feat: 新增AI创作中心场景，支持改写/续写/创作

client/js/scenes/SceneManager.js

@@ -6,6 +6,7 @@ import StoryScene from './StoryScene';
 import EndingScene from './EndingScene';
 import ProfileScene from './ProfileScene';
 import ChapterScene from './ChapterScene';
+import AICreateScene from './AICreateScene';
 
 export default class SceneManager {
   constructor(main) {
@@ -16,7 +17,8 @@ export default class SceneManager {
       story: StoryScene,
       ending: EndingScene,
       profile: ProfileScene,
-      chapter: ChapterScene
+      chapter: ChapterScene,
+      aiCreate: AICreateScene
     };
   }