# -*- coding: utf-8 -*-
"""票 04：备份 e2e-core 原始报告（防 F11/F12 部分回归运行覆盖）。"""
import io, sys, shutil, os
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')

d = r'e:\code\crm-backend-matt\.scratch\opportunity-e2e'
for name in ('report-core.md', 'e2e-core-result.json'):
    src = os.path.join(d, name)
    if os.path.exists(src):
        dst = os.path.join(d, name + '.bak-pre-t04')
        shutil.copy2(src, dst)
        print(f'backed up {name} -> {name}.bak-pre-t04 ({os.path.getsize(src)} bytes)')
    else:
        print(f'{name} 不存在（跳过）')