Merge branch 'master' into agent/web-file-reference-prompt

2026-08-12 23:19:35 +08:00
parent 1ca6f68b17 c4e24071d6
commit e5e0b47cf2
118 changed files with 2483 additions and 332 deletions
--- a/apps/web/tests/chat-scroll-contract.e2e.ts
+++ b/apps/web/tests/chat-scroll-contract.e2e.ts
@@ -250,13 +250,16 @@ function scrollGeometry(page: Page): Promise<ScrollGeometry> {
  }))
 }

-async function conversationTurns(page: Page): Promise<number> {
-  const stats = page.getByText(/\d+ turns · \d+ steps/, { exact: true }).last()
-  await stats.waitFor({ timeout: 15_000 })
-  const value = await stats.textContent()
-  const match = value?.match(/^(\d+) turns · \d+ steps$/)
-  if (match?.[1] === undefined) throw new Error(`unexpected conversation stats ${JSON.stringify(value)}`)
-  return Number(match[1])
+/**
+ * Rendered transcript rows in the loaded window. The stats strip cannot serve
+ * as this probe: its turn/step counts ride the whole-log sessionStats
+ * projection and stay fixed across paging by design, while the row count is
+ * exactly what grows when an older page prepends or a live turn streams in.
+ * @param page - the scenario page.
+ * @returns the number of mounted chat flow rows.
+ */
+async function loadedFlowRows(page: Page): Promise<number> {
+  return page.locator('[data-chat-flow-key]').count()
 }

 async function openSeed(page: Page, fixture: ChatScrollFixture, tailMarker?: string): Promise<void> {
@@ -425,9 +428,9 @@ async function loadEarlierWithAnchor(page: Page): Promise<void> {
  const older = page.getByRole('button', { name: 'Load earlier', exact: true })
  await older.waitFor({ timeout: 10_000 })
  const anchor = await visibleFlowAnchor(page)
-  const before = await conversationTurns(page)
+  const before = await loadedFlowRows(page)
  await older.click()
-  await expect.poll(() => conversationTurns(page), { timeout: 30_000 }).toBeGreaterThan(before)
+  await expect.poll(() => loadedFlowRows(page), { timeout: 30_000 }).toBeGreaterThan(before)
  await nextPaint(page)
  await expectSameFlowTop(page, anchor)
 }
@@ -498,7 +501,7 @@ describe('web e2e: long Chat scroll contract', () => {
        await world.page.getByRole('button', { name: 'Send message', exact: true }).click()
        await world.page.getByText(LIVE_TEXT_FIRST, { exact: false }).last().waitFor({ timeout: 15_000 })
        await wheelToHistoryStart(world.page)
-        const beforeTurns = await conversationTurns(world.page)
+        const beforeRows = await loadedFlowRows(world.page)
        await world.page.getByRole('button', { name: 'Load earlier', exact: true }).click()
        await expect.poll(() => held, { timeout: 10_000 }).toBe(true)

@@ -511,7 +514,7 @@ describe('web e2e: long Chat scroll contract', () => {
        ).toBeGreaterThan(chunksAfterAnchor + 5)

        releaseHistory()
-        await expect.poll(() => conversationTurns(world.page), { timeout: 30_000 }).toBeGreaterThan(beforeTurns)
+        await expect.poll(() => loadedFlowRows(world.page), { timeout: 30_000 }).toBeGreaterThan(beforeRows)
        await nextPaint(world.page)
        await expectSameFlowTop(world.page, readerAnchor)
      } finally {
@@ -531,7 +534,11 @@ describe('web e2e: long Chat scroll contract', () => {
        additionalPages += 1
      }
      expect(additionalPages).toBeGreaterThan(0)
-      expect(await conversationTurns(world.page)).toBe(HISTORY_FIXTURE.turns + 1)
+      // The whole log is loaded: turn 1's unique marker renders in the
+      // transcript (scoped: the sidebar search row also carries it) and no
+      // page remains.
+      expect(await world.page.locator('[data-conversation-scroll]')
+        .getByText(HISTORY_FIXTURE.markers.user(1), { exact: false }).count()).toBe(1)
      expect(await world.page.getByRole('button', { name: 'Load earlier', exact: true }).count()).toBe(0)
      assertClean(world)
    })
--- a/apps/web/tests/complex-history.perf.ts
+++ b/apps/web/tests/complex-history.perf.ts
@@ -797,12 +797,11 @@ async function stableCount(
 }

 async function conversationTurns(page: Page): Promise<number> {
-  const stats = page.getByText(/\d+ turns · \d+ steps/, { exact: true }).last()
-  await stats.waitFor({ timeout: 15_000 })
-  const value = await stats.textContent()
-  const match = value?.match(/^(\d+) turns · \d+ steps$/)
-  if (match?.[1] === undefined) throw new Error(`unexpected conversation stats ${JSON.stringify(value)}`)
-  return Number(match[1])
+  // Loaded-window turn count: one mounted turn-tail footer per settled turn in
+  // the window (context keys are `${kind.length}:${kind}${id}`). The stats
+  // strip cannot serve as this probe: its counts ride the whole-log
+  // sessionStats projection and stay fixed across paging by design.
+  return stableCount(page.locator('[data-chat-flow-key^="9:turn-tail"]'), count => count > 0)
 }

 function retainedDelta(
--- a/apps/web/tests/math-rendering.e2e.ts
+++ b/apps/web/tests/math-rendering.e2e.ts
@@ -120,7 +120,7 @@ describe('web e2e: settled Markdown math rendering', () => {
    await expect.poll(() => page.locator('.katex-display').count(), { timeout: 10_000 }).toBe(2)
    expect(await page.locator('.katex-error').count()).toBe(0)
    await expect.poll(
-      () => page.getByText('Input 0 tok · Output 0 tok', { exact: false }).count(),
+      () => page.getByText('1 turns · 1 steps', { exact: false }).count(),
      { timeout: 10_000 },
    ).toBe(1)

--- a/apps/web/tests/plugin-config.e2e.ts
+++ b/apps/web/tests/plugin-config.e2e.ts
@@ -1,5 +1,5 @@
-// Web e2e scenario: the Plugins settings section — the cards a deployment's
-// exposed host-plane namespaces produce, one field edited through the real
+// Web e2e scenario: the configurable tab in Plugins settings — the cards a
+// deployment's exposed host-plane namespaces produce, one field edited through the real
 // wire down to `$DSH_HOME/settings.yaml`, and the override badge and reset
 // that layering produces. Zero model calls: everything is client state plus
 // the settings document on a blank frame, so there is no fixture and a stray
@@ -56,9 +56,12 @@ describe('web e2e: plugin configuration section', () => {
    await page.getByRole('button', { name: '设置', exact: true }).click()
    const dialog = page.getByRole('dialog', { name: '设置' })
    await dialog.waitFor({ timeout: 10_000 })
-    await dialog.getByRole('button', { name: '插件配置', exact: true }).click()
+    await dialog.getByRole('button', { name: '插件', exact: true }).click()
    await expect
-      .poll(() => dialog.getByRole('button', { name: '插件配置', exact: true }).getAttribute('aria-current'), { timeout: 5_000 })
+      .poll(() => dialog.getByRole('button', { name: '插件', exact: true }).getAttribute('aria-current'), { timeout: 5_000 })
+      .toBe('true')
+    await expect
+      .poll(() => dialog.getByRole('tab', { name: '插件配置', exact: true }).getAttribute('aria-selected'), { timeout: 5_000 })
      .toBe('true')
    return dialog
  }
--- a/apps/web/tests/seeded-history.e2e.ts
+++ b/apps/web/tests/seeded-history.e2e.ts
@@ -256,6 +256,12 @@ describe('web e2e: seeded history renders through cold resume', () => {
    // client's "omitted key = capability absent → clear the row" rule from
    // wiping preset-owned projections on cold reads.
    expect(projections?.values).toHaveProperty('todos', null)
+    // The session-stats unit is a shipped web-app bundle row: whole-log
+    // turn/step counts ride the same tail block (the stats strip's source).
+    const sessionStats = projections?.values.sessionStats as { turns: number; steps: number } | undefined
+    expect(sessionStats).toBeDefined()
+    expect(sessionStats?.turns).toBeGreaterThanOrEqual(1)
+    expect(sessionStats?.steps).toBeGreaterThanOrEqual(sessionStats?.turns ?? 0)
  })

  it.skipIf(MODE === 'record')('lists the seeded session cold and renders its history from the log', async () => {
--- a/apps/web/tests/settings-chrome.e2e.ts
+++ b/apps/web/tests/settings-chrome.e2e.ts
@@ -99,6 +99,7 @@ describe('web e2e: settings modal and General preferences', () => {
    // an unrelated plugin does not rewrite this surface's golden.
    await dialog.getByRole('button', { name: '插件', exact: true }).click()
    await dialog.getByRole('heading', { name: '插件', exact: true }).waitFor({ timeout: 10_000 })
+    await dialog.getByRole('tab', { name: '插件列表', exact: true }).click()
    const pluginRow = dialog.locator(PLUGIN_ROW_SELECTOR)
    await pluginRow.waitFor({ timeout: 10_000 })
    const expectedPluginCount = [...scaffold.ctx.loader.entries()]
@@ -109,6 +110,7 @@ describe('web e2e: settings modal and General preferences', () => {
    expect(await dialog.locator('[data-plugin-count]').getAttribute('data-plugin-count'))
      .toBe(String(expectedPluginCount))
    expect(await dialog.getByRole('button', { name: '插件', exact: true }).getAttribute('aria-current')).toBe('true')
+    expect(await dialog.getByRole('tab', { name: '插件列表', exact: true }).getAttribute('aria-selected')).toBe('true')
    expect(await dialog.getByRole('button', { name: '模型' }).getAttribute('aria-current')).toBeNull()
    const pluginsSnapshot = await captureStableAria(
      page,
--- a/apps/web/tests/snapshots/agent-preset-authoring/created.expected.md
+++ b/apps/web/tests/snapshots/agent-preset-authoring/created.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/agent-preset-authoring/damaged.expected.md
+++ b/apps/web/tests/snapshots/agent-preset-authoring/damaged.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/agent-preset-authoring/section.expected.md
+++ b/apps/web/tests/snapshots/agent-preset-authoring/section.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/live-interactions/cancel.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/cancel.expected.md
@@ -31,4 +31,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
- text: 1 turns · 1 steps Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps
--- a/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
@@ -27,3 +27,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
+- text: 1 turns · 1 steps
--- a/apps/web/tests/snapshots/markdown-cjk-strong/ui.expected.md
+++ b/apps/web/tests/snapshots/markdown-cjk-strong/ui.expected.md
@@ -53,4 +53,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
- text: 1 turns · 1 steps LLM {{duration}} Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps LLM {{duration}}
--- a/apps/web/tests/snapshots/markdown-images/ui.expected.md
+++ b/apps/web/tests/snapshots/markdown-images/ui.expected.md
@@ -32,4 +32,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
- text: 1 turns · 1 steps LLM {{duration}} Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps LLM {{duration}}
--- a/apps/web/tests/snapshots/markdown-inline-code-links/ui.expected.md
+++ b/apps/web/tests/snapshots/markdown-inline-code-links/ui.expected.md
@@ -44,4 +44,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
- text: 1 turns · 1 steps LLM {{duration}} Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps LLM {{duration}}
--- a/apps/web/tests/snapshots/math-rendering/ui.expected.md
+++ b/apps/web/tests/snapshots/math-rendering/ui.expected.md
@@ -48,4 +48,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
- text: 1 turns · 1 steps LLM {{duration}} Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps LLM {{duration}}
--- a/apps/web/tests/snapshots/models-settings/configured.expected.md
+++ b/apps/web/tests/snapshots/models-settings/configured.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/models-settings/declared-edit.expected.md
+++ b/apps/web/tests/snapshots/models-settings/declared-edit.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/models-settings/declared.expected.md
+++ b/apps/web/tests/snapshots/models-settings/declared.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/models-settings/empty.expected.md
+++ b/apps/web/tests/snapshots/models-settings/empty.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/onboarding-deepseek-config/models.expected.md
+++ b/apps/web/tests/snapshots/onboarding-deepseek-config/models.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/onboarding-usable-provider/dismissed.expected.md
+++ b/apps/web/tests/snapshots/onboarding-usable-provider/dismissed.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/plugin-config/section.expected.md
+++ b/apps/web/tests/snapshots/plugin-config/section.expected.md
@@ -13,25 +13,26 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
    - text: 关闭
-  - heading "插件配置" [level=2]
-  - paragraph: 配置本部署已安装的插件。
-  - list:
-    - listitem:
-      - 'button "展开设置: 终端"':
-        - text: 终端 限制 agent 运行的每一条命令。
-        - img
-    - listitem:
-      - 'button "展开设置: Agent 循环"':
-        - text: Agent 循环 Agent 如何派发工具调用。
-        - img
-    - listitem:
-      - 'button "展开设置: 网页搜索"':
-        - text: 网页搜索 DeepSeek 搜索提供方。
-        - img
+  - heading "插件" [level=2]
+  - paragraph: 配置和查看本部署已安装的插件。
+  - tablist "插件视图":
+    - tab "插件配置" [selected]
+    - tab "插件列表"
+  - tabpanel "插件配置":
+    - list:
+      - listitem:
+        - 'button "展开设置: 终端"':
+          - text: 终端 限制 agent 运行的每一条命令。
+          - img
+      - listitem:
+        - 'button "展开设置: Agent 循环"':
+          - text: Agent 循环 Agent 如何派发工具调用。
+          - img
+      - listitem:
+        - 'button "展开设置: 网页搜索"':
+          - text: 网页搜索 DeepSeek 搜索提供方。
+          - img
--- a/apps/web/tests/snapshots/queue-actions/preserved.expected.md
+++ b/apps/web/tests/snapshots/queue-actions/preserved.expected.md
@@ -50,4 +50,4 @@
  - text: DeepSeek-V4-Flash
  - img
 - button "Send message" [disabled]
- text: 1 turns · 1 steps Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps
--- a/apps/web/tests/snapshots/settings-chrome/dialog.expected.md
+++ b/apps/web/tests/snapshots/settings-chrome/dialog.expected.md
@@ -13,9 +13,6 @@
    - button "Agent 预设":
      - img
      - text: Agent 预设
-    - button "插件配置":
-      - img
-      - text: 插件配置
  - button "打开配置文件"
  - button "关闭":
    - img
--- a/apps/web/tests/snapshots/stats-paged-history/ui.expected.md
+++ b/apps/web/tests/snapshots/stats-paged-history/ui.expected.md
@@ -0,0 +1,357 @@
+- banner:
+  - navigation "Session hierarchy":
+    - button "{{workspace}}" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
+  - tablist:
+    - tab "Chat" [selected]
+    - tab "Trajectory"
+- text: m1 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r1
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m2 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r2
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m3 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r3
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m4 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r4
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m5 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r5
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m6 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r6
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m7 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r7
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m8 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r8
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m9 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r9
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m10 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r10
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m11 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r11
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m12 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r12
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m13 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r13
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m14 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r14
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m15 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r15
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m16 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r16
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m17 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r17
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m18 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r18
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m19 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r19
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m20 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r20
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m21 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r21
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m22 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r22
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m23 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r23
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m24 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r24
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m25 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r25
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m26 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r26
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m27 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r27
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}} m28 7/25 {{clock}}
+- button "Copy":
+  - img
+- paragraph: r28
+- button "Copy":
+  - img
+- button "Good response":
+  - img
+- button "Bad response":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: 7/25 {{clock}} Ran for {{duration}}
+- button "Back to bottom":
+  - img
+- textbox "Message the agent"
+- button "Commands":
+  - img
+- 'button "Access mode, current: Workspace Write"': Workspace Write
+- button "Select model, current DeepSeek-V4-Flash":
+  - text: DeepSeek-V4-Flash
+  - img
+- button "Send message" [disabled]
+- text: 28 turns · 28 steps LLM {{duration}}
--- a/apps/web/tests/stats-paged-history.e2e.ts
+++ b/apps/web/tests/stats-paged-history.e2e.ts
@@ -0,0 +1,136 @@
+// Web e2e scenario: full-session stats over paged history. A deterministic
+// 28-turn log (56 surface messages — more than one 50-message history page)
+// seeded cold through the REAL persistence API must render whole-log turn/step
+// counts from the sessionStats projection on first open, and loading the
+// older page must NOT change them. This pins the bug the projection fixed:
+// the pre-projection window fold recounted per loaded page, so 加载更早 grew
+// the counter. Zero model calls; the seed is generated, not recorded, because
+// no line of it is model output.
+import { fileURLToPath } from 'node:url'
+import type { Browser, Page } from 'playwright'
+import { chromium } from 'playwright'
+import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
+import {
+  assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
+  launchWebScaffold, seedSession, watchConsole, webSnapshotMode, type WebScaffold,
+} from './scaffold.ts'
+import { newEnglishPage, saveFailureShot } from './support.ts'
+
+const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/stats-paged-history', import.meta.url))
+const UI_EXPECTED = fileURLToPath(new URL('./snapshots/stats-paged-history/ui.expected.md', import.meta.url))
+const MODE = webSnapshotMode()
+const SEED_ID = 'stats-paged-history-web-e2e'
+
+/** Turn count: 2 surface messages per turn, so 28 turns overflow one 50-message page. */
+const TURNS = 28
+const FULL_COUNTS = `${TURNS} turns · ${TURNS} steps`
+
+/**
+ * Generate the seed: TURNS closed single-step turns of one short user prompt
+ * and one short assistant reply each. Times are fixed so the fixture is
+ * byte-deterministic; message ids are synthetic uuids (aria normalizes them).
+ * @param turns - closed turns to generate.
+ * @returns session.jsonl text for {@link seedSession}.
+ */
+function buildSeed(turns: number): string {
+  const lines = [JSON.stringify({
+    type: 'session', version: 0, id: '{{sessionId}}', createdAt: 1784974100000, cwd: '{{cwd}}/workspace',
+  })]
+  let seq = 0
+  let time = 1784974100000
+  const at = (event: Record<string, unknown>): void => {
+    lines.push(JSON.stringify({ ...event, seq: seq++, time: time++ }))
+  }
+  for (let turn = 1; turn <= turns; turn++) {
+    at({ type: 'turn/start', data: { turn } })
+    at({
+      type: 'user/message',
+      data: { content: [{ type: 'text', text: `m${turn}` }], source: { kind: 'user' } },
+      surfaceOp: 'append',
+    })
+    at({ type: 'step/start', data: { turn, step: 1 } })
+    at({
+      type: 'assistant/message',
+      data: {
+        turn,
+        step: 1,
+        message: {
+          id: `00000000-0000-4000-8000-${String(turn).padStart(12, '0')}`,
+          role: 'assistant',
+          content: [{ type: 'text', text: `r${turn}` }],
+          source: { kind: 'model', provider: 'snapshot', model: 'snapshot-replier' },
+        },
+      },
+      sourceEventSeqs: [],
+      surfaceOp: 'append',
+    })
+    at({ type: 'step/end', data: { turn, step: 1 } })
+    at({ type: 'turn/end', data: { turn, reason: { kind: 'completed' } } })
+  }
+  return `${lines.join('\n')}\n`
+}
+
+describe('web e2e: whole-session stats survive history paging', () => {
+  let scaffold: WebScaffold
+  let browser: Browser
+  let page: Page
+  let tripwire: ReturnType<typeof watchConsole>
+
+  beforeAll(async () => {
+    if (MODE === 'record') throw new Error('stats-paged-history is a keyless assembled snapshot')
+    scaffold = await launchWebScaffold({})
+    await seedSession(scaffold, buildSeed(TURNS), SEED_ID)
+    browser = await chromium.launch()
+    page = await newEnglishPage(browser)
+    tripwire = watchConsole(page)
+    await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+  }, 120_000)
+
+  afterAll(async () => {
+    await browser?.close()
+    await scaffold?.close()
+  })
+
+  it('renders full-session counts on the partial tail page and keeps them across load-older', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-stats-paged'))
+    const groupRow = page.locator('[role="treeitem"]').first()
+    await groupRow.waitFor({ timeout: 15_000 })
+    await groupRow.click()
+    const sessionRow = page.locator('[role="treeitem"]').nth(1)
+    await sessionRow.waitFor({ timeout: 10_000 })
+    await sessionRow.click()
+    // Settled barrier: the newest recorded reply renders from the tail page.
+    await expect.poll(() => page.getByText(`r${TURNS}`, { exact: true }).count(), { timeout: 15_000 }).toBe(1)
+    // The tail page is partial (56 messages > one 50-message page): the first
+    // turns are NOT loaded, yet the strip already reports the whole log —
+    // the sessionStats projection, not the window fold.
+    expect(await page.getByText('m1', { exact: true }).count()).toBe(0)
+    await expect.poll(() => page.getByText(FULL_COUNTS, { exact: false }).count(), { timeout: 10_000 }).toBe(1)
+    const strip = page.getByText(FULL_COUNTS, { exact: false }).locator('..')
+    const stripBeforePaging = await strip.textContent()
+
+    // 加载更早: prepending the older page must not move ANY strip figure —
+    // counts, wall times, or token groups.
+    await page.getByRole('button', { name: 'Load earlier' }).click()
+    await expect.poll(() => page.getByText('m1', { exact: true }).count(), { timeout: 10_000 }).toBe(1)
+    expect(await strip.textContent()).toBe(stripBeforePaging)
+    // With the whole log loaded, the window mounts one turn-tail footer per
+    // settled turn — the loaded-window probe the scroll/perf lanes count now
+    // that the strip is whole-log-scoped.
+    expect(await page.locator('[data-chat-flow-key^="9:turn-tail"]').count()).toBe(TURNS)
+  }, 60_000)
+
+  it('matches the paged-stats aria golden', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-stats-paged-aria'))
+    const snapshot = (await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd))
+      .split(SEED_ID).join('{{seededId}}')
+    await compareOrRefreshGolden(UI_EXPECTED, snapshot, MODE)
+  })
+
+  it('issued zero model calls and stayed clean', async () => {
+    expect(tripwire.pageErrors).toEqual([])
+    expect(tripwire.warnings).toEqual([])
+    await assertFixtureInventory(SNAPSHOT_DIR, ['ui.expected.md'])
+  })
+})