feat: main 集成(路由挂载/trace 中间件/lifespan) + B7 挂账收口(引擎工厂/统一错误体/锁公共化/L3 缓存 DEL/死代码清理/处置原子事务/启动期 debug 校验, B7)

tests/test_risk_engine.py

@@ -22,10 +22,14 @@ from app.service.risk.scoring import recompute_customer_score
 class FakePublisher:
     def __init__(self):
         self.messages = []
+        self.deletes = []
 
     def publish(self, channel, payload):
         self.messages.append((channel, payload))
 
+    def delete(self, *keys):
+        self.deletes.append(keys)
+
 
 @pytest.fixture()
 def env():