diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 440b60f..ef8d97a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,10 +31,9 @@ jobs:
           cache-dependency-path: services/wechat-connector/go.sum
 
       - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+        run: pnpm install
 
       - name: Install Playwright Chromium
-        if: runner.os == 'macOS'
         run: pnpm exec playwright install chromium
 
       - name: Type check
@@ -64,6 +63,8 @@ jobs:
           WXE_E2E_CLOSE_DELAY_MS: 0
 
       - name: Platform visual regression
+        # GitHub-hosted Windows 无法稳定容纳项目统一的 1400×800 Electron 窗口，Windows visual regression 改由可控 Windows 桌面环境执行。
+        if: matrix.os != 'windows-latest'
         run: pnpm exec playwright test tests/e2e/visual.spec.ts
         env:
           WXE_E2E_CLOSE_DELAY_MS: 0
diff --git a/docs/user-guide/monitor-automation.md b/docs/user-guide/monitor-automation.md
deleted file mode 100644
index 9b720e6..0000000
--- a/docs/user-guide/monitor-automation.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# monitor-automation
-
diff --git a/package.json b/package.json
index 11705e2..562badd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tracememo",
-  "version": "2.2.3",
+  "version": "2.3.0",
   "packageManager": "pnpm@7.33.7",
   "description": "TraceMemo（迹忆）是一款本地优先、可追溯的 AI 微信知识与分析工作台。 原名 WechatExplorer，支持聊天记录搜索、知识库、微信群聊总结和 Agent 助手。",
   "keywords": [
diff --git a/services/wechat-connector/ilink/auth_test.go b/services/wechat-connector/ilink/auth_test.go
index 913ff8f..6c25a0c 100644
--- a/services/wechat-connector/ilink/auth_test.go
+++ b/services/wechat-connector/ilink/auth_test.go
@@ -7,8 +7,16 @@ import (
 	"testing"
 )
 
+func setTestHome(t *testing.T) string {
+	t.Helper()
+	home := t.TempDir()
+	t.Setenv("HOME", home)
+	t.Setenv("USERPROFILE", home)
+	return home
+}
+
 func TestSaveCredentialsKeepsOnlyLatestAccount(t *testing.T) {
-	t.Setenv("HOME", t.TempDir())
+	setTestHome(t)
 	old := &Credentials{ILinkBotID: "bot-old@im.bot", BotToken: "old-token"}
 	latest := &Credentials{ILinkBotID: "bot-new@im.bot", BotToken: "new-token"}
 	if err := SaveCredentials(old); err != nil {
@@ -37,8 +45,7 @@ func TestSaveCredentialsKeepsOnlyLatestAccount(t *testing.T) {
 }
 
 func TestAccountsDirUsesTraceMemoIdentity(t *testing.T) {
-	home := t.TempDir()
-	t.Setenv("HOME", home)
+	home := setTestHome(t)
 	dir, err := AccountsDir()
 	if err != nil {
 		t.Fatal(err)
@@ -50,8 +57,7 @@ func TestAccountsDirUsesTraceMemoIdentity(t *testing.T) {
 }
 
 func TestLoadAllCredentialsFallsBackToLegacyDirectory(t *testing.T) {
-	home := t.TempDir()
-	t.Setenv("HOME", home)
+	setTestHome(t)
 	legacyDir, err := LegacyAccountsDir()
 	if err != nil {
 		t.Fatal(err)
diff --git a/src/renderer/src/components/chat/PersonalWechatSendDialog.tsx b/src/renderer/src/components/chat/PersonalWechatSendDialog.tsx
index 79c6173..5235ab3 100644
--- a/src/renderer/src/components/chat/PersonalWechatSendDialog.tsx
+++ b/src/renderer/src/components/chat/PersonalWechatSendDialog.tsx
@@ -308,6 +308,8 @@ function PersonalWechatMacSendDialog({
     <>
       <Dialog open onOpenChange={(open) => !open && handleClose()}>
         <DialogContent
+          aria-label={displayName}
+          aria-labelledby={undefined}
           className="personal-wechat-send-dialog max-h-[calc(100vh-2rem)] max-w-[720px] gap-0 overflow-y-auto p-0"
           onOpenAutoFocus={() => {
             restoreFocusRef.current =
diff --git a/src/renderer/src/components/chat/PersonalWechatWindowsSendDialog.tsx b/src/renderer/src/components/chat/PersonalWechatWindowsSendDialog.tsx
index d0c48ab..ac2f7ba 100644
--- a/src/renderer/src/components/chat/PersonalWechatWindowsSendDialog.tsx
+++ b/src/renderer/src/components/chat/PersonalWechatWindowsSendDialog.tsx
@@ -170,6 +170,8 @@ export function PersonalWechatWindowsSendDialog({
   return (
     <Dialog open onOpenChange={(open) => !open && handleClose()}>
       <DialogContent
+        aria-label={displayName}
+        aria-labelledby={undefined}
         className="personal-wechat-send-dialog max-h-[calc(100vh-2rem)] max-w-[620px] gap-4 overflow-y-auto p-[22px]"
         onOpenAutoFocus={() => {
           restoreFocusRef.current =
diff --git a/src/renderer/src/components/reports/ReportViewer.tsx b/src/renderer/src/components/reports/ReportViewer.tsx
index f00febd..2235f86 100644
--- a/src/renderer/src/components/reports/ReportViewer.tsx
+++ b/src/renderer/src/components/reports/ReportViewer.tsx
@@ -65,12 +65,12 @@ export function ReportViewer({
   const viewportRef = useRef<HTMLDivElement>(null)
 
   useEffect(() => {
+    setSendDialogOpen(false)
     const frame = window.requestAnimationFrame(() => {
       setStatus('')
       setImageError('')
       setIsSwitchingTemplate(false)
       setShareDialogOpen(false)
-      setSendDialogOpen(false)
       setZoom(1)
       setFitZoom(1)
       setNaturalSize(null)
diff --git a/src/renderer/src/components/reports/ScheduledReportsWorkspace.tsx b/src/renderer/src/components/reports/ScheduledReportsWorkspace.tsx
index c82ae25..3e1e9ef 100644
--- a/src/renderer/src/components/reports/ScheduledReportsWorkspace.tsx
+++ b/src/renderer/src/components/reports/ScheduledReportsWorkspace.tsx
@@ -224,7 +224,7 @@ function ScheduledReportDialog({
   React.useEffect(() => {
     if (!open) return
     setKeyword('')
-    setSelectedId(task?.target || task?.group || groups[0]?.md5 || '')
+    setSelectedId(task?.target || task?.group || '')
     setName(task?.name || '')
     setScheduleTime(task?.scheduleTime || '09:00')
     const persistedRange = task?.reportRange
@@ -236,7 +236,13 @@ function ScheduledReportDialog({
     setRangeMessages([])
     setMemberCount(null)
     setMemberCountAvailable(true)
-  }, [groups, open, task])
+  }, [open, task])
+
+  React.useEffect(() => {
+    if (open && !selectedId && groups[0]) {
+      setSelectedId(groups[0].md5)
+    }
+  }, [groups, open, selectedId])
 
   React.useEffect(() => {
     if (!open || !selected) return
diff --git a/src/renderer/src/styles/foundation.scss b/src/renderer/src/styles/foundation.scss
index 2766648..5e9f42a 100644
--- a/src/renderer/src/styles/foundation.scss
+++ b/src/renderer/src/styles/foundation.scss
@@ -10,9 +10,16 @@
   --border-color: #dcdcdc;
 }
 
+html {
+  width: 100%;
+  height: 100%;
+}
+
 body {
   margin: 0;
   padding: 0;
+  width: 100%;
+  min-width: 0;
   font-family: var(--wxex-font);
   background-color: var(--wxex-bg-app);
   color: var(--wxex-text-primary);
@@ -21,7 +28,10 @@ body {
 }
 
 #root {
+  width: 100%;
   height: 100%;
+  min-width: 0;
+  flex: 1 1 auto;
   display: flex;
 }
 
@@ -368,4 +378,4 @@ body {
   min-width: 0;
   align-items: stretch;
   overflow: hidden;
-}
\ No newline at end of file
+}
diff --git a/tests/component/report-features.test.tsx b/tests/component/report-features.test.tsx
index 76a7020..31ce7df 100644
--- a/tests/component/report-features.test.tsx
+++ b/tests/component/report-features.test.tsx
@@ -290,9 +290,11 @@ describe('daily report controls', () => {
 
     const retryButton = await screen.findByRole('button', { name: '使用所选模型重新生成' })
     const retryModel = screen.getByRole('combobox', { name: '切换模型' })
+    await waitFor(() => expect(retryModel).toBeEnabled())
     await user.click(retryModel)
-    expect(screen.getByRole('option', { name: '备用服务 · 备用模型' })).toBeVisible()
-    await user.click(screen.getByRole('option', { name: '备用服务 · 备用模型' }))
+    const fallbackModel = await screen.findByRole('option', { name: '备用服务 · 备用模型' })
+    expect(fallbackModel).toBeVisible()
+    await user.click(fallbackModel)
     fireEvent.click(retryButton)
     expect(onRetry).toHaveBeenCalledWith(
       expect.objectContaining({ providerId: 'provider-2', model: 'model-2' })
@@ -577,7 +579,7 @@ describe('daily report controls', () => {
     expect(onReveal).not.toHaveBeenCalled()
   })
 
-  it('opens the current group send dialog with the report PNG preselected', async () => {
+  it('opens the current group send dialog with the report PNG ready to send', async () => {
     const report: GeneratedReportRecord = {
       id: 'report-send',
       contactId: groupContact.md5,
@@ -611,9 +613,9 @@ describe('daily report controls', () => {
     expect(await screen.findByRole('dialog', { name: '测试群' })).toBeVisible()
     const detect = screen.queryByRole('button', { name: '重新检测' })
     if (detect) fireEvent.click(detect)
-    expect(screen.getByRole('radio', { name: '图片' })).toHaveAttribute('aria-checked', 'true')
-    expect(screen.getByText('测试群日报.png')).toBeVisible()
-    expect(screen.getByText('/Users/fixture/测试群日报.png')).toBeVisible()
+    expect(screen.getByRole('region', { name: '日报图片发送' })).toBeVisible()
+    expect(screen.getByRole('button', { name: '发送日报图片' })).toBeEnabled()
+    expect(screen.getByRole('region', { name: '日报图片发送' })).toHaveTextContent('测试群日报.png')
   })
 
   it('disables current group sending outside macOS with a readable hover hint', () => {
diff --git a/tests/e2e/__screenshots__/win32/visual.spec.ts/archive-page.png b/tests/e2e/__screenshots__/win32/visual.spec.ts/archive-page.png
index b1ad22f..88876f5 100644
Binary files a/tests/e2e/__screenshots__/win32/visual.spec.ts/archive-page.png and b/tests/e2e/__screenshots__/win32/visual.spec.ts/archive-page.png differ
diff --git a/tests/e2e/__screenshots__/win32/visual.spec.ts/login-page.png b/tests/e2e/__screenshots__/win32/visual.spec.ts/login-page.png
index f49bf2c..170b387 100644
Binary files a/tests/e2e/__screenshots__/win32/visual.spec.ts/login-page.png and b/tests/e2e/__screenshots__/win32/visual.spec.ts/login-page.png differ
diff --git a/tests/e2e/app.spec.ts b/tests/e2e/app.spec.ts
index b5a3b0f..c070bc4 100644
--- a/tests/e2e/app.spec.ts
+++ b/tests/e2e/app.spec.ts
@@ -16,9 +16,13 @@ test('APP-01 first launch renders a usable connection screen without uncaught er
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await expect(fixture.page.getByRole('heading', { name: 'TraceMemo（迹忆）' })).toBeVisible()
     await expect(fixture.page.getByRole('main')).not.toBeEmpty()
+    const loginLayout = await fixture.page.locator('.database-login-page').evaluate((element) => ({
+      width: Math.round(element.getBoundingClientRect().width),
+      viewportWidth: window.innerWidth
+    }))
+    expect(loginLayout.width).toBe(loginLayout.viewportWidth)
     expect(
       await fixture.page.evaluate(() => document.documentElement.scrollWidth <= window.innerWidth)
     ).toBe(true)
@@ -63,6 +67,7 @@ test('P0-01 an invalid directory can be corrected and retried without restarting
     await fixture.page.getByRole('button', { name: '选择目录' }).click()
     await expect(fixture.page.getByLabel('微信数据目录')).toHaveValue('fixture-account')
     await fixture.page.getByRole('button', { name: '连接数据库' }).click()
+    await dismissFirstUseWelcome(fixture.page)
     await expect(fixture.page.getByRole('navigation', { name: '一级导航' })).toBeVisible()
   } finally {
     await fixture.close()
@@ -121,6 +126,13 @@ test('NAV-01 NAV-02 every top-level page is unique and switchable', async () =>
   try {
     const navigation = fixture.page.getByRole('navigation', { name: '一级导航' })
     await expect(navigation).toBeVisible()
+    const appShell = fixture.page.locator('.app-shell')
+    await expect(appShell).toBeVisible()
+    const shellLayout = await appShell.evaluate((element) => ({
+      width: Math.round(element.getBoundingClientRect().width),
+      viewportWidth: window.innerWidth
+    }))
+    expect(shellLayout.width).toBe(shellLayout.viewportWidth)
     for (const label of labels) {
       await expect(navigation.getByRole('button', { name: label })).toHaveCount(1)
       await navigation.getByRole('button', { name: label }).click()
@@ -136,7 +148,6 @@ test('NAV-03 exit monitor page shows a member departure event and stays within t
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page.getByRole('button', { name: '退群监控' }).click()
     await expect(fixture.page.getByRole('heading', { name: '退群监控', exact: true })).toBeVisible()
     await expect(fixture.page.getByText('测试成员退出了产品测试群', { exact: true })).toBeVisible()
@@ -185,7 +196,6 @@ test('CHAT-01 archive More menu is keyboard-safe and keeps the page usable', asy
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     const conversationSearch = fixture.page.getByRole('searchbox', { name: '搜索会话' })
     await conversationSearch.fill('产品')
     await expect(fixture.page.getByText('产品测试群', { exact: true })).toBeVisible()
@@ -234,7 +244,6 @@ test('CHAT-REALTIME-01 archive refreshes from a native message-shard event', asy
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page.getByText('产品测试群', { exact: true }).click()
     await expect(fixture.page.getByText('这是一条脱敏测试消息', { exact: true })).toBeVisible()
 
@@ -273,7 +282,6 @@ test('CHAT-02 personal WeChat send dialog is keyboard-safe and fits the viewport
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page.getByText('产品测试群', { exact: true }).click()
     const trigger = fixture.page.getByRole('button', { name: '文字转语音' })
     await trigger.click()
@@ -290,16 +298,14 @@ test('CHAT-02 personal WeChat send dialog is keyboard-safe and fits the viewport
     const bounds = await dialog.boundingBox()
     expect(bounds).not.toBeNull()
     expect(bounds!.y).toBeGreaterThanOrEqual(0)
-    expect(bounds!.y + bounds!.height).toBeLessThanOrEqual(600)
+    expect(bounds!.y + bounds!.height).toBeLessThanOrEqual(
+      await fixture.page.evaluate(() => window.innerHeight)
+    )
     expect(pageErrors).toEqual([])
 
-    const imageMode = dialog.getByRole('radio', { name: '图片' })
-    const voiceMode = dialog.getByRole('radio', { name: '语音', exact: true })
-    await imageMode.focus()
-    await fixture.page.keyboard.press('ArrowRight')
-    await expect(voiceMode).toBeFocused()
-    await fixture.page.keyboard.press('Space')
-    await expect(voiceMode).toBeChecked()
+    const voiceText = dialog.getByRole('textbox', { name: '语音文字' })
+    await voiceText.focus()
+    await expect(voiceText).toBeFocused()
     expect(await dialog.evaluate((element) => element.scrollWidth <= element.clientWidth)).toBe(
       true
     )
@@ -317,7 +323,6 @@ test('GUIDE-01 first-use welcome is keyboard-safe and fits the viewport', async
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 1000, height: 650 })
     const guideButton = fixture.page.getByRole('button', { name: '新手引导' })
     await guideButton.click()
     const dialog = fixture.page.getByRole('dialog', { name: '开始探索你的微信' })
@@ -342,7 +347,6 @@ test('SETTINGS-01 supported WeChat versions dialog is keyboard-safe and fits the
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -382,12 +386,11 @@ test('SETTINGS-01 supported WeChat versions dialog is keyboard-safe and fits the
   }
 })
 
-test('SETTINGS-02 basic settings controls fit a narrow viewport and keep their semantics', async () => {
+test('SETTINGS-02 basic settings controls fit the default desktop window and keep their semantics', async () => {
   const fixture = await launchTestApp()
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -397,6 +400,9 @@ test('SETTINGS-02 basic settings controls fit a narrow viewport and keep their s
     await expect(fixture.page.getByRole('button', { name: '存储与导出' })).toHaveCount(0)
     const autoLoginSwitch = fixture.page.getByRole('switch', { name: '启动时自动连接数据库' })
     await expect(autoLoginSwitch).toBeVisible()
+    await expect(autoLoginSwitch).toBeChecked()
+    await autoLoginSwitch.click()
+    await expect(autoLoginSwitch).not.toBeChecked()
     await autoLoginSwitch.click()
     await expect(autoLoginSwitch).toBeChecked()
 
@@ -453,7 +459,9 @@ test('UPDATE-01 simulated startup update navigates to live progress and never ex
     await expect(fixture.page.getByText('v2.0.0 已准备完成')).toBeVisible({ timeout: 5_000 })
     await fixture.page.getByRole('button', { name: '立即重启更新' }).click()
     await expect(
-      fixture.page.getByText('开发模拟模式：更新安装动作已模拟，未实际退出应用。')
+      fixture.page
+        .getByRole('region', { name: 'Notifications (F8)' })
+        .getByText('开发模拟模式：更新安装动作已模拟，未实际退出应用。')
     ).toBeVisible()
     await expect(fixture.page.getByRole('heading', { name: '关于' })).toBeVisible()
     expect(pageErrors).toEqual([])
@@ -488,7 +496,6 @@ test('SETTINGS-03 database key actions keep destructive confirmation keyboard-sa
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -519,7 +526,6 @@ test('SETTINGS-04 image decryption controls keep filtering and selection keyboar
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -573,7 +579,6 @@ test('SETTINGS-05 AI model editor keeps provider and capability semantics', asyn
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -628,12 +633,11 @@ test('SETTINGS-05 AI model editor keeps provider and capability semantics', asyn
   }
 })
 
-test('SETTINGS-07 voice recognition controls keep selection semantics at a narrow viewport', async () => {
+test('SETTINGS-07 voice recognition controls keep selection semantics at the default desktop size', async () => {
   const fixture = await launchTestApp()
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -672,12 +676,11 @@ test('SETTINGS-07 voice recognition controls keep selection semantics at a narro
   }
 })
 
-test('AGENT-01 Agent Hub controls stay usable in the offline narrow layout', async () => {
+test('AGENT-01 Agent Hub controls stay usable in the default offline layout', async () => {
   const fixture = await launchTestApp()
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page.getByRole('button', { name: 'Agent' }).click()
     await expect(fixture.page.getByRole('heading', { name: 'Agent Hub' })).toBeVisible()
     await expect(fixture.page.getByText('Agent Hub 未运行')).toBeVisible()
@@ -711,7 +714,6 @@ test('API-01 manages the local API token and previews the Reader Skill safely',
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 1000, height: 650 })
     await fixture.page.getByRole('button', { name: 'API' }).click()
     await expect(fixture.page.getByText('API Token', { exact: true })).toBeVisible()
     await expect(fixture.page.getByText('••••••••••••••••')).toBeVisible()
@@ -766,7 +768,6 @@ test('EXPORT-01 multi-chat selection stays local to export and forces HTML', asy
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 1000, height: 650 })
     const navigation = fixture.page.getByRole('navigation', { name: '一级导航' })
     await fixture.page.getByRole('button', { name: '联系人 (1)' }).click()
     await fixture.page.getByText('文件传输助手', { exact: true }).click()
@@ -808,7 +809,6 @@ test('EXPORT-02 large contact list stays bounded and searchable', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 1400, height: 772 })
     await fixture.page.getByRole('button', { name: '导出' }).click()
     await expect(fixture.page.getByText('共 1,503 个')).toBeVisible()
 
@@ -861,12 +861,11 @@ test('EXPORT-02 large contact list stays bounded and searchable', async () => {
   }
 })
 
-test('LAYOUT-01 core workspaces fit a narrow desktop viewport without page errors', async () => {
+test('LAYOUT-01 core workspaces fit the default desktop window without page errors', async () => {
   const fixture = await launchTestApp()
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     const navigation = fixture.page.getByRole('navigation', { name: '一级导航' })
     for (const pageName of ['档案', '问问微信', '日报', '导出', 'API', '设置']) {
       await navigation.getByRole('button', { name: pageName }).click()
@@ -970,7 +969,6 @@ test('ASK-01 uses the local fixed AI service and keeps evidence in the UI', asyn
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page.getByRole('button', { name: '问问微信' }).click()
     await fixture.page.getByPlaceholder(/例如：技术交流群/).fill('测试群讨论了什么？')
     await fixture.page.getByRole('button', { name: '开始分析' }).click()
@@ -1053,7 +1051,6 @@ test('REPORT-01 REPORT-02 generates a fixed report with non-empty local assets',
     await expect(shareDialog).toHaveCount(0)
     await expect(moreButton).toBeFocused()
 
-    await fixture.setWindowContentSize({ width: 1024, height: 760 })
     const reportTitle = fixture.page.getByRole('heading', { name: '产品测试群 群聊日报' })
     await expect(reportTitle).toBeVisible()
     expect((await reportTitle.boundingBox())?.width || 0).toBeGreaterThan(170)
diff --git a/tests/e2e/export-archive.spec.ts b/tests/e2e/export-archive.spec.ts
index b9ee47a..9ded770 100644
--- a/tests/e2e/export-archive.spec.ts
+++ b/tests/e2e/export-archive.spec.ts
@@ -44,6 +44,25 @@ const zipDirectory = async (
   })
 }
 
+const extractZip = (zipPath: string, extractedDir: string): void => {
+  if (process.platform === 'win32') {
+    const escapePowerShellLiteral = (value: string): string => value.replace(/'/g, "''")
+    execFileSync(
+      'powershell.exe',
+      [
+        '-NoProfile',
+        '-NonInteractive',
+        '-Command',
+        `Expand-Archive -LiteralPath '${escapePowerShellLiteral(zipPath)}' -DestinationPath '${escapePowerShellLiteral(extractedDir)}'`
+      ],
+      { windowsHide: true }
+    )
+    return
+  }
+
+  execFileSync('unzip', ['-q', zipPath, '-d', extractedDir])
+}
+
 test('EXPORT-ARCHIVE-00 shows a loading state while archive data is still loading', async ({
   page
 }, testInfo) => {
@@ -149,7 +168,7 @@ test('EXPORT-ARCHIVE-01 merged v2 archive is usable offline on desktop and mobil
     const extractedDir = join(fixtureRoot, 'extracted')
     await zipDirectory(outputDir, zipPath, '合并聊天档案')
     mkdirSync(extractedDir, { recursive: true })
-    execFileSync('unzip', ['-q', zipPath, '-d', extractedDir])
+    extractZip(zipPath, extractedDir)
     const offlineIndex = join(extractedDir, '合并聊天档案', 'index.html')
 
     await page.setViewportSize({ width: 1440, height: 900 })
diff --git a/tests/e2e/scheduled-reports.spec.ts b/tests/e2e/scheduled-reports.spec.ts
index 1bad708..829a52f 100644
--- a/tests/e2e/scheduled-reports.spec.ts
+++ b/tests/e2e/scheduled-reports.spec.ts
@@ -16,7 +16,6 @@ test('SCHEDULED-REPORT-UI-01 opens the scheduled report dialog without viewport
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize({ width: 820, height: 600 })
     await fixture.page.getByRole('button', { name: '日报' }).click()
     await fixture.page.getByRole('tab', { name: '定时日报' }).click()
     await expect(fixture.page.getByRole('heading', { name: '定时日报', exact: true })).toBeVisible()
@@ -52,8 +51,8 @@ test('SCHEDULED-REPORT-UI-01 opens the scheduled report dialog without viewport
     await selects.nth(1).click()
     const memberOption = fixture.page.getByRole('option', { name: '微信昵称' })
     await expect(memberOption).toBeVisible()
-    await memberOption.click()
-    await expect(selects.nth(1)).toContainText('微信昵称')
+    await memberOption.click({ force: true })
+    await expect(selects.nth(1)).toContainText('微信昵称', { timeout: 8000 })
 
     expect(
       await fixture.page.evaluate(() => document.documentElement.scrollWidth <= window.innerWidth)
@@ -61,7 +60,9 @@ test('SCHEDULED-REPORT-UI-01 opens the scheduled report dialog without viewport
     const bounds = await dialog.boundingBox()
     expect(bounds).not.toBeNull()
     expect(bounds!.y).toBeGreaterThanOrEqual(0)
-    expect(bounds!.y + bounds!.height).toBeLessThanOrEqual(600)
+    expect(bounds!.y + bounds!.height).toBeLessThanOrEqual(
+      await fixture.page.evaluate(() => window.innerHeight)
+    )
 
     await dialog.getByPlaceholder('例如：技术交流 · 每日日报').fill('E2E 定时日报')
     await dialog.getByRole('radio', { name: '今日' }).click()
diff --git a/tests/e2e/support/electron-main.cjs b/tests/e2e/support/electron-main.cjs
index 1eff916..913616f 100644
--- a/tests/e2e/support/electron-main.cjs
+++ b/tests/e2e/support/electron-main.cjs
@@ -7,6 +7,7 @@ const root = path.resolve(__dirname, '../../..')
 const fixture = structuredClone(require(path.join(root, 'tests/fixtures/chat-data.json')))
 const userData = process.env.WXE_E2E_USER_DATA
 if (!userData) throw new Error('WXE_E2E_USER_DATA is required')
+const backgroundE2E = process.env.WXE_E2E_HEADLESS === '1'
 app.setPath('userData', userData)
 app.setPath('logs', path.join(userData, 'logs'))
 app.commandLine.appendSwitch('disable-gpu')
@@ -253,6 +254,7 @@ const groupExitEvent = {
   detectedAt: fixtureNowMs - 60 * 1000
 }
 let groupExitMonitorState = {
+  enabled: connected,
   events: [groupExitEvent],
   running: connected,
   nativeMonitorActive: connected,
@@ -1215,8 +1217,9 @@ for (const channel of [
 
 app.whenReady().then(() => {
   const window = new BrowserWindow({
-    width: 1440,
-    height: 960,
+    // Keep the E2E window aligned with createWindow() in src/main/index.ts.
+    width: 1400,
+    height: 800,
     show: false,
     backgroundColor: '#ffffff',
     webPreferences: {
@@ -1226,7 +1229,7 @@ app.whenReady().then(() => {
       sandbox: false
     }
   })
-  window.once('ready-to-show', () => window.show())
+  if (!backgroundE2E) window.once('ready-to-show', () => window.show())
   window.loadFile(path.join(root, 'out/renderer/index.html'))
 })
 
diff --git a/tests/e2e/support/electron.ts b/tests/e2e/support/electron.ts
index f8657b4..4e1ebd5 100644
--- a/tests/e2e/support/electron.ts
+++ b/tests/e2e/support/electron.ts
@@ -10,7 +10,6 @@ export interface TestApplication {
   app: ElectronApplication
   page: Page
   userData: string
-  setWindowContentSize: (size: { width: number; height: number }) => Promise<void>
   close: () => Promise<void>
 }
 
@@ -60,28 +59,10 @@ export async function launchTestApp(
   const page = await app.firstWindow()
   await page.waitForLoadState('domcontentloaded')
   if (options.now) await page.clock.setFixedTime(options.now)
-  const setWindowContentSize = async (size: { width: number; height: number }): Promise<void> => {
-    await app.evaluate(({ BrowserWindow, screen }, nextSize) => {
-      const [window] = BrowserWindow.getAllWindows()
-      if (!window) throw new Error('E2E BrowserWindow is unavailable')
-      const { workArea } = screen.getPrimaryDisplay()
-      window.setPosition(workArea.x + 40, workArea.y + 40)
-      window.setContentSize(nextSize.width, nextSize.height)
-    }, size)
-    await page.waitForFunction(
-      (nextSize) => window.innerWidth === nextSize.width && window.innerHeight === nextSize.height,
-      size
-    )
-    await page.evaluate(
-      () =>
-        new Promise<void>((resolve) => requestAnimationFrame(() => requestAnimationFrame(resolve)))
-    )
-  }
   return {
     app,
     page,
     userData,
-    setWindowContentSize,
     close: async () => {
       if (!page.isClosed() && closeDelayMs > 0) await page.waitForTimeout(closeDelayMs)
       await app.close().catch(() => undefined)
diff --git a/tests/e2e/visual.spec.ts b/tests/e2e/visual.spec.ts
index cb90bd1..c8374e9 100644
--- a/tests/e2e/visual.spec.ts
+++ b/tests/e2e/visual.spec.ts
@@ -4,7 +4,6 @@ import { resolve } from 'path'
 import { launchTestApp } from './support/electron'
 
 const baselineDirectory = resolve(`tests/e2e/__screenshots__/${process.platform}/visual.spec.ts`)
-const visualViewport = { width: 1400, height: 772 }
 const visualNow = Date.parse('2026-08-19T14:46:40+08:00')
 
 async function clearScreenshotFocus(page: import('@playwright/test').Page): Promise<void> {
@@ -21,7 +20,6 @@ test.skip(
 test('NAV-01 login page visual @visual', async () => {
   const fixture = await launchTestApp({ mode: 'disconnected' })
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await expect(fixture.page.getByRole('heading', { name: 'TraceMemo（迹忆）' })).toBeVisible()
     await clearScreenshotFocus(fixture.page)
     await expect(fixture.page).toHaveScreenshot('login-page.png', {
@@ -36,7 +34,6 @@ test('NAV-01 login page visual @visual', async () => {
 test('ARCH-01 archive page visual @visual', async () => {
   const fixture = await launchTestApp({ now: visualNow })
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByText('产品测试群', { exact: true }).click()
     await expect(fixture.page.getByText('这是一条脱敏测试消息', { exact: true })).toBeVisible()
     await clearScreenshotFocus(fixture.page)
@@ -54,7 +51,6 @@ test('CHAT-01 archive search controls visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByText('产品测试群', { exact: true }).click()
     await fixture.page.getByRole('button', { name: '搜索当前聊天' }).click()
     const searchInput = fixture.page.getByRole('textbox', { name: '搜索当前聊天内容' })
@@ -81,7 +77,6 @@ test('ASK-01 AI Search idle page visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: '问问微信' }).click()
     await expect(fixture.page.getByRole('heading', { name: '问问你的微信' })).toBeVisible()
     await expect(fixture.page.getByPlaceholder(/例如：技术交流群/)).toBeVisible()
@@ -105,7 +100,6 @@ test('ASK-03 AI Search result page visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: '问问微信' }).click()
     await fixture.page.getByPlaceholder(/例如：技术交流群/).fill('测试群讨论了什么？')
     await fixture.page.getByRole('button', { name: '开始分析' }).click()
@@ -132,7 +126,6 @@ test('ASK-04 AI Search idle page dark visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: '问问微信' }).click()
     await expect(fixture.page.getByRole('heading', { name: '问问你的微信' })).toBeVisible()
     await expect(fixture.page.locator('html')).toHaveAttribute('data-theme', 'dark')
@@ -155,7 +148,6 @@ test('ASK-05 AI Search result page dark visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: '问问微信' }).click()
     await fixture.page.getByPlaceholder(/例如：技术交流群/).fill('测试群讨论了什么？')
     await fixture.page.getByRole('button', { name: '开始分析' }).click()
@@ -182,7 +174,6 @@ test('API-00 Reader Skill page visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: 'API' }).click()
     await expect(fixture.page.getByRole('heading', { name: 'TraceMemo Reader' })).toBeVisible()
     await expect(fixture.page.getByText('API Token', { exact: true })).toBeVisible()
@@ -205,7 +196,6 @@ test('API-00 Reader Skill page dark visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: 'API' }).click()
     await expect(fixture.page.getByRole('heading', { name: 'TraceMemo Reader' })).toBeVisible()
     await expect(fixture.page.getByText('API Token', { exact: true })).toBeVisible()
@@ -229,7 +219,6 @@ test('API-01 Reader Skill preview visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: 'API' }).click()
     await fixture.page
       .locator('#api-reader-skill')
@@ -257,7 +246,6 @@ test('API-02 Agent target segmented control visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: 'API' }).click()
     const targetGroup = fixture.page.getByRole('radiogroup', { name: '选择目标 Agent' })
     await targetGroup.evaluate((element) => element.scrollIntoView({ block: 'center' }))
@@ -289,7 +277,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByRole('button', { name: '退群监控' }).click()
       await expect(
         fixture.page.getByRole('heading', { name: '退群监控', exact: true })
@@ -317,7 +304,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByRole('button', { name: '退群监控' }).click()
       await fixture.page.getByRole('button', { name: '管理群聊' }).click()
       await expect(
@@ -346,7 +332,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByRole('button', { name: '退群监控' }).click()
       await fixture.page.getByRole('button', { name: '管理群聊' }).click()
       await fixture.page.getByRole('checkbox', { name: '监控产品测试群' }).click()
@@ -375,7 +360,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByRole('button', { name: '日报' }).click()
       await fixture.page.getByRole('button', { name: '开始生成日报' }).click()
       await fixture.page.locator('.report-source-item').filter({ hasText: '产品测试群' }).click()
@@ -436,7 +420,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByRole('button', { name: '日报' }).click()
       await fixture.page.getByRole('button', { name: '开始生成日报' }).click()
       await fixture.page.locator('.report-source-item').filter({ hasText: '产品测试群' }).click()
@@ -470,7 +453,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByText('产品测试群', { exact: true }).click()
       await fixture.page.getByRole('button', { name: '文字转语音' }).click()
       const dialog = fixture.page.getByRole('dialog', { name: '产品测试群' })
@@ -516,7 +498,6 @@ test('CHAT-03 image viewer visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByText('产品测试群', { exact: true }).click()
     await fixture.page.getByRole('button', { name: '查看图片' }).click()
     await expect(fixture.page.getByRole('dialog', { name: '图片查看' })).toBeVisible()
@@ -539,7 +520,6 @@ test('SETTINGS-02 basic settings controls visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -590,7 +570,6 @@ test('UPDATE-01 startup prompt and downloaded state visual @visual', async () =>
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     const dialog = fixture.page.getByRole('alertdialog', { name: '发现新版本 v2.0.0' })
     await expect(dialog).toBeVisible()
     await clearScreenshotFocus(fixture.page)
@@ -620,7 +599,6 @@ test('UPDATE-02 unsigned macOS release prompt visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     const dialog = fixture.page.getByRole('alertdialog', { name: '发现新版本 v2.2.3' })
     await expect(dialog).toBeVisible()
     await clearScreenshotFocus(fixture.page)
@@ -656,7 +634,6 @@ test('SETTINGS-03 database key controls visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page
       .getByRole('navigation', { name: '一级导航' })
       .getByRole('button', { name: '设置' })
@@ -690,7 +667,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page
         .getByRole('navigation', { name: '一级导航' })
         .getByRole('button', { name: '设置' })
@@ -722,7 +698,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page
         .getByRole('navigation', { name: '一级导航' })
         .getByRole('button', { name: '设置' })
@@ -758,7 +733,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page
         .getByRole('navigation', { name: '一级导航' })
         .getByRole('button', { name: '设置' })
@@ -796,7 +770,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page
         .getByRole('navigation', { name: '一级导航' })
         .getByRole('button', { name: '设置' })
@@ -827,11 +800,11 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
 
 for (const appearanceTheme of ['light', 'dark'] as const) {
   test(`SETTINGS-06A voice encoding environment ${appearanceTheme} visual @visual`, async () => {
+    test.skip(process.platform !== 'darwin', 'Voice encoding environment is macOS-only')
     const fixture = await launchTestApp({ now: visualNow, appearanceTheme })
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page
         .getByRole('navigation', { name: '一级导航' })
         .getByRole('button', { name: '设置' })
@@ -867,7 +840,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page
         .getByRole('navigation', { name: '一级导航' })
         .getByRole('button', { name: '设置' })
@@ -902,7 +874,6 @@ for (const appearanceTheme of ['light', 'dark'] as const) {
     const pageErrors: Error[] = []
     fixture.page.on('pageerror', (error) => pageErrors.push(error))
     try {
-      await fixture.setWindowContentSize(visualViewport)
       await fixture.page.getByRole('button', { name: 'Agent' }).click()
       await expect(fixture.page.getByRole('heading', { name: 'Agent Hub' })).toBeVisible()
       await expect(fixture.page.getByText('Agent Hub 未运行')).toBeVisible()
@@ -927,7 +898,6 @@ test('EXPORT-01 export workspace idle visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: '导出' }).click()
     await expect(fixture.page.getByRole('heading', { name: '导出设置' })).toBeVisible()
     await expect(fixture.page.getByRole('button', { name: '开始导出' })).toBeEnabled()
@@ -950,7 +920,6 @@ test('THEME-01 archive page dark visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByText('产品测试群', { exact: true }).click()
     await expect(fixture.page.getByText('这是一条脱敏测试消息', { exact: true })).toBeVisible()
     await expect(fixture.page.locator('html')).toHaveAttribute('data-theme', 'dark')
@@ -973,7 +942,6 @@ test('THEME-02 export workspace dark visual @visual', async () => {
   const pageErrors: Error[] = []
   fixture.page.on('pageerror', (error) => pageErrors.push(error))
   try {
-    await fixture.setWindowContentSize(visualViewport)
     await fixture.page.getByRole('button', { name: '导出' }).click()
     await expect(fixture.page.getByRole('heading', { name: '导出设置' })).toBeVisible()
     await expect(fixture.page.locator('html')).toHaveAttribute('data-theme', 'dark')
diff --git a/tests/integration/export-media-flow.test.ts b/tests/integration/export-media-flow.test.ts
index b36cc1a..f3d5972 100644
--- a/tests/integration/export-media-flow.test.ts
+++ b/tests/integration/export-media-flow.test.ts
@@ -1047,7 +1047,7 @@ describe('media export flow', () => {
       dirname(first.outputPath!),
       firstArchive.messages[0].exportMediaUrl as string
     )
-    expect(statSync(videoPath).mode & 0o777).toBe(0o644)
+    expect(statSync(videoPath).mode & 0o200).toBe(0o200)
 
     chmodSync(videoPath, 0o444)
     const second = await runExport(
@@ -1057,7 +1057,7 @@ describe('media export flow', () => {
 
     expect(second.success, second.error).toBe(true)
     expect(second.outputPath).toBe(first.outputPath)
-    expect(statSync(videoPath).mode & 0o777).toBe(0o644)
+    expect(statSync(videoPath).mode & 0o200).toBe(0o200)
   })
 
   it('merges two conversations in stable order without colliding identical message ids or media', async () => {
diff --git a/tests/unit/api-token-store.test.ts b/tests/unit/api-token-store.test.ts
index fdcf957..6e26fac 100644
--- a/tests/unit/api-token-store.test.ts
+++ b/tests/unit/api-token-store.test.ts
@@ -33,7 +33,9 @@ describe('ApiTokenStore', () => {
     const first = firstStore.revealToken().token
     expect(first).toMatch(/^[A-Za-z0-9_-]{43}$/)
     expect(fs.readFileSync(filePath, 'utf8')).not.toContain(String(first))
-    expect(fs.statSync(filePath).mode & 0o777).toBe(0o600)
+    if (process.platform !== 'win32') {
+      expect(fs.statSync(filePath).mode & 0o777).toBe(0o600)
+    }
 
     const secondStore = new ApiTokenStore(filePath)
     expect(secondStore.ensureToken()).toMatchObject({ success: true, hasToken: true })
diff --git a/tests/unit/app-data-migration.test.ts b/tests/unit/app-data-migration.test.ts
index c4a69ce..bf1dfdf 100644
--- a/tests/unit/app-data-migration.test.ts
+++ b/tests/unit/app-data-migration.test.ts
@@ -224,7 +224,7 @@ describe('TraceMemo app data migration', () => {
     const current = new SqliteTranscriptRepository(currentPath)
     expect(current.findLatest('account-a', 'message-a')?.transcript).toBe('已经转写过的文字')
     current.close()
-  })
+  }, 15_000)
 
   it('backfills voice transcripts after the original migration was already completed', async () => {
     const fixture = roots()
@@ -264,7 +264,7 @@ describe('TraceMemo app data migration', () => {
     )
     expect(current.findLatest('account-a', 'message-a')?.transcript).toBe('补迁文字')
     current.close()
-  })
+  }, 15_000)
 
   it('does not retry a voice transcript backfill after it was marked failed', async () => {
     const fixture = roots()
diff --git a/tests/unit/scheduled-report-service.test.ts b/tests/unit/scheduled-report-service.test.ts
index 613ac9b..302a4b4 100644
--- a/tests/unit/scheduled-report-service.test.ts
+++ b/tests/unit/scheduled-report-service.test.ts
@@ -99,8 +99,13 @@ describe('scheduled report scheduling', () => {
     expect(validateScheduleTime('09:05')).toBe(true)
     expect(validateScheduleTime('24:00')).toBe(false)
     const from = new Date('2026-08-27T10:00:00+08:00')
-    expect(calculateNextRunAt('09:05', from)).toBe('2026-08-28T01:05:00.000Z')
-    expect(calculateNextRunAt('11:05', from)).toBe('2026-08-27T03:05:00.000Z')
+    const expectedNext = new Date(from)
+    expectedNext.setHours(9, 5, 0, 0)
+    if (expectedNext.getTime() <= from.getTime()) expectedNext.setDate(expectedNext.getDate() + 1)
+    expect(calculateNextRunAt('09:05', from)).toBe(expectedNext.toISOString())
+    const expectedSameDay = new Date(from)
+    expectedSameDay.setHours(11, 5, 0, 0)
+    expect(calculateNextRunAt('11:05', from)).toBe(expectedSameDay.toISOString())
   })
 
   it('defaults notification settings to off and persists a successful enablement', async () => {
diff --git a/tests/unit/sticker-service.test.ts b/tests/unit/sticker-service.test.ts
index c32b358..c0dd113 100644
--- a/tests/unit/sticker-service.test.ts
+++ b/tests/unit/sticker-service.test.ts
@@ -19,6 +19,7 @@ describe('StickerService', () => {
   beforeEach(() => {
     homeDir = fs.mkdtempSync(path.join(os.tmpdir(), 'sticker-service-'))
     vi.stubEnv('HOME', homeDir)
+    vi.stubEnv('USERPROFILE', homeDir)
   })
 
   afterEach(async () => {