Merge remote-tracking branch 'upstream/master' into feat/produced-files-folder

packages/client/runtime/tests/manager.spec.ts

@@ -334,6 +334,7 @@ describe('subagent catalogs', () => {
       {
         parentSessionId: S1, childSessionId: S2, mode: 'continuable',
         content: [{ type: 'text', text: 'continue' }],
+        clientTimeZone: new Intl.DateTimeFormat().resolvedOptions().timeZone,
       },
     ])
     expect(api.callsOf('session.history')).toEqual([])

packages/client/runtime/tests/session.spec.ts

@@ -465,6 +465,7 @@ describe('prompt and cancel errors', () => {
       {
         parentSessionId: PARENT, childSessionId: SID, mode: 'continuable',
         content: [{ type: 'text', text: '继续' }],
+        clientTimeZone: new Intl.DateTimeFormat().resolvedOptions().timeZone,
       },
     ])
     expect(api.callsOf('subagent.interrupt')).toEqual([
@@ -530,7 +531,12 @@ describe('prompt and cancel errors', () => {
     expect(result.ok).toBe(true)
     // Monotone: settlement alone does not step the phase anywhere.
     expect(session.getSnapshot().composerPhase).toBe('engaging')
-    expect(api.callsOf('session.prompt')).toMatchObject([{ sessionId: SID, mode: 'queue', content: [{ type: 'text', text: '要发的' }] }])
+    expect(api.callsOf('session.prompt')).toMatchObject([{
+      sessionId: SID,
+      mode: 'queue',
+      content: [{ type: 'text', text: '要发的' }],
+      clientTimeZone: new Intl.DateTimeFormat().resolvedOptions().timeZone,
+    }])
     // First content lands (running turn): engaging → active.
     session.handleRunning(true)
     expect(session.getSnapshot().composerPhase).toBe('active')

packages/client/runtime/tests/time-zone.spec.ts

@@ -0,0 +1,24 @@
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { resolvedClientTimeZone } from '../src/client/time-zone.ts'
+
+afterEach(() => {
+  vi.restoreAllMocks()
+})
+
+describe('browser time zone', () => {
+  it('returns the runtime-resolved zone', () => {
+    expect(resolvedClientTimeZone()).toBe(
+      new Intl.DateTimeFormat().resolvedOptions().timeZone,
+    )
+  })
+
+  it.each([undefined, ''])('fails loud when the runtime exposes no zone %#', (timeZone) => {
+    const options = new Intl.DateTimeFormat().resolvedOptions()
+    vi.spyOn(Intl.DateTimeFormat.prototype, 'resolvedOptions').mockReturnValue({
+      ...options,
+      timeZone: timeZone as string,
+    })
+
+    expect(() => resolvedClientTimeZone()).toThrow('browser time zone is unavailable')
+  })
+})