feat(conversation): replicate WorkBuddy rewind-to-message action (TODO 05)

scripts/conversation-ipc-regression.ts

@@ -494,11 +494,15 @@ async function testFeedbackAndRevert(bundle: TestBundle, state: TestState, works
   assert.equal(await bundle.sessions.getPendingNativeBranch(rejectedId), undefined)
 
   const readOnlyId = await invoke('session:create', 'read-only-revert') as { id: string }
-  await bundle.sessions.appendMessage(readOnlyId.id, message('read-only-user', 'user', 'read only'))
+  await bundle.sessions.appendMessage(readOnlyId.id, message('read-only-user', 'user', 'read only', { nativeEntryId: 'native-read-only-target' }))
   await bundle.sessions.appendMessage(readOnlyId.id, message('read-only-assistant', 'assistant', 'read', {
     tools: [{ id: 'read-tool', name: 'read_file', args: {}, argsRaw: '{}', status: 'ok' }]
   }))
-  await assert.rejects(invoke('chat:revert', readOnlyId.id, 'read-only-user'), /没有可恢复/)
+  seedNativeHistory(state, readOnlyId.id, [['native-read-only-target', 'read only']])
+  // 原版 rewind 的 no-version 变体：没有产物版本时只回退对话内容，产物保持不变。
+  const readOnlyResult = await invoke('chat:revert', readOnlyId.id, 'read-only-user') as { messages: unknown[] }
+  assert.deepEqual(readOnlyResult.messages, [], 'conversation-only rewind should truncate to before the message')
+  assert.deepEqual(await bundle.sessions.getMessages(readOnlyId.id), [], 'conversation-only rewind should persist the truncated prefix')
 
   const unknownPath = join(workspace, 'unknown-write.txt')
   await writeFile(unknownPath, 'after', 'utf8')

scripts/rea/probe-user-message-revert-20261017.json

@@ -0,0 +1,17 @@
+{
+  "include_fonts": false,
+  "include_message_content": false,
+  "track_selectors": [
+    ".cr-frame--right",
+    ".cr-toolbar",
+    ".cr-toolbar__time"
+  ],
+  "actions": [
+    { "kind": "click", "step_id": "open-research-task", "selector": ".conversation-item", "index": 2, "frames": 0 },
+    { "kind": "wait", "step_id": "loaded", "duration_ms": 1500, "frames": 1 },
+    { "kind": "hover", "step_id": "hover-user-0", "selector": ".cr-self-bubble", "index": 0, "frames": 1 },
+    { "kind": "wait", "step_id": "toolbar-0", "duration_ms": 350, "frames": 1 },
+    { "kind": "hover", "step_id": "hover-user-1", "selector": ".cr-self-bubble", "index": 1, "frames": 1 },
+    { "kind": "wait", "step_id": "toolbar-1", "duration_ms": 350, "frames": 1 }
+  ]
+}

scripts/rea/probe-user-message-revert-hover-20261017.json

@@ -0,0 +1,23 @@
+{
+  "include_fonts": false,
+  "include_message_content": false,
+  "track_selectors": [
+    ".cr-message-list",
+    ".cr-frame--right",
+    ".cr-toolbar",
+    ".cr-toolbar__time",
+    ".cr-toolbar .cr-icon-button[data-action='copy']",
+    ".cr-toolbar .cr-icon-button[data-action='revert']",
+    ".cr-toolbar .cr-icon-button[data-action='edit']",
+    ".cr-tooltip",
+    ".wb-tooltip"
+  ],
+  "actions": [
+    { "kind": "viewport", "step_id": "tall-viewport", "width": 1336, "height": 2160, "frames": 1 },
+    { "kind": "wait", "step_id": "relayout", "duration_ms": 500, "frames": 1 },
+    { "kind": "hover", "step_id": "hover-user-message", "selector": ".cr-self-bubble", "index": 1, "frames": 1 },
+    { "kind": "wait", "step_id": "toolbar-visible", "duration_ms": 350, "frames": 0 },
+    { "kind": "hover", "step_id": "hover-revert-button", "selector": ".cr-toolbar .cr-icon-button[data-action='revert']", "index": 0, "frames": 1 },
+    { "kind": "wait", "step_id": "tooltip-visible", "duration_ms": 700, "frames": 1 }
+  ]
+}

scripts/verify-user-message-edit.cjs

@@ -22,6 +22,8 @@ if (!process.versions.electron) {
     const sameYearDay = [2, 3, 4, 5].map((day) => new Date(currentYear, 0, day, 9, 5).getTime())
       .find((value) => new Date(value).toDateString() !== todayKey)
     const otherYear = new Date(currentYear - 2, 11, 31, 9, 5).getTime()
+    const crossYearUserId = crypto.randomUUID()
+    const sameYearUserId = crypto.randomUUID()
     const firstUserId = crypto.randomUUID()
     const secondUserId = crypto.randomUUID()
     // 产物回退夹具：目标消息之后的助手回合写入了一个文件，编辑提交后该文件应回退到旧内容。
@@ -30,21 +32,21 @@ if (!process.versions.electron) {
     const editedFileAfter = '新内容：编辑后写入'
     await fs.writeFile(editedFilePath, editedFileAfter, 'utf8')
     const sessions = [{ id: crypto.randomUUID(), title: 'Edit Live', cwd, createdAt: now, updatedAt: now + 1, messages: [
-      { id: crypto.randomUUID(), role: 'user', content: '跨年历史消息', createdAt: otherYear, status: 'done' },
-      { id: crypto.randomUUID(), role: 'assistant', content: '跨年回复。', createdAt: otherYear + 1000, status: 'done' },
-      { id: crypto.randomUUID(), role: 'user', content: '同年历史消息', createdAt: sameYearDay, status: 'done' },
-      { id: crypto.randomUUID(), role: 'assistant', content: '同年回复。', createdAt: sameYearDay + 1000, status: 'done' },
-      { id: firstUserId, role: 'user', content: '第一条历史消息', createdAt: now - 4000, status: 'done' },
-      { id: crypto.randomUUID(), role: 'assistant', content: '收到第一条。', createdAt: now - 3000, status: 'done' },
-      { id: secondUserId, role: 'user', content: 'workbuddy是否有目标模式', createdAt: now - 2000, status: 'done' },
-      { id: crypto.randomUUID(), role: 'assistant', content: '本地文档里没有直接命中。', createdAt: now - 1000, status: 'done', tools: [
+      { id: crossYearUserId, role: 'user', content: '跨年历史消息', createdAt: otherYear, status: 'done', requestId: 'req-cross-year' },
+      { id: crypto.randomUUID(), role: 'assistant', content: '跨年回复。', createdAt: otherYear + 1000, status: 'done', requestId: 'req-cross-year' },
+      { id: sameYearUserId, role: 'user', content: '同年历史消息', createdAt: sameYearDay, status: 'done', requestId: 'req-same-year' },
+      { id: crypto.randomUUID(), role: 'assistant', content: '同年回复。', createdAt: sameYearDay + 1000, status: 'done', requestId: 'req-same-year' },
+      { id: firstUserId, role: 'user', content: '第一条历史消息', createdAt: now - 4000, status: 'done', requestId: 'req-first' },
+      { id: crypto.randomUUID(), role: 'assistant', content: '收到第一条。', createdAt: now - 3000, status: 'done', requestId: 'req-first' },
+      { id: secondUserId, role: 'user', content: 'workbuddy是否有目标模式', createdAt: now - 2000, status: 'done', requestId: 'req-second' },
+      { id: crypto.randomUUID(), role: 'assistant', content: '本地文档里没有直接命中。', createdAt: now - 1000, status: 'done', requestId: 'req-second', tools: [
         { id: 'tool-write-1', name: 'write_file', status: 'ok', args: { path: editedFilePath }, result: { path: editedFilePath, oldContent: editedFileBefore, newContent: editedFileAfter } }
       ] }
     ] }, { id: crypto.randomUUID(), title: 'Edit Other', cwd, createdAt: now - 9000, updatedAt: now - 8000, messages: [
       { id: crypto.randomUUID(), role: 'user', content: '另一个会话', createdAt: now - 9000, status: 'done' }
     ] }]
     await fs.writeFile(path.join(data, 'sessions.json'), JSON.stringify({ sessions }))
-    await fs.writeFile(path.join(directory, 'expected.json'), JSON.stringify({ firstUserId, secondUserId, editedFilePath, editedFileBefore, editedFileAfter,
+    await fs.writeFile(path.join(directory, 'expected.json'), JSON.stringify({ crossYearUserId, sameYearUserId, firstUserId, secondUserId, editedFilePath, editedFileBefore, editedFileAfter,
       sameYearDay, otherYear, userTimes: [otherYear, sameYearDay, now - 4000, now - 2000] }))
     const env = { ...process.env, YCODE_QA_DIRECTORY: directory, YCODE_USER_DATA_DIR: data,
       YCODE_OMP_HOME: home, YCODE_DISABLE_GPU: '1', YCODE_QA_OFFSCREEN: '1' }
@@ -74,6 +76,7 @@ if (!process.versions.electron) {
   let main, phase = 'boot'
   const checks = [], snapshots = {}, rendererErrors = []
   const sentPayloads = []
+  const revertCalls = []
   let sendDelayMs = 0
   const pause = ms => new Promise(resolve => setTimeout(resolve, ms))
   async function read(source) {
@@ -117,6 +120,13 @@ if (!process.versions.electron) {
     await import('node:url').then(({ pathToFileURL }) => import(pathToFileURL(path.resolve('out/main/index.mjs')).href))
     await app.whenReady()
     // 记录编辑提交负载并返回合成分支：隔离环境没有可用模型，但提交链路必须真实经过 IPC。
+    // 回退走真实渲染链路与真实 preload/IPC；主进程侧换成记录器，
+    // 真实文件与历史语义由 npm run test:conversation-ipc 覆盖。
+    ipcMain.removeHandler('chat:revert')
+    ipcMain.handle('chat:revert', async (_event, sessionId, messageId) => {
+      revertCalls.push({ sessionId, messageId })
+      return { messages: [] }
+    })
     ipcMain.removeHandler('chat:send')
     ipcMain.handle('chat:send', async (_event, payload) => {
       if (sendDelayMs) await pause(sendDelayMs)
@@ -157,12 +167,13 @@ if (!process.versions.electron) {
     check('toolbar is hidden while not hovered', idle.opacity === '0' && idle.pointerEvents === 'none', true)
     check('toolbar time follows the 14/20 tertiary rule', idle.time.fontSize === '14px' && idle.time.lineHeight === '20px' && idle.time.color === 'rgba(0, 0, 0, 0.5)', true)
     check('toolbar time uses HH:mm for today', /^\d{2}:\d{2}$/.test(idle.time.text), true)
-    // 该消息之后存在可回退的产物写入，因此原版会额外显示“恢复此版本”入口（ev_245ea174… 的无产物会话只有 copy + edit）。
+    // 原版桌面端回退入口标签来自 rewind.entry.tooltip（ConversationTimelineImpl.revertLabel），
+    // 该消息之后存在产物写入，因此弹窗走 artifacts 变体。
     check('toolbar keeps the original button set (copy + revert + edit, no resend)', idle.buttons.length, 3)
     check('button order is copy, revert, edit like the original', idle.buttons.map(item => item.action).join(','), 'copy,revert,edit')
     check('buttons are 24x24 with 14x14 icons and radius 6', idle.buttons.every(item => item.width === 24 && item.height === 24 && item.radius === '6px' && item.icon[0] === 14 && item.icon[1] === 14), true)
     check('copy/edit keep the 16x16 viewBox while revert keeps the recovered 14x14 one', idle.buttons.map(item => item.action + ':' + item.icon[2]).join(','), 'copy:0 0 16 16,revert:0 0 14 14,edit:0 0 16 16')
-    check('buttons expose the original aria labels', idle.buttons.map(item => item.label).join(','), '复制,恢复此版本,编辑')
+    check('buttons expose the recovered rewind tooltip', idle.buttons.map(item => item.label).join(','), '复制,将对话及产物回退到此消息前,编辑')
 
     await step('toolbar-hover')
     const bubble = idle.buttons[0] && (await read(`(()=>{const box=${lastFrame}.querySelector('.cr-self-bubble').getBoundingClientRect();return {x:Math.round(box.x+box.width/2),y:Math.round(box.y+box.height/2)}})()`))
@@ -254,6 +265,9 @@ if (!process.versions.electron) {
     snapshots.submitting = submitting
     check('submitting disables cancel and send with aria-busy', submitting.cancel.disabled === true && submitting.send.disabled === true && submitting.send.busy === 'true', true)
     check('submitting shows the spinner inside the send button', submitting.send.spinner, true)
+    // 原版 showDefaultRevert/showDefaultEdit = !isSessionActive：会话活动期间回退与编辑入口都不渲染。
+    const busyEntries = await read(`[...document.querySelectorAll('.cr-frame--right')].map(frame => ({messageId: frame.querySelector('.cr-toolbar')?.getAttribute('data-message-id') ?? null, actions: [...(frame.querySelector('.cr-toolbar')?.querySelectorAll('.cr-icon-button') ?? [])].map(button => button.getAttribute('data-action'))})).filter(item => item.messageId)`)
+    check('active session hides rewind and edit entries like showDefaultRevert/showDefaultEdit', busyEntries.every(item => item.actions.join(',') === 'copy'), true)
     for (let index = 0; index < 60 && sentPayloads.length === 0; index++) await pause(50)
     const editPayload = sentPayloads.find(item => item.action === 'edit')
     check('edit submit reaches chat:send through IPC', !!editPayload, true)
@@ -279,12 +293,57 @@ if (!process.versions.electron) {
     check('Enter submits the edited message like the original onEnterSend', sentPayloads.filter(item => item.action === 'edit').length, 2)
     check('second edit payload keeps the typed text', sentPayloads.filter(item => item.action === 'edit')[1].text, '回车提交')
     await wait(`!document.querySelector('.cr-user-message-editor')`, 'editor closed after enter submit')
+
+    // 编辑提交会以桩返回替换内存消息；重新选中会话以从真实 sessions 存储恢复夹具，
+    // 再验证回退入口（resolveRevertEntryVisible）、弹窗三态与确认链路。
+    await step('rewind-reload-fixture')
+    await read(`window.location.reload()`)
+    await wait(`!!document.querySelector('#root')`, 'renderer reloaded')
+    await pause(1500)
+    await wait(`!!document.querySelector('[data-session-id]')`, 'sidebar rows after reload')
+    await read(`(()=>{const rows=[...document.querySelectorAll('[data-session-id]')];const row=rows.find(item=>item.textContent.includes('Edit Live'));if(!row)return false;row.click();return true})()`)
+    await wait(`document.querySelectorAll('.cr-frame--right').length === 4`, 'fixture restored')
+
+    await step('rewind-entry')
+    const rewindEntries = await read(`[...document.querySelectorAll('.cr-frame--right')].map(frame => ({messageId: frame.querySelector('.cr-toolbar')?.getAttribute('data-message-id') ?? null, actions: [...(frame.querySelector('.cr-toolbar')?.querySelectorAll('.cr-icon-button') ?? [])].map(button => button.getAttribute('data-action'))}))`)
+    snapshots.rewindEntries = rewindEntries
+    const entryOf = id => rewindEntries.find(item => item.messageId === id)?.actions ?? null
+    check('first user message hides the rewind entry like resolveRevertEntryVisible', entryOf(expected.crossYearUserId), ['copy', 'edit'])
+    check('later user messages render copy + rewind + edit', [expected.sameYearUserId, expected.firstUserId, expected.secondUserId].map(entryOf).map(actions => actions?.join(',')).join('|'),
+      'copy,revert,edit|copy,revert,edit|copy,revert,edit')
+
+    const openRewind = async () => {
+      await read(`(()=>{const frame=[...document.querySelectorAll('.cr-frame--right')].find(item => item.querySelector('.cr-toolbar')?.getAttribute('data-message-id') === ${JSON.stringify(expected.secondUserId)});const button=frame?.querySelector('.cr-toolbar .cr-icon-button[data-action="revert"]');if(!button)return false;button.click();return true})()`)
+      await wait(`!!document.querySelector('.dialog[role="dialog"]')`, 'rewind dialog')
+    }
+    await step('rewind-dialog-cancel')
+    await openRewind()
+    const dialog = await read(`(()=>{const dialog=document.querySelector('.dialog[role="dialog"]');if(!dialog)return null;const rows=[...dialog.querySelectorAll('.rewind-artifacts__row')].map(row=>({name:row.querySelector('.rewind-artifacts__name')?.textContent??null,title:row.querySelector('.rewind-artifacts__name')?.getAttribute('title')??null,status:row.querySelector('.rewind-artifacts__status')?.textContent??null}));const actions=[...dialog.querySelectorAll('.dialog__actions button')];return {title:dialog.querySelector('.dialog__title')?.textContent??null,description:dialog.querySelector('p')?.textContent??null,aria:dialog.getAttribute('aria-label'),labels:actions.map(button=>button.textContent),rows}})()`)
+    snapshots.rewindDialog = dialog
+    check('rewind dialog uses the recovered artifacts variant title', dialog.title, '将对话及以下产物版本回退到此消息前？')
+    check('rewind dialog carries the recovered description', dialog.description, '回退暂不支持部分类型文件')
+    check('rewind dialog actions are 取消/回退', dialog.labels.join(','), '取消,回退')
+    check('rewind dialog lists the pending artifact with its status', dialog.rows.length === 1 && dialog.rows[0].name === 'edited-artifact.txt' && dialog.rows[0].status === '回退至历史版本' && dialog.rows[0].title === expected.editedFilePath, true)
+    await shot('rewind-dialog')
+    await read(`document.querySelector('.dialog[role="dialog"] .dialog__actions button').click()`)
+    await wait(`!document.querySelector('.dialog[role="dialog"]')`, 'rewind dialog closed')
+    check('cancel keeps the conversation and never reaches chat:revert', revertCalls.length, 0)
+
+    await step('rewind-confirm')
+    await openRewind()
+    await read(`(()=>{const actions=[...document.querySelectorAll('.dialog[role="dialog"] .dialog__actions button')];actions[actions.length-1].click();return true})()`)
+    for (let index = 0; index < 60 && revertCalls.length === 0; index++) await pause(50)
+    check('confirm reaches chat:revert with the session and message id', revertCalls.length === 1 && revertCalls[0].messageId === expected.secondUserId && typeof revertCalls[0].sessionId === 'string', true)
+    await wait(`!document.querySelector('.dialog[role="dialog"]')`, 'rewind dialog closed after confirm')
+    check('rewind replaces the conversation with the rewound prefix', await read(`document.querySelectorAll('.cr-frame--right').length`), 0)
     check('no renderer error logs', rendererErrors, [])
 
     const report = { result: checks.every(item => item.pass) ? 'PASS' : 'FAIL',
       scope: 'Real isolated YCode App/preload/IPC/renderer. chat:send is stubbed in the test main process to record payloads because the sandbox has no model.',
       sourceEvidence: ['ev_245ea1740cde21869500348e47cf9663a1ea72943ccfe79c163a6838a153bfd3', 'ev_5dd78e06e75b3a29b656d328c2efc2a820ea197e8204a39840207188a6496a0f',
-        'ev_ee345b160e5f520ed866c1059b7c72e77b34e49bf1ce407cd266ea886aa86405', 'src-CyXHA0IC.css a5e26b537bb50323aefbf25abddad52e288dd3868598be8d255d70886fe77cfe'],
+        'ev_ee345b160e5f520ed866c1059b7c72e77b34e49bf1ce407cd266ea886aa86405', 'src-CyXHA0IC.css a5e26b537bb50323aefbf25abddad52e288dd3868598be8d255d70886fe77cfe',
+        'ev_e91787b1d4dea651582c6cf12827775b9068b0ee8b80c68ba08d4c1d87d94e90（rewind.* zh-CN 文案）',
+        'ev_717fa5e846e64d67ac19c8925d121bff632c0d3aefb3603b10858559cabb2dcb（ConversationTimelineImpl rewind 接线，脚本 SHA-256 5f35b748…）'],
       snapshots, checks, rendererErrors }
     await fs.writeFile(path.join(directory, 'report.json'), JSON.stringify(report, null, 2))
     console.log('USER_MESSAGE_EDIT_' + report.result + ' ' + directory)