fix: add enable max ai answer switch default disable max ai answer

ws/ws.go

@@ -17,6 +17,8 @@ import (
 
 const (
 	MaxAIAnswerCycleTimes int = 3
+
+	EnableMaxAIAnswer = false
 )
 
 type User struct {
@@ -152,5 +154,10 @@ func UpdateVisitorUser(visitorId string, toId string) {
 }
 
 func AIAnswerAvailable(u *User) bool {
+	if !EnableMaxAIAnswer {
+		// 未开启最大AI回复轮次则永远不进入人工
+		return true
+
+	}
 	return u.AIAnswerCycle < MaxAIAnswerCycleTimes
 }