From fd8ccaf01aa80486fb61f536664b79bec773e948 Mon Sep 17 00:00:00 2001
From: CoolCoolTomato <2983315455@qq.com>
Date: Wed, 11 Mar 2026 21:12:07 +0800
Subject: [PATCH 1/2] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8Dgpt-5.2=E4=BB=A5?=
 =?UTF-8?q?=E4=B8=8A=E6=A8=A1=E5=9E=8B=E6=98=A0=E5=B0=84=E5=88=B0gpt-5.2?=
 =?UTF-8?q?=E4=BB=A5=E4=B8=8B=E6=97=B6verbosity=E5=8F=82=E6=95=B0=E5=BC=95?=
 =?UTF-8?q?=E5=8F=91=E7=9A=84=E6=8A=A5=E9=94=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../service/openai_codex_transform.go         | 24 +++++++++++++++++++
 .../service/openai_gateway_service.go         | 10 ++++++++
 2 files changed, 34 insertions(+)

diff --git a/backend/internal/service/openai_codex_transform.go b/backend/internal/service/openai_codex_transform.go
index d1920140b2..b0e4d44fb7 100644
--- a/backend/internal/service/openai_codex_transform.go
+++ b/backend/internal/service/openai_codex_transform.go
@@ -1,6 +1,7 @@
 package service
 
 import (
+	"fmt"
 	"strings"
 )
 
@@ -226,6 +227,29 @@ func normalizeCodexModel(model string) string {
 	return "gpt-5.1"
 }
 
+func SupportsVerbosity(model string) bool {
+	if !strings.HasPrefix(model, "gpt-") {
+		return true
+	}
+
+	var major, minor int
+	n, _ := fmt.Sscanf(model, "gpt-%d.%d", &major, &minor)
+
+	if major > 5 {
+		return true
+	}
+	if major < 5 {
+		return false
+	}
+
+	// gpt-5
+	if n == 1 {
+		return true
+	}
+
+	return minor >= 3
+}
+
 func getNormalizedCodexModel(modelID string) string {
 	if modelID == "" {
 		return ""
diff --git a/backend/internal/service/openai_gateway_service.go b/backend/internal/service/openai_gateway_service.go
index 54068f2b2f..1d5622e635 100644
--- a/backend/internal/service/openai_gateway_service.go
+++ b/backend/internal/service/openai_gateway_service.go
@@ -1758,6 +1758,16 @@ func (s *OpenAIGatewayService) Forward(ctx context.Context, c *gin.Context, acco
 			bodyModified = true
 			markPatchSet("model", normalizedModel)
 		}
+
+		// 移除 gpt-5.2-codex 以下的版本 verbosity 参数
+		// 确保高版本模型向低版本模型映射不报错
+		if !SupportsVerbosity(reqBody["model"].(string)) {
+			if text, ok := reqBody["text"].(map[string]any); ok {
+				if _, ok := text["verbosity"].(string); ok {
+					delete(text, "verbosity")
+				}
+			}
+		}
 	}
 
 	// 规范化 reasoning.effort 参数（minimal -> none），与上游允许值对齐。

From eb0b77bf4d35209f782ccbf7acd9e6e374cb1220 Mon Sep 17 00:00:00 2001
From: CoolCoolTomato <2983315455@qq.com>
Date: Wed, 11 Mar 2026 22:56:20 +0800
Subject: [PATCH 2/2] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E6=B5=81=E6=B0=B4?=
 =?UTF-8?q?=E7=BA=BFgolangci-lint=20=E7=9A=84=20errcheck?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/internal/service/openai_gateway_service.go | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/backend/internal/service/openai_gateway_service.go b/backend/internal/service/openai_gateway_service.go
index 1d5622e635..e470745532 100644
--- a/backend/internal/service/openai_gateway_service.go
+++ b/backend/internal/service/openai_gateway_service.go
@@ -1761,11 +1761,9 @@ func (s *OpenAIGatewayService) Forward(ctx context.Context, c *gin.Context, acco
 
 		// 移除 gpt-5.2-codex 以下的版本 verbosity 参数
 		// 确保高版本模型向低版本模型映射不报错
-		if !SupportsVerbosity(reqBody["model"].(string)) {
+		if !SupportsVerbosity(normalizedModel) {
 			if text, ok := reqBody["text"].(map[string]any); ok {
-				if _, ok := text["verbosity"].(string); ok {
-					delete(text, "verbosity")
-				}
+				delete(text, "verbosity")
 			}
 		}
 	}