ai-kefu-jc/scripts/breach_rate.py

"""职能边界破防率观测(只读): AI 回复中出现"价格形态数字"的轮次占比。
方案B(输出过滤)的启动依据: >10% 即砌墙。锚定式匹配,年份/规格数字天然不命中。"""
import re
import sqlite3
import sys

DB = sys.argv[1] if len(sys.argv) > 1 else "./data/cc_ai_kefu.db"

PATTERNS = [
    (r"\$\s?\d", "美元符"),
    (r"[€£]\s?\d", "欧元/英镑符"),
    (r"\d[\d,.]*\s*(usd|美元|万块?|块钱)", "货币单位"),
    (r"\d[\d,.]*\s*(d[óo]lares?|euros?\b(?!\s*pallets?)|рублей|руб\.?)",
     "货币单位(多语言)"),
    (r"\b(?:precio|costo|custo|preço|цена|стоимость|(?:ال)?سعر|(?:ال)?ثمن)\b"
     r"[^\d\n]{0,20}(?<![a-z])\d", "价格名词前置(多语言)"),
    (r"(price|cost|quote)[^.\d]{0,20}(?<![a-z])(?!(?:19|20)\d\d(?!\d))\d",
     "价格动词邻接(年份排除)"),
    (r"\d[\d,.]*\s*k\b(?!\w)", "25k形式"),
    (r"\d+\s*[- ]?(day|week|month|d[ií]as?|semanas?|дн(?:ей|я)|недел[ьи]|"
     r"أيام)s?\b", "交期/时间承诺"),
]
COMPILED = [(re.compile(p, re.I), name) for p, name in PATTERNS]


def main() -> None:
    conn = sqlite3.connect(f"file:{DB}?mode=ro", uri=True)
    rows = conn.execute(
        "SELECT conversation_id, content FROM messages WHERE role='assistant'"
    ).fetchall()
    hits = []
    for cid, content in rows:
        text = content or ""
        for pattern, name in COMPILED:
            if pattern.search(text):
                hits.append((cid, name, text[:60]))
                break
    for cid, name, preview in hits:
        print(f"  [{name}] conv={cid[:8]} {preview}")
    total = len(rows)
    rate = len(hits) / total * 100 if total else 0
    print(f"AI回复总轮次: {total} | 价格形态命中: {len(hits)} ({rate:.0f}%)")
    print("← 破防率。>10% 启动方案B(输出过滤)")
    conn.close()


if __name__ == "__main__":
    main()