fix: preserve explicit zero values in native relay requests

relay/compatible_handler.go

@@ -21,6 +21,7 @@ import (
 	"github.com/QuantumNous/new-api/setting/operation_setting"
 	"github.com/QuantumNous/new-api/setting/ratio_setting"
 	"github.com/QuantumNous/new-api/types"
+	"github.com/samber/lo"
 
 	"github.com/shopspring/decimal"
 
@@ -56,7 +57,7 @@ func TextHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *types
 	}
 
 	// 如果不支持StreamOptions，将StreamOptions设置为nil
-	if !info.SupportStreamOptions || !request.Stream {
+	if !info.SupportStreamOptions || !lo.FromPtrOr(request.Stream, false) {
 		request.StreamOptions = nil
 	} else {
 		// 如果支持StreamOptions，且请求中没有设置StreamOptions，根据配置文件设置StreamOptions