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>

tests/test_company_facts.py

@@ -0,0 +1,70 @@
+"""公司事实卡: 拼接位置与墙安全性静态测试。"""
+from pathlib import Path
+
+from app.services.ai_service import AIService, COMPANY_FACTS, SYSTEM_PROMPT
+
+FACTS_PATH = Path("app/prompts/company_facts.md")
+
+
+class _CapturingProvider:
+    def __init__(self):
+        self.prompts = []
+
+    async def chat(self, messages, system_prompt):
+        self.prompts.append(system_prompt)
+        return "ok"
+
+    async def stream_chat(self, messages, system_prompt):
+        self.prompts.append(system_prompt)
+        for t in ("ok",):
+            yield t
+
+
+def test_facts_concatenated_between_system_and_context():
+    # 顺序: 行为 prompt → 事实卡 → 当轮提醒(提醒必须最后,保持最新鲜)
+    svc = AIService(provider=_CapturingProvider())
+    svc.provider.prompts.clear()
+    import asyncio
+    asyncio.run(svc.chat([{"role": "user", "content": "hi"}], context="⚠️ 提醒"))
+    p = svc.provider.prompts[0]
+    assert "Hesu" in p                          # 事实在场
+    assert p.index(SYSTEM_PROMPT) < p.index(COMPANY_FACTS) < p.index("⚠️ 提醒")
+
+
+def test_facts_absent_from_extractor_prompt():
+    # extractor/evaluator 不拼事实卡(它们有自己的 prompt,不该看到公司事实)
+    from app.services.ai_service import EVALUATOR_PROMPT, EXTRACTOR_PROMPT
+    assert "Hesu" not in EXTRACTOR_PROMPT
+    assert "Hesu" not in EVALUATOR_PROMPT
+
+
+from app.services.boundary_filter import (
+    no_contact_value, split_sentences, violates_boundary,
+)
+
+
+def _fact_sentences():
+    # 注: 事实卡是无句读的 markdown 列表,多行会合并成大句块——无害,
+    # 检测是 search 式,违规在任何块内都能命中(草案已实证过两墙全清)
+    complete, tail = split_sentences(COMPANY_FACTS)
+    return complete + ([tail] if tail else [])
+
+
+def test_facts_pass_both_output_walls():
+    # AI 原样引用事实也必须安全: 每句过价格墙+零号码墙
+    # (陷阱实证: "五万"会被裸预算模式击杀、"累计出口五万台"→整句被替换成要号话术)
+    for s in _fact_sentences():
+        assert not violates_boundary(s), s[:60]
+        assert not no_contact_value(s), s[:60]
+
+
+def test_facts_length_capped():
+    # 防营销手册化: 事实卡是卡片不是 brochure——超限=该精简或走检索方案
+    assert len(COMPANY_FACTS) < 2500
+
+
+def test_facts_no_contact_channel():
+    # 我方联系方式绝不入卡(红线: web 指按钮/App 反向留资)
+    # 只查确定性标记: 邮箱@与 wa.me 链接("WhatsApp"品牌词是合法内容,不作标记)
+    assert "@" not in COMPANY_FACTS
+    assert "wa.me" not in COMPANY_FACTS.lower()