Function structuredOutput

packages/agent-core/src/session/hooks/runner.ts:153–181

(
  stdout: string,
)

}

function structuredOutput(
  stdout: string,
): { action?: 'block'; reason?: string; message?: string; structuredOutput: true } | undefined {
  const text = stdout.trim();
  if (text.length === 0) return undefined;

  try {
    const parsed = JSON.parse(text) as unknown;
    const output = HookJsonOutputSchema.safeParse(parsed);
    if (!output.success) return undefined;

    const { message, hookSpecificOutput } = output.data;
    const result = {
      message: message ?? hookSpecificOutput?.message,
      structuredOutput: true as const,
    };
    if (hookSpecificOutput?.permissionDecision !== 'deny') {
      return result;
    }
    return {
      action: 'block',
      message: result.message,
      reason: hookSpecificOutput.permissionDecisionReason,
      structuredOutput: true,
    };
  } catch {
    return undefined;
  }
}

function allowResult(input: {
  readonly message?: string;