继续收口平台分段与泥点确认

新增泥点确认状态机共享 hook 并接入拼图与抓大鹅工作台

将首页发现页与个人中心剩余切换条收口到 PlatformSegmentedTabs

统一平台弹窗 header 关闭入口并补齐相关测试

更新前端组件收口文档与团队决策记录

src/components/puzzle-result/PuzzleResultView.test.tsx

@@ -594,7 +594,7 @@ describe('PuzzleResultView', () => {
     expect(
       within(dialog).queryByRole('button', { name: /关卡测试/u }),
     ).toBeNull();
-    fireEvent.click(screen.getByLabelText('关闭'));
+    fireEvent.click(screen.getByLabelText('关闭关卡详情'));
     expect(screen.getAllByText('第2关').length).toBeGreaterThan(0);
 
     await act(async () => {
@@ -741,7 +741,7 @@ describe('PuzzleResultView', () => {
         { name: '确定' },
       ),
     );
-    fireEvent.click(screen.getByLabelText('关闭'));
+    fireEvent.click(screen.getByLabelText('关闭关卡详情'));
 
     expect(
       within(screen.getByLabelText('拼图关卡列表')).getAllByText('生成中')
@@ -790,11 +790,11 @@ describe('PuzzleResultView', () => {
       { levelId: 'puzzle-level-1' },
     );
 
-    fireEvent.click(screen.getByLabelText('关闭'));
+    fireEvent.click(screen.getByLabelText('关闭关卡详情'));
     openPuzzleLevelsTab();
     fireEvent.click(screen.getByRole('button', { name: /新增关卡/u }));
     expect(screen.getByRole('dialog', { name: '关卡详情' })).toBeTruthy();
-    fireEvent.click(screen.getByLabelText('关闭'));
+    fireEvent.click(screen.getByLabelText('关闭关卡详情'));
 
     fireEvent.click(screen.getByRole('button', { name: /发布/u }));
     const publishDialog = screen.getByRole('dialog', { name: '发布拼图作品' });

src/components/puzzle-result/PuzzleResultView.tsx

@@ -6,7 +6,6 @@ import {
   Play,
   Plus,
   Trash2,
-  X,
 } from 'lucide-react';
 import { useEffect, useMemo, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
@@ -28,6 +27,7 @@ import { PlatformFieldLabel } from '../common/PlatformFieldLabel';
 import { PlatformIconBadge } from '../common/PlatformIconBadge';
 import { PlatformIconButton } from '../common/PlatformIconButton';
 import { PlatformMediaFrame } from '../common/PlatformMediaFrame';
+import { PlatformModalCloseButton } from '../common/PlatformModalCloseButton';
 import { PlatformMudPointConfirmDialog } from '../common/PlatformMudPointConfirmDialog';
 import { PlatformPillBadge } from '../common/PlatformPillBadge';
 import { PlatformProgressBar } from '../common/PlatformProgressBar';
@@ -652,10 +652,10 @@ function PuzzleLevelDetailDialog({
           <div className="min-w-0 truncate text-base font-semibold text-[var(--platform-text-strong)]">
             {level.levelName || '关卡详情'}
           </div>
-          <PlatformIconButton
+          <PlatformModalCloseButton
+            variant="platformIcon"
+            label="关闭关卡详情"
             onClick={onClose}
-            label="关闭"
-            icon={<X className="h-4 w-4" />}
           />
         </div>
 
@@ -896,10 +896,10 @@ function PuzzlePublishDialog({
           <div className="text-base font-semibold text-[var(--platform-text-strong)]">
             发布拼图作品
           </div>
-          <PlatformIconButton
+          <PlatformModalCloseButton
+            variant="platformIcon"
+            label="关闭发布拼图作品"
             onClick={onClose}
-            label="关闭"
-            icon={<X className="h-4 w-4" />}
           />
         </div>