feat(session-export): add command and Header action

apps/web/tests/agent-preset-selection.e2e.ts

@@ -283,6 +283,7 @@ describe('web e2e: agent-preset selection', () => {
     expect(snapshot).toContain('Minimal mode')
     expect(snapshot).toContain('button "1 subagent"')
     expect(snapshot.indexOf('Minimal mode')).toBeLessThan(snapshot.indexOf('button "1 subagent"'))
+    expect(snapshot.indexOf('button "1 subagent"')).toBeLessThan(snapshot.indexOf('button "Session log"'))
     // Static chrome, not a control: the header can only report a composition
     // the host would refuse to change.
     expect(snapshot).not.toContain('button "Minimal mode"')

apps/web/tests/assembled-boot.ts

@@ -43,6 +43,7 @@ const PLUGINS: readonly (WebBootEntry & { bundlePath: string })[] = [
       '@deepseek-ai/dsh-client-ui-sidebar',
     ],
   },
+  { id: '@deepseek-ai/dsh-session-export', bundlePath: 'packages/session-query/session-export/lib/client.js', url: '/plugins/session-export.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-ui-command', '@deepseek-ai/dsh-client-ui-conversation'] },
   { id: '@deepseek-ai/dsh-client-ui-trajectory', bundlePath: 'packages/client/ui-trajectory/lib/client.js', url: '/plugins/ui-trajectory.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-ui-conversation'] },
 ]
 

apps/web/tests/navigation-panes.e2e.ts

@@ -283,14 +283,29 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
     await details.getByRole('button', { name: 'Close details' }).click()
   }, 60_000)
 
-  it.skipIf(MODE === 'record')('downloads the session-log ZIP from the trajectory toolbar', async () => {
+  it.skipIf(MODE === 'record')('downloads through the Session Header and /export with one dialog', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-navigation-export'))
     await ensureSeedOpen(page)
-    await page.getByRole('tab', { name: 'Trajectory' }).click()
+    const exportButton = page.getByRole('button', { name: 'Session log' })
+    expect(await exportButton.isDisabled()).toBe(false)
+    const header = exportButton.locator('xpath=ancestor::header[1]')
+    const [buttonBox, headerBox] = await Promise.all([
+      exportButton.boundingBox(), header.boundingBox(),
+    ])
+    if (buttonBox === null || headerBox === null) {
+      throw new Error('Session Header export geometry is unavailable')
+    }
+    expect(headerBox.x + headerBox.width - (buttonBox.x + buttonBox.width)).toBeLessThanOrEqual(32)
+    const responsePromise = page.waitForResponse(response =>
+      new URL(response.url()).pathname === '/api/session.export', { timeout: 30_000 })
     const downloadPromise = page.waitForEvent('download', { timeout: 30_000 })
-    await page.getByRole('button', { name: 'Export session log' }).click()
+    await exportButton.click()
+    const response = await responsePromise
+    expect(response.status()).toBe(200)
     const download = await downloadPromise
     expect(download.suggestedFilename()).toMatch(/^dsh-session-.+\.zip$/)
+    const dialog = page.getByRole('dialog', { name: 'Session download started' })
+    await dialog.waitFor({ timeout: 30_000 })
     // The real host streamed the ZIP; its root entry is the persisted log
     // text verbatim (the assembled seam: real route, real persistence read).
     const files = unzipSync(await readFile(await download.path()))
@@ -298,6 +313,18 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
     const content = strFromU8(files['session.jsonl'] as Uint8Array)
     expect(content.split('\n')[0]).toContain(SEED_ID)
     expect(content).toContain('FIRST_DONE')
+    await dialog.getByText('Close', { exact: true }).click()
+
+    const input = page.locator('textarea').first()
+    const slashDownloadPromise = page.waitForEvent('download', { timeout: 30_000 })
+    await input.fill('/export')
+    await page.getByRole('option', { name: /export/u }).waitFor({ timeout: 10_000 })
+    await input.press('Enter')
+    const slashDownload = await slashDownloadPromise
+    expect(slashDownload.suggestedFilename()).toBe(download.suggestedFilename())
+    await page.getByRole('dialog', { name: 'Session download started' }).waitFor({ timeout: 30_000 })
+    await page.getByRole('dialog', { name: 'Session download started' })
+      .getByText('Close', { exact: true }).click()
   }, 60_000)
 
   it.skipIf(MODE === 'record')('focuses the ledger by dragging an overview interval', async () => {

apps/web/tests/smoke-real.e2e.ts

@@ -138,13 +138,13 @@ async function detailsTrack(page: Page): Promise<number> {
   return Number(cols.split(' ').pop()!.replace('px', ''))
 }
 
-// Readiness gate: `dsh web` serves all ten production manifest plugins; until every UI
+// Readiness gate: `dsh web` serves every production manifest plugin; until every UI
 // plugin's client bundle exists and exports apply, the loader fail-louds and
 // the frame never appears.
 const UI_PLUGIN_DIRS = [
   'connection', 'runtime', 'ui-theme', 'locale', 'ui-layout', 'ui-sidebar',
   'ui-settings', 'ui-settings-general', 'ui-models', 'ui-conversation',
-  'ui-model', 'ui-question', 'ui-trajectory',
+  'ui-model', 'ui-question', 'ui-trajectory', '../session-query/session-export',
 ]
 const ROUND_DONE_MARKER = 'WEB_ROUND_DONE'
 const notReady = UI_PLUGIN_DIRS.filter((dir) => {

apps/web/tests/snapshots/agent-preset-selection/header.expected.md

@@ -5,3 +5,6 @@
 - button "1 subagent":
   - text: 1 subagent
   - img
+- button "Session log":
+  - text: Session log
+  - img

apps/web/tests/snapshots/bash-abort-row/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - 'button "Run two shell commands: wait" [disabled]'
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/code-mode-round/ui.expected.md

@@ -3,6 +3,9 @@
     - 'button "Using ONE run_code program: run" [disabled]'
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/cordis-tool-round/ui.expected.md

@@ -3,6 +3,9 @@
     - button "Use only Cordis tools. First" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/feedback-command/ack.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with the single word" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/fresh-round-trip/ui.expected.md

@@ -3,6 +3,9 @@
     - button "Use the bash tool to" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/goal-command-presentation/ui.expected.md

@@ -3,6 +3,9 @@
     - button "workspace" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/goal-multi-turn-actions/ui.expected.md

@@ -3,6 +3,9 @@
     - button "workspace" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/lifecycle-chrome/command-menu.expected.md

@@ -1,6 +1,7 @@
 - listbox "Trigger suggestions":
   - text: Commands
   - option "compact Compact older conversation history" [selected]
+  - option "export Download this Session log as a ZIP archive"
   - option "feedback record feedback about this session"
   - option "goal set or view the goal for a long-running task"
   - option "permission Switch the permission preset (sandbox mode + approval policy)"

apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with the single word" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/live-interactions/cancel.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/live-interactions/error-auth.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/live-interactions/loading.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/live-interactions/retry.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/markdown-cjk-strong/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "CJK strong emphasis" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/markdown-images/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Markdown image policy" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/markdown-inline-code-links/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Inline code links" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/math-rendering/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Math rendering" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/message-actions/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Use the read tool twice" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/navigation-panes/trajectory.expected.md

@@ -2,7 +2,6 @@
   - button "Use actual duration": Duration
   - button "Collapse turns": Turns
   - button "Collapse calls": Calls
-  - button "Export session log": Export
   - img
   - searchbox "Search trajectory"
 - region "Trajectory timeline":

apps/web/tests/snapshots/plan-review/approved.expected.md

@@ -3,6 +3,9 @@
     - 'button "Plan a small change: add" [disabled]'
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/question-composer/answered.expected.md

@@ -3,6 +3,9 @@
     - button "Use the ask_user_question tool to" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/queue-actions/collapsed.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/queue-actions/editing.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/queue-actions/layout.expected.md

@@ -3,6 +3,9 @@
     - button "workspace" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/queue-actions/preserved.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/queue-actions/ui.expected.md

@@ -3,6 +3,9 @@
     - button "Reply with a one-sentence description" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/seeded-history/command-row.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Use the read tool twice" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/seeded-history/feedback-row.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Use the read tool twice" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/seeded-history/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Use the read tool twice" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/skill-tool-row/ui.expected.md

@@ -1,6 +1,9 @@
 - banner:
   - navigation "Session hierarchy":
     - button "Load the snapshot-skill skill with" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/skill-user-invoke/ui.expected.md

@@ -3,6 +3,9 @@
     - button "/user-invoke-demo and confirm the fixtur" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/steer-all/mid-steer.expected.md

@@ -3,6 +3,9 @@
     - button "Use the ask_user_question tool to" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/steer-all/settled.expected.md

@@ -3,6 +3,9 @@
     - button "Use the ask_user_question tool to" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/steering/mid-steer.expected.md

@@ -3,6 +3,9 @@
     - button "Use the ask_user_question tool to" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/steering/settled.expected.md

@@ -3,6 +3,9 @@
     - button "Use the ask_user_question tool to" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/subagent-conversation/nested.expected.md

@@ -5,6 +5,9 @@
     - button "event-sourcing researcher"
     - text: /
     - button "example editor" [disabled]
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/subagent-conversation/ui.expected.md

@@ -8,6 +8,9 @@
   - button "1 subagent":
     - text: 1 subagent
     - img
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/subagent-interrupt/offline-composer.expected.md

@@ -5,6 +5,9 @@
     - button "event-sourcing researcher" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/turn-tail-actions/running.expected.md

@@ -3,6 +3,9 @@
     - button "Begin your reply with the" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/turn-tail-actions/settled.expected.md

@@ -3,6 +3,9 @@
     - button "Begin your reply with the" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"

apps/web/tests/snapshots/web-search-round/ui.expected.md

@@ -3,6 +3,9 @@
     - button "Use web_search to search exactly" [disabled]
   - img
   - text: Standard mode
+  - button "Session log":
+    - text: Session log
+    - img
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"