refactor: 收口 Bark Battle 草稿恢复映射

src/components/platform-entry/barkBattleWorkCache.test.ts

@@ -6,6 +6,7 @@ import type {
   BarkBattleWorkSummary,
 } from '../../../packages/shared/src/contracts/barkBattle';
 import {
+  buildBarkBattleDraftConfigFromWorkSummary,
   buildBarkBattlePublishedConfigFromDraft,
   buildBarkBattlePublishedConfigFromWork,
   buildBarkBattlePublishSnapshot,
@@ -29,6 +30,7 @@ function buildBarkBattleWork(
     themeDescription: '阳光草坪声浪竞技场',
     playerImageDescription: '戴红色围巾的柯基选手',
     opponentImageDescription: '蓝色护目镜哈士奇对手',
+    onomatopoeia: ['汪', '破阵'],
     playerCharacterImageSrc: '/generated-bark-battle/player.png',
     opponentCharacterImageSrc: '/generated-bark-battle/opponent.png',
     uiBackgroundImageSrc: '/generated-bark-battle/background.png',
@@ -184,6 +186,35 @@ test('builds work runtime config with publishedAt fallback', () => {
   expect(config.playerCharacterImageSrc).toBe('/generated-bark-battle/player.png');
 });
 
+test('builds draft config from work summary with stable defaults', () => {
+  const config = buildBarkBattleDraftConfigFromWorkSummary(
+    buildBarkBattleWork({
+      draftId: null,
+      playerCharacterImageSrc: null,
+      opponentCharacterImageSrc: null,
+      uiBackgroundImageSrc: null,
+    }),
+  );
+
+  expect(config).toMatchObject({
+    draftId: 'BB-cache-race-12345678',
+    workId: 'BB-cache-race-12345678',
+    title: '汪汪测试杯',
+    description: '测试声浪赛',
+    themeDescription: '阳光草坪声浪竞技场',
+    playerImageDescription: '戴红色围巾的柯基选手',
+    opponentImageDescription: '蓝色护目镜哈士奇对手',
+    onomatopoeia: ['汪', '破阵'],
+    difficultyPreset: 'normal',
+    configVersion: 1,
+    rulesetVersion: 'bark-battle-ruleset-v1',
+    updatedAt: '2026-05-21T10:00:00.000Z',
+  });
+  expect(config.playerCharacterImageSrc).toBeUndefined();
+  expect(config.opponentCharacterImageSrc).toBeUndefined();
+  expect(config.uiBackgroundImageSrc).toBeUndefined();
+});
+
 test('builds publish snapshot without empty asset fields', () => {
   const snapshot = buildBarkBattlePublishSnapshot(
     buildBarkBattleDraft({