale === 'zh' ? '关于 DSH Desktop' : 'About DSH Desktop',
+    detail: aboutDetail(
+      app.getVersion(),
+      bundledHarnessVersion(app.getAppPath()),
+      locale
+    ),
+    buttons: [checkForUpdatesLabel, locale === 'zh' ? '关闭' : 'Close'],
+    defaultId: 1,
+    cancelId: 1,
+    noLink: true
+  })
+  if (result.response === 0) await checkForUpdates(true)
+}
+
 async function executeDesktopMenuCommand(command: DesktopMenuCommand): Promise<void> {
   const window = mainWindow
   if (!window || window.isDestroyed()) return
@@ -560,14 +581,7 @@ async function executeDesktopMenuCommand(command: DesktopMenuCommand): Promise<v
       window.setFullScreen(!window.isFullScreen())
       break
     case 'about':
-      await dialog.showMessageBox(window, {
-        type: 'info',
-        title: 'DSH Desktop',
-        message: `DSH Desktop ${app.getVersion()}`,
-        detail: 'A desktop application for DeepSeek Harness.',
-        buttons: ['OK'],
-        noLink: true
-      })
+      await showAbout(window)
       break
     case 'quit':
       app.quit()
@@ -769,7 +783,14 @@ function installMenu(): void {
           {
             label: app.name,
             submenu: [
-              { role: 'about' as const },
+              {
+                label: isChinese ? '关于 DSH Desktop' : 'About DSH Desktop',
+                click: () => {
+                  if (mainWindow && !mainWindow.isDestroyed()) {
+                    void showAbout(mainWindow).catch(showUnexpectedError)
+                  }
+                }
+              },
               {
                 label: checkForUpdatesLabel,
                 accelerator: 'CmdOrCtrl+U',

src/main/version-info.ts

@@ -0,0 +1,42 @@
+import { readFileSync } from 'node:fs'
+import { join } from 'node:path'
+
+interface PackageMetadata {
+  version?: unknown
+  dependencies?: Record<string, unknown>
+}
+
+function readPackageMetadata(path: string): PackageMetadata | undefined {
+  try {
+    return JSON.parse(readFileSync(path, 'utf8')) as PackageMetadata
+  } catch {
+    return undefined
+  }
+}
+
+function validVersion(value: unknown): string | undefined {
+  return typeof value === 'string' && value.trim().length > 0 ? value.trim() : undefined
+}
+
+export function bundledHarnessVersion(appPath: string): string | undefined {
+  const installedMetadata = readPackageMetadata(
+    join(appPath, 'node_modules', '@deepseek-ai', 'dsh', 'package.json')
+  )
+  const installedVersion = validVersion(installedMetadata?.version)
+  if (installedVersion) return installedVersion
+
+  const appMetadata = readPackageMetadata(join(appPath, 'package.json'))
+  return validVersion(appMetadata?.dependencies?.['@deepseek-ai/dsh'])
+}
+
+export function aboutDetail(
+  desktopVersion: string,
+  harnessVersion: string | undefined,
+  locale: 'en' | 'zh'
+): string {
+  const harness = harnessVersion ?? (locale === 'zh' ? '未知' : 'Unknown')
+  if (locale === 'zh') {
+    return `DSH Desktop 版本：${desktopVersion}\n内置 Harness 版本：${harness}\n\nHarness 随 DSH Desktop 更新。`
+  }
+  return `DSH Desktop version: ${desktopVersion}\nBundled Harness version: ${harness}\n\nHarness is updated with DSH Desktop.`
+}

test/version-info.test.ts

@@ -0,0 +1,45 @@
+import { mkdir, mkdtemp, rm, writeFile } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { afterEach, describe, expect, it } from 'vitest'
+import { aboutDetail, bundledHarnessVersion } from '../src/main/version-info'
+
+const temporaryRoots: string[] = []
+
+afterEach(async () => {
+  await Promise.all(temporaryRoots.splice(0).map((root) => rm(root, { recursive: true })))
+})
+
+describe('desktop version information', () => {
+  it('reports the version of the Harness package that is actually bundled', async () => {
+    const root = await mkdtemp(join(tmpdir(), 'dsh-version-info-'))
+    temporaryRoots.push(root)
+    const harnessRoot = join(root, 'node_modules', '@deepseek-ai', 'dsh')
+    await mkdir(harnessRoot, { recursive: true })
+    await writeFile(join(root, 'package.json'), JSON.stringify({
+      dependencies: { '@deepseek-ai/dsh': '0.1.0-rc.7' }
+    }))
+    await writeFile(join(harnessRoot, 'package.json'), JSON.stringify({
+      version: '0.1.0-rc.8'
+    }))
+
+    expect(bundledHarnessVersion(root)).toBe('0.1.0-rc.8')
+  })
+
+  it('falls back to the app dependency when installed package metadata is unavailable', async () => {
+    const root = await mkdtemp(join(tmpdir(), 'dsh-version-info-'))
+    temporaryRoots.push(root)
+    await writeFile(join(root, 'package.json'), JSON.stringify({
+      dependencies: { '@deepseek-ai/dsh': '0.1.0-rc.8' }
+    }))
+
+    expect(bundledHarnessVersion(root)).toBe('0.1.0-rc.8')
+  })
+
+  it('explains that Harness updates arrive with Desktop', () => {
+    expect(aboutDetail('0.1.1', '0.1.0-rc.8', 'zh')).toContain('内置 Harness 版本：0.1.0-rc.8')
+    expect(aboutDetail('0.1.1', '0.1.0-rc.8', 'en')).toContain(
+      'Harness is updated with DSH Desktop.'
+    )
+  })
+})

test/windows-titlebar.test.ts

@@ -54,6 +54,14 @@ describe('Windows titlebar menu', () => {
     expect(main).toContain('if (!isDesktopMenuCommand(command))')
   })
 
+  it('shows the bundled Harness version and offers an update check from About', async () => {
+    const main = await readFile('src/main/index.ts', 'utf8')
+
+    expect(main).toContain('bundledHarnessVersion(app.getAppPath())')
+    expect(main).toContain('if (result.response === 0) await checkForUpdates(true)')
+    expect(main).toContain('void showAbout(mainWindow).catch(showUnexpectedError)')
+  })
+
   it('synchronizes the native controls with Harness light and dark themes', async () => {
     const main = await readFile('src/main/index.ts', 'utf8')
     const preload = await readFile('src/preload/windows-titlebar.ts', 'utf8')