Function executeStopHooks

src/utils/hooks.ts:3730–3792

(
  permissionMode?: string,
  signal?: AbortSignal,
  timeoutMs: number = TOOL_HOOK_EXECUTION_TIMEOUT_MS,
  stopHookActive: boolean = false,
  subagentId?: AgentId,
  toolUseContext?: ToolUseContext,
  messages?: Message[],
  agentType?: string,
  requestPrompt?: (
    sourceName: string,
    toolInputSummary?: string | null,
  ) => (request: PromptRequest) => Promise<PromptResponse>,
)

 * @returns Async generator that yields progress messages and blocking errors
 */
export async function* executeStopHooks(
  permissionMode?: string,
  signal?: AbortSignal,
  timeoutMs: number = TOOL_HOOK_EXECUTION_TIMEOUT_MS,
  stopHookActive: boolean = false,
  subagentId?: AgentId,
  toolUseContext?: ToolUseContext,
  messages?: Message[],
  agentType?: string,
  requestPrompt?: (
    sourceName: string,
    toolInputSummary?: string | null,
  ) => (request: PromptRequest) => Promise<PromptResponse>,
): AsyncGenerator<AggregatedHookResult> {
  const hookEvent = subagentId ? 'SubagentStop' : 'Stop'
  const appState = toolUseContext?.getAppState()
  const sessionId = toolUseContext?.agentId ?? getSessionId()
  if (!hasHookForEvent(hookEvent, appState, sessionId)) {
    return
  }

  // Extract text content from the last assistant message so hooks can
  // inspect the final response without reading the transcript file.
  const lastAssistantMessage = messages
    ? getLastAssistantMessage(messages)
    : undefined
  const lastAssistantContent = lastAssistantMessage?.message?.content
  const lastAssistantText = lastAssistantMessage
    ? (Array.isArray(lastAssistantContent)
        ? extractTextContent(lastAssistantContent as readonly { readonly type: string }[], '\n').trim()
        : typeof lastAssistantContent === 'string'
          ? lastAssistantContent.trim()
          : '') || undefined
    : undefined

  const hookInput: StopHookInput | SubagentStopHookInput = subagentId
    ? {
        ...createBaseHookInput(permissionMode),
        hook_event_name: 'SubagentStop',
        stop_hook_active: stopHookActive,
        agent_id: subagentId,
        agent_transcript_path: getAgentTranscriptPath(subagentId),
        agent_type: agentType ?? '',
        last_assistant_message: lastAssistantText,
      }
    : {
        ...createBaseHookInput(permissionMode),
        hook_event_name: 'Stop',
        stop_hook_active: stopHookActive,
        last_assistant_message: lastAssistantText,
      }

  // Trust check is now centralized in executeHooks()
  yield* executeHooks({
    hookInput,
    toolUseID: randomUUID(),
    signal,
    timeoutMs,