"""输出格式化 — JSON (大模型友好) / Text (人类可读)"""

import json
import sys


def output_json(data, file=None):
    file = file or sys.stdout
    json.dump(data, file, ensure_ascii=False, indent=2)
    file.write('\n')


def output_text(text, file=None):
    file = file or sys.stdout
    file.write(text)
    if not text.endswith('\n'):
        file.write('\n')


def output(data, fmt='json', file=None):
    if fmt == 'json':
        output_json(data, file)
    else:
        if isinstance(data, str):
            output_text(data, file)
        elif isinstance(data, dict) and 'text' in data:
            output_text(data['text'], file)
        else:
            output_json(data, file)