fix(native-chat): keep Claude option controls idle

mobile/src/session/use-mobile-structured-session-options.ts

@@ -1,6 +1,9 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { getAgentSessionOptionCatalog } from '../../../src/shared/agent-session-option-catalog'
-import type { AgentSessionOptionsResult } from '../../../src/shared/agent-session-wire'
+import type {
+  AgentSessionOptionResult,
+  AgentSessionOptionsResult
+} from '../../../src/shared/agent-session-wire'
 import type { SessionOptionValue } from '../../../src/shared/native-chat-session-options'
 import {
   applyStructuredAgentSessionOptions,
@@ -9,7 +12,6 @@ import {
   createStructuredAgentSessionOptionState,
   structuredAgentSessionOptionSnapshot
 } from '../../../src/shared/structured-agent-session-options'
-import type { AgentSessionOptionResult } from '../../../src/shared/agent-session-wire'
 import type { RpcClient } from '../transport/rpc-client'
 import type { MobileStructuredAgent } from './mobile-structured-session-create'
 import type { MobileNativeChatSessionOptionsController } from './use-mobile-native-chat-session-options'

src/main/claude/claude-structured-journal-translation.test.ts

@@ -173,6 +173,15 @@ describe('Claude structured journal translation', () => {
     })
   })
 
+  it('ignores empty user frames emitted by control-only requests', () => {
+    const state = sinkState()
+    const translator = createClaudeJournalTranslator({ sink: state.sink })
+
+    translator.handle(message('user', 'control-only', []))
+
+    expect(state.items).toEqual([])
+  })
+
   it('creates addressable approval and multi-question cards and cancels them durably', () => {
     const state = sinkState()
     const bindings: unknown[][] = []

src/main/claude/claude-structured-journal-translation.ts

@@ -195,7 +195,11 @@ export function createClaudeJournalTranslator(
       })
       changed = true
     }
-    if (envelope.role === 'user' && message.parent_tool_use_id === null) {
+    if (
+      envelope.role === 'user' &&
+      envelope.content.length > 0 &&
+      message.parent_tool_use_id === null
+    ) {
       if (currentTurn) {
         publishLifecycle(currentTurn.sessionId, currentTurn.turnId, false)
       }