生成场景图片失败修复api

yaoai-comic-studio/yaoai-pipeline/src/main/java/com/yaoai/pipeline/service/impl/AssetGenPipelineServiceImpl.java

@@ -361,6 +361,12 @@ public class AssetGenPipelineServiceImpl implements AssetGenPipelineService {
 
     @Override
     public Scene saveScene(Scene scene) {
+        if (scene.getId() != null) {
+            Scene existing = sceneMapper.selectById(scene.getId());
+            if (existing != null && shouldRefreshSceneImagePrompt(scene, existing)) {
+                scene.setImagePrompt(buildSceneImagePromptFallback(scene));
+            }
+        }
         if (scene.getImagePrompt() == null || scene.getImagePrompt().isBlank()) {
             scene.setImagePrompt(buildSceneImagePromptFallback(scene));
         }
@@ -395,6 +401,27 @@ public class AssetGenPipelineServiceImpl implements AssetGenPipelineService {
         return prompt.toString();
     }
 
+    private boolean shouldRefreshSceneImagePrompt(Scene incoming, Scene existing) {
+        if (incoming == null || existing == null) {
+            return false;
+        }
+        String incomingPrompt = normalizeSceneField(incoming.getImagePrompt());
+        String existingPrompt = normalizeSceneField(existing.getImagePrompt());
+        if (incomingPrompt.isBlank()) {
+            return true;
+        }
+        if (!incomingPrompt.equals(existingPrompt)) {
+            return false;
+        }
+        return !normalizeSceneField(incoming.getName()).equals(normalizeSceneField(existing.getName()))
+                || !normalizeSceneField(incoming.getDescription()).equals(normalizeSceneField(existing.getDescription()))
+                || !normalizeSceneField(incoming.getSceneType()).equals(normalizeSceneField(existing.getSceneType()));
+    }
+
+    private String normalizeSceneField(String value) {
+        return value == null ? "" : value.trim();
+    }
+
     @Override
     public void deleteCharacter(Long id, Long tenantId) {
         Character character = characterMapper.selectById(id);