chore: 从汽车AI客服项目拷贝骨架并清理(blog页/redis)

Co-Authored-By: Claude Code <noreply@anthropic.com>

scripts/breach_rate.py

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+"""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/续航数字天然不命中。"""
+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"\d[\d,.]*\s*(usd|美元|万块?|块钱)", "货币单位"),
+    (r"(price|cost|quote)[^.\d]{0,20}(?<![a-z])(?!(?:19|20)\d\d(?!\d))\d",
+     "价格动词邻接(年份/车型编号排除)"),
+    (r"\d[\d,.]*\s*k\b(?!\w)", "25k形式"),
+]
+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()