From 2c856b67caf23808a9cc3f59ecd7a2a84916fd18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=81=B7=E5=BE=97=E6=B5=AE=E7=94=9F?=
 <126544274+imfusheng@users.noreply.github.com>
Date: Sun, 5 Apr 2026 13:00:23 +0800
Subject: [PATCH 1/2] Update oauth.go

---
 backend/internal/pkg/antigravity/oauth.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/internal/pkg/antigravity/oauth.go b/backend/internal/pkg/antigravity/oauth.go
index 8a8bed92..7c963d9e 100644
--- a/backend/internal/pkg/antigravity/oauth.go
+++ b/backend/internal/pkg/antigravity/oauth.go
@@ -50,7 +50,7 @@ const (
 )
 
 // defaultUserAgentVersion 可通过环境变量 ANTIGRAVITY_USER_AGENT_VERSION 配置，默认 1.20.5
-var defaultUserAgentVersion = "1.20.5"
+var defaultUserAgentVersion = "1.21.9"
 
 // defaultClientSecret 可通过环境变量 ANTIGRAVITY_OAUTH_CLIENT_SECRET 配置
 var defaultClientSecret = "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"

From 66779f1c5f88b6b5648e093ba7e91cf108a1d52d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=81=B7=E5=BE=97=E6=B5=AE=E7=94=9F?=
 <126544274+imfusheng@users.noreply.github.com>
Date: Sun, 5 Apr 2026 13:01:28 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E5=90=8C=E6=AD=A5ag=E7=89=88=E6=9C=AC?=
 =?UTF-8?q?=E5=8F=B7?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/internal/pkg/antigravity/oauth_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/internal/pkg/antigravity/oauth_test.go b/backend/internal/pkg/antigravity/oauth_test.go
index 3a093fe6..9850af17 100644
--- a/backend/internal/pkg/antigravity/oauth_test.go
+++ b/backend/internal/pkg/antigravity/oauth_test.go
@@ -690,7 +690,7 @@ func TestConstants_值正确(t *testing.T) {
 	if RedirectURI != "http://localhost:8085/callback" {
 		t.Errorf("RedirectURI 不匹配: got %s", RedirectURI)
 	}
-	if GetUserAgent() != "antigravity/1.20.5 windows/amd64" {
+	if GetUserAgent() != "antigravity/1.21.9 windows/amd64" {
 		t.Errorf("UserAgent 不匹配: got %s", GetUserAgent())
 	}
 	if SessionTTL != 30*time.Minute {