fix: refine jump hop draft detail flow

src/services/miniGameDraftGenerationProgress.test.ts

@@ -529,6 +529,44 @@ describe('miniGameDraftGenerationProgress', () => {
     ]);
   });
 
+  test('jump hop generation anchors hide unused style preset fallback', () => {
+    const entries = buildJumpHopGenerationAnchorEntries({
+      sessionId: 'jump-hop-session-style-hidden',
+      ownerUserId: 'user-1',
+      status: 'generating',
+      draft: {
+        templateId: 'jump-hop',
+        templateName: '跳一跳',
+        profileId: 'jump-hop-profile-style-hidden',
+        themeText: '水果',
+        workTitle: '水果跳一跳',
+        workDescription: '水果主题跳一跳。',
+        themeTags: ['水果'],
+        difficulty: 'standard',
+        stylePreset: 'minimal-blocks',
+        characterPrompt: '内置默认 3D 角色',
+        tilePrompt: '',
+        endMoodPrompt: null,
+        characterAsset: null,
+        tileAtlasAsset: null,
+        tileAssets: [],
+        path: null,
+        coverComposite: null,
+        generationStatus: 'generating',
+      },
+      createdAt: '2026-06-06T10:00:00.000Z',
+      updatedAt: '2026-06-06T10:00:00.000Z',
+    });
+
+    expect(entries).toEqual([
+      {
+        id: 'jump-hop-theme',
+        label: '主题',
+        value: '水果',
+      },
+    ]);
+  });
+
   test('wooden fish draft generation exposes hit object, background and back button pipeline', () => {
     const state = createMiniGameDraftGenerationState('wooden-fish');