1

src/components/rpg-creation-editor/RpgCreationEntityEditorShared.tsx

@@ -345,11 +345,8 @@ function buildDefaultSceneActBlueprint(params: {
     title: actTitle,
     summary: actSummary,
     stageCoverage,
-    backgroundPromptText: compactTextList([
-      `${sceneLabel}${actTitle}背景`,
-      sceneSummary,
-      actSummary,
-    ]).join('；'),
+    // 幕背景画面描述应来自草稿生成阶段的大模型输出，前端缺失时只留空，避免展示规则拼接文本。
+    backgroundPromptText: '',
     backgroundImageSrc: params.backgroundImageSrc || undefined,
     encounterNpcIds,
     primaryNpcId: encounterNpcIds[0] ?? '',
@@ -472,9 +469,7 @@ function sanitizeSceneChapterBlueprint(params: {
       title: currentAct?.title?.trim() || fallbackAct.title,
       summary: currentAct?.summary?.trim() || fallbackAct.summary,
       stageCoverage: buildSceneActStageCoverage(index, targetActCount),
-      backgroundPromptText:
-        currentAct?.backgroundPromptText?.trim() ||
-        fallbackAct.backgroundPromptText,
+      backgroundPromptText: currentAct?.backgroundPromptText?.trim() || '',
       backgroundImageSrc:
         currentAct?.backgroundImageSrc?.trim() ||
         params.fallbackImageSrc ||