test(web): pin replay timezone and await UI settlement

apps/web/tests/chat-scroll-contract.e2e.ts

@@ -649,6 +649,7 @@ describe('web e2e: long Chat scroll contract', () => {
       const readyPath = join(world.scaffold.workspaceCwd, TOOL_READY_FILE)
       const releasePath = join(world.scaffold.workspaceCwd, TOOL_RELEASE_FILE)
       await openSeed(world.page, TOOL_FIXTURE, TOOL_FIXTURE.markers.assistant(TOOL_FIXTURE.turns))
+      await expectBottom(world.page)
       const settled = world.scaffold.whenTurnSettled(60_000)
       let released = false
       try {

apps/web/tests/cordis-tool-round.e2e.ts

@@ -18,7 +18,7 @@ import {
   captureStableAria, compareOrRefreshGolden, fixtureUserPrompts,
   launchWebScaffold, recordFixture, watchConsole, webSnapshotMode, type WebScaffold,
 } from './scaffold.ts'
-import { connectFreshWorkspace, expandOwningTurnProcess, saveFailureShot } from './support.ts'
+import { connectFreshWorkspace, expandOwningTurnProcess, newEnglishPage, saveFailureShot } from './support.ts'
 
 const FIXTURE = fileURLToPath(new URL('../../../snapshots/web/cordis-tool-round/session.v2.jsonl', import.meta.url))
 const UI_EXPECTED = fileURLToPath(new URL('../../../snapshots/web/cordis-tool-round/ui.expected.md', import.meta.url))
@@ -83,11 +83,7 @@ describe('web e2e: Cordis tools use their owned cards', () => {
       if (key === 'modelSelection') modelChanges.push(`${String(seq)}:${JSON.stringify(value)}`)
     })
     browser = await chromium.launch()
-    page = await browser.newPage({
-      viewport: { width: 1680, height: 1000 },
-      locale: 'en-US',
-      timezoneId: 'Asia/Shanghai',
-    })
+    page = await newEnglishPage(browser)
     page.on('websocket', (socket) => {
       socket.on('framereceived', (frame) => {
         const payload = String(frame.payload)

apps/web/tests/feedback-release.e2e.ts

@@ -82,6 +82,8 @@ describe.each(MODE === 'record' ? ['deepseek-official'] : ['deepseek-official',
     await page.getByRole('menuitem', { name: /^Model\b/ }).click()
     await page.getByRole('menuitemradio', { name, exact: true }).click()
     await expect.poll(() => trigger.getAttribute('aria-label')).toContain(name)
+    // The selection projection can precede the RPC reply that closes the menu.
+    await expect.poll(() => trigger.getAttribute('aria-expanded')).toBe('false')
   }
 
   beforeAll(async () => {

apps/web/tests/live-interactions.e2e.ts

@@ -100,7 +100,9 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
     scaffold = await launchWebScaffold({
       replayFixture: FIXTURE,
       ...(overridePath === undefined ? {} : { replayOverride: overridePath }),
-      ...(overridePath === undefined ? {} : { compareReplaySession: false }),
+      // Override streams use live timings; positive chunk spacing keeps the
+      // recovered response's decode duration and throughput observable.
+      ...(overridePath === undefined ? {} : { compareReplaySession: false, paceMs: 5 }),
       ...(retryPolicy === undefined ? {} : { replayRetryPolicy: retryPolicy }),
     })
     scaffold.ctx.on('session/event', (_session, event: SessionEvent) => { sessionEvents.push(event) })

apps/web/tests/support.ts

@@ -18,7 +18,7 @@ export const REPO_ROOT = fileURLToPath(new URL('../../..', import.meta.url))
 export const ZH_BROWSER_LOCALE = 'zh-CN'
 
 /**
- * Open the standard browser-test page advertising English before client boot.
+ * Open the standard browser-test page with English and the recorded Session timezone.
  * This keeps role locators and goldens deterministic while leaving the Host
  * settings document free to override the provisional browser-derived locale;
  * scenarios asserting the Chinese surface advertise
@@ -28,7 +28,7 @@ export const ZH_BROWSER_LOCALE = 'zh-CN'
  * @returns the initialized page.
  */
 export async function newEnglishPage(browser: Browser, height = 1000): Promise<Page> {
-  return await browser.newPage({ viewport: { width: 1680, height }, locale: 'en-US' })
+  return await browser.newPage({ viewport: { width: 1680, height }, locale: 'en-US', timezoneId: 'Asia/Shanghai' })
 }
 
 /**

apps/web/tests/workspace-management.e2e.ts

@@ -56,6 +56,7 @@ describe('web e2e: workspace management (create / rename / flat view / hover aff
     const pathInput = dialog.locator('input[aria-label="Edit path"]')
     await pathInput.fill(path)
     await pathInput.press('Enter')
+    await pathInput.waitFor({ state: 'hidden', timeout: 10_000 })
     return dialog
   }
 
@@ -68,7 +69,10 @@ describe('web e2e: workspace management (create / rename / flat view / hover aff
     await dialog.getByRole('button', { name: 'New folder' }).click()
     await page.getByLabel('Folder name').fill(name)
     await page.getByRole('button', { name: 'Create', exact: true }).click()
-    // Creating selects the new folder in the listing; Open adopts it.
+    // The create response closes the child dialog before its relist selects
+    // the new folder; adoption must wait for that selection.
+    await expect.poll(() => dialog.getByRole('list').getByRole('button', { name, exact: true }).getAttribute('aria-current'),
+      { timeout: 10_000 }).toBe('true')
     await dialog.getByRole('button', { name: 'Open', exact: true }).click()
     await dialog.waitFor({ state: 'hidden', timeout: 10_000 })
     await expect.poll(