收口大鱼结果页空态

将大鱼吃小鱼结果页缺草稿提示迁移到 PlatformEmptyState

补充缺草稿空态公共组件断言

更新 PlatformUiKit 文档和 Hermes 决策记录

src/components/big-fish-result/BigFishResultView.tsx

@@ -17,6 +17,7 @@ import type {
   ExecuteBigFishActionRequest,
 } from '../../../packages/shared/src/contracts/bigFish';
 import { PlatformActionButton } from '../common/PlatformActionButton';
+import { PlatformEmptyState } from '../common/PlatformEmptyState';
 import { PlatformFieldLabel } from '../common/PlatformFieldLabel';
 import { PlatformIconBadge } from '../common/PlatformIconBadge';
 import { PlatformMediaFrame } from '../common/PlatformMediaFrame';
@@ -374,14 +375,13 @@ export function BigFishResultView({
   if (!draft) {
     return (
       <div className="flex h-full items-center justify-center">
-        <PlatformSubpanel
-          as="div"
-          radius="sm"
-          padding="none"
-          className="px-5 py-4 text-sm text-[var(--platform-text-base)]"
+        <PlatformEmptyState
+          surface="subpanel"
+          size="compact"
+          tone="base"
         >
           还没有可编辑的玩法草稿
-        </PlatformSubpanel>
+        </PlatformEmptyState>
       </div>
     );
   }