Fix mobile structured turn state

mobile/src/session/MobileStructuredAgentSessionView.test.tsx

@@ -1,6 +1,7 @@
 import { createElement, type ComponentProps } from 'react'
 import { act, create, type ReactTestRenderer } from 'react-test-renderer'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import type { AgentJournalRenderItem } from '../../../src/shared/agent-session-journal-types'
 import type { MobileNativeChatSessionOptionsController } from './use-mobile-native-chat-session-options'
 import { MobileStructuredAgentSessionView } from './MobileStructuredAgentSessionView'
 
@@ -47,6 +48,18 @@ function options(): MobileNativeChatSessionOptionsController {
   }
 }
 
+const ACTIVE_TURN_ITEM: AgentJournalRenderItem = {
+  itemId: 'status-1',
+  revision: 1,
+  body: {
+    kind: 'status',
+    text: 'working',
+    turnLifecycle: { turnId: 'turn-1', state: 'running' }
+  },
+  sequence: 1,
+  observedAt: 1
+}
+
 describe('MobileStructuredAgentSessionView command seam', () => {
   let renderer: ReactTestRenderer | null = null
   const onSend = vi.fn(async () => true)
@@ -144,6 +157,18 @@ describe('MobileStructuredAgentSessionView command seam', () => {
     expect(empty.props.children[0].props.children).toBe('New Claude chat')
   })
 
+  it('marks session options working while a turn is active', () => {
+    act(() => {
+      renderer!.update(
+        createElement(MobileStructuredAgentSessionView, props({ items: [ACTIVE_TURN_ITEM] }))
+      )
+    })
+
+    expect(
+      renderer!.root.findByType('MobileNativeChatComposer').props.sessionOptions
+    ).toMatchObject({ isWorking: true })
+  })
+
   it('keeps the composer enabled and routes stable TUI ownership through its bridge', async () => {
     act(() => {
       renderer!.update(

mobile/src/session/MobileStructuredAgentSessionView.tsx

@@ -100,6 +100,7 @@ export function MobileStructuredAgentSessionView(props: Props): React.JSX.Elemen
     props.handoff === null ||
     props.handoff === undefined ||
     (props.handoff.owner === 'native' && props.handoff.phase === 'idle')
+  const isWorking = turnId !== null
   const composerEnabled = props.status === 'ready' && (stableNativeOwner || stableTuiOwner)
   const rows = useMemo(
     () => buildMobileStructuredTimeline(props.items, props.outbox),
@@ -131,7 +132,7 @@ export function MobileStructuredAgentSessionView(props: Props): React.JSX.Elemen
     <View style={styles.root}>
       <MobileStructuredHandoffBanner
         status={props.handoff}
-        isWorking={turnId !== null}
+        isWorking={isWorking}
         onRequest={props.onRequestHandoff}
       />
       <FlatList
@@ -276,7 +277,7 @@ export function MobileStructuredAgentSessionView(props: Props): React.JSX.Elemen
         }}
         agent={props.agent}
         slashCommands={slashCommands}
-        sessionOptions={{ controller: props.sessionOptions, isWorking: false }}
+        sessionOptions={{ controller: props.sessionOptions, isWorking }}
         onAttachImage={props.onAttachImage}
         attachments={allAttachments}
         onRemoveAttachment={(id) => {

mobile/src/session/mobile-structured-composer-command.ts

@@ -1,18 +1,28 @@
 import {
   dispatchStructuredAgentSessionComposerCommand,
   isStructuredAgentSessionComposerCommand,
-  structuredAgentSessionSlashCommands,
   STRUCTURED_AGENT_SESSION_SLASH_COMMANDS,
   type StructuredAgentSessionCommandOutcome
 } from '../../../src/shared/structured-agent-session-composer'
+import { getVerifiedNativeChatCommands } from '../../../src/shared/native-chat-agent-profiles'
+import type { SlashCommandSuggestion } from '../../../src/shared/native-chat-slash-commands'
 import type { MobileStructuredAgent } from './mobile-structured-session-create'
 import type { MobileNativeChatSessionOptionsController } from './use-mobile-native-chat-session-options'
 
 export const MOBILE_STRUCTURED_SLASH_COMMANDS = STRUCTURED_AGENT_SESSION_SLASH_COMMANDS
 export type MobileStructuredCommandOutcome = StructuredAgentSessionCommandOutcome
 
-export function mobileStructuredSlashCommands(agent: MobileStructuredAgent) {
-  return structuredAgentSessionSlashCommands(agent)
+const STRUCTURED_COMMAND_PREFIX: readonly SlashCommandSuggestion[] = [
+  { name: 'model', description: 'Choose the model and reasoning effort' },
+  { name: 'effort', description: 'Choose reasoning effort' }
+]
+
+export function mobileStructuredSlashCommands(
+  agent: MobileStructuredAgent
+): readonly SlashCommandSuggestion[] {
+  return agent === 'codex'
+    ? STRUCTURED_AGENT_SESSION_SLASH_COMMANDS
+    : [...STRUCTURED_COMMAND_PREFIX, ...getVerifiedNativeChatCommands(agent)]
 }
 
 export function isMobileStructuredComposerCommand(