fix(config): Handle null alterId in VMess proxy config (#842)

* fix(config): Gracefully handle null alterId in proxy configurations

* Fix wrong AI based changes

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Co-authored-by: Kittros <yuan364299311@gmail.com>

sub/clashService.go

@@ -129,7 +129,11 @@ func (s *ClashService) ConvertToClashMeta(outbounds *[]map[string]interface{}) (
 		case "vmess", "vless", "tuic":
 			proxy["uuid"] = obMap["uuid"]
 			if t == "vmess" {
-				proxy["alterId"] = obMap["alter_id"]
+				if alterId, ok := obMap["alter_id"].(float64); ok {
+					proxy["alterId"] = int(alterId)
+				} else {
+					proxy["alterId"] = 0
+				}
 				proxy["cipher"] = "auto"
 			}
 			if t == "vless" {