From b2f2dff6fdc3cbc763bfee10bdcb5d56ba31716b Mon Sep 17 00:00:00 2001
From: AutumnNazi <104422820+AutumnNazi@users.noreply.github.com>
Date: Sun, 26 Jul 2026 20:35:07 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20fix(tabs):=20=E6=81=A2=E5=A4=8D?=
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- 恢复 V2 工作区活动标签顶部绿色强调条
- 保留标签四角圆角与顶部伪元素屏蔽逻辑
- 更新活动标签视觉回归断言
---
 frontend/src/components/TabManager.adaptive-width.test.ts | 6 +++---
 frontend/src/v2-theme.css                                 | 4 ++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/frontend/src/components/TabManager.adaptive-width.test.ts b/frontend/src/components/TabManager.adaptive-width.test.ts
index 8f739e36..254438b8 100644
--- a/frontend/src/components/TabManager.adaptive-width.test.ts
+++ b/frontend/src/components/TabManager.adaptive-width.test.ts
@@ -52,12 +52,12 @@ describe('v2 workbench adaptive tab width', () => {
     );
   });
 
-  it('rounds all four corners without drawing an accent bar above the active tab', () => {
+  it('rounds all four corners and highlights the active tab from within its border', () => {
     expect(themeSource).toMatch(
       /\.gn-v2-main-tabs \.ant-tabs-tab \{[^}]*border-radius: 8px !important;/s,
     );
-    expect(themeSource).not.toMatch(
-      /\.gn-v2-main-tabs \.ant-tabs-tab\.ant-tabs-tab-active \{[^}]*box-shadow:/s,
+    expect(themeSource).toMatch(
+      /\.gn-v2-main-tabs \.ant-tabs-tab\.ant-tabs-tab-active \{[^}]*box-shadow: inset 0 2px 0 var\(--gn-accent\) !important;/s,
     );
     expect(themeSource).toMatch(
       /\.gn-v2-main-tabs \.ant-tabs-tab\.ant-tabs-tab-active::after \{[^}]*display: none;/s,
diff --git a/frontend/src/v2-theme.css b/frontend/src/v2-theme.css
index d2688041..163c41c9 100644
--- a/frontend/src/v2-theme.css
+++ b/frontend/src/v2-theme.css
@@ -3713,6 +3713,10 @@ body[data-ui-version="v2"] .gn-v2-main-tabs .ant-tabs-tab {
   border-radius: 8px !important;
 }
 
+body[data-ui-version="v2"] .gn-v2-main-tabs .ant-tabs-tab.ant-tabs-tab-active {
+  box-shadow: inset 0 2px 0 var(--gn-accent) !important;
+}
+
 body[data-ui-version="v2"] .gn-v2-main-tabs .ant-tabs-tab.ant-tabs-tab-active::after {
   display: none;
 }