# -*- coding: utf-8 -*-
"""票 06：BOM 扫描（AGENTS.md 强制项）——本次改动的全部 java 文件，含 UTF-8 BOM 即报。"""
import io, sys, os
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')

roots = [
    r'e:\code\crm-backend-matt\crm-opportunity\src',
    r'e:\code\crm-backend-matt\crm-rule\src',
]
bad, n = [], 0
for root in roots:
    for dirpath, _, files in os.walk(root):
        for f in files:
            if not f.endswith('.java'):
                continue
            n += 1
            p = os.path.join(dirpath, f)
            with open(p, 'rb') as fh:
                if fh.read(3) == b'\xef\xbb\xbf':
                    bad.append(p)

print(f"scanned {n} java files")
if bad:
    print("BOM FOUND:")
    for p in bad:
        print("  " + p)
    sys.exit(1)
print("OK: no BOM")