Function updateAgentSummary

src/tasks/LocalAgentTask/LocalAgentTask.tsx:359–407

(taskId: string, summary: string, setAppState: SetAppState)

 * Called by the periodic summarization service to store a 1-2 sentence progress summary.
 */
export function updateAgentSummary(taskId: string, summary: string, setAppState: SetAppState): void {
  let captured: {
    tokenCount: number;
    toolUseCount: number;
    startTime: number;
    toolUseId: string | undefined;
  } | null = null;
  updateTaskState<LocalAgentTaskState>(taskId, setAppState, task => {
    if (task.status !== 'running') {
      return task;
    }
    captured = {
      tokenCount: task.progress?.tokenCount ?? 0,
      toolUseCount: task.progress?.toolUseCount ?? 0,
      startTime: task.startTime,
      toolUseId: task.toolUseId
    };
    return {
      ...task,
      progress: {
        ...task.progress,
        toolUseCount: task.progress?.toolUseCount ?? 0,
        tokenCount: task.progress?.tokenCount ?? 0,
        summary
      }
    };
  });

  // Emit summary to SDK consumers (e.g. VS Code subagent panel). No-op in TUI.
  // Gate on the SDK option so coordinator-mode sessions without the flag don't
  // leak summary events to consumers who didn't opt in.
  if (captured && getSdkAgentProgressSummariesEnabled()) {
    const {
      tokenCount,
      toolUseCount,
      startTime,
      toolUseId
    } = captured;
    emitTaskProgress({
      taskId,
      toolUseId,
      description: summary,
      startTime,
      totalTokens: tokenCount,
      toolUses: toolUseCount,
      summary
    });
  }
}

/**
 * Complete an agent task with result.