继续收口浅色返回按钮

将统一创作页与多个浅色工作台返回入口切换为 PlatformBackActionButton
按页面保留 compact 与 regular 返回尺寸及禁用态
清理冗余 ArrowLeft 引用并完成对应页面定向验证

src/components/bark-battle-creation/BarkBattleConfigEditor.tsx

@@ -1,10 +1,11 @@
-import { ArrowLeft, Loader2, Play } from 'lucide-react';
+import { Loader2, Play } from 'lucide-react';
 import { useEffect, useMemo, useState } from 'react';
 
 import type { BarkBattleConfigEditorPayload } from '../../../packages/shared/src/contracts/barkBattle';
 import type { BarkBattleDifficultyPreset } from '../../../packages/shared/src/contracts/barkBattle';
 import { buildBarkBattleDefaultOnomatopoeia } from '../../games/bark-battle/application/BarkBattleConfig';
 import { PlatformActionButton } from '../common/PlatformActionButton';
+import { PlatformBackActionButton } from '../common/PlatformBackActionButton';
 import { PlatformFieldLabel } from '../common/PlatformFieldLabel';
 import { PlatformPillBadge } from '../common/PlatformPillBadge';
 import { PlatformStatusMessage } from '../common/PlatformStatusMessage';
@@ -151,16 +152,11 @@ export function BarkBattleConfigEditor({
     >
       {showBackButton && onBack ? (
         <div className="mb-3 flex shrink-0 items-center justify-between gap-3 sm:mb-4">
-          <PlatformActionButton
+          <PlatformBackActionButton
             onClick={onBack}
             disabled={isBusy}
-            tone="ghost"
-            size="xs"
-            className="min-h-0 self-start gap-1.5 px-3 py-1.5 text-[11px]"
-          >
-            <ArrowLeft className="h-3.5 w-3.5" />
-            返回
-          </PlatformActionButton>
+            className="px-3"
+          />
         </div>
       ) : null}