feat: 游玩记录支持区分原故事和AI草稿，已下架草稿显示标签

client/js/data/UserManager.js

@@ -203,6 +203,29 @@ export default class UserManager {
     });
   }
 
+  /**
+   * 收藏草稿
+   */
+  async collectDraft(draftId, isCollected) {
+    if (!this.isLoggedIn) return;
+    await put(`/drafts/${draftId}/collect`, null, { 
+      params: { userId: this.userId, isCollected } 
+    });
+  }
+
+  /**
+   * 获取草稿收藏状态
+   */
+  async getDraftCollectStatus(draftId) {
+    if (!this.isLoggedIn) return false;
+    try {
+      const res = await get(`/drafts/${draftId}/collect-status`, { userId: this.userId });
+      return res?.isCollected || false;
+    } catch (e) {
+      return false;
+    }
+  }
+
   /**
    * 获取收藏列表
    */
@@ -323,12 +346,13 @@ export default class UserManager {
   /**
    * 保存游玩记录
    */
-  async savePlayRecord(storyId, endingName, endingType, pathHistory) {
+  async savePlayRecord(storyId, endingName, endingType, pathHistory, draftId = null) {
     if (!this.isLoggedIn) return null;
     try {
       return await post('/user/play-record', {
         userId: this.userId,
         storyId,
+        draftId,  // AI草稿ID，原故事为null
         endingName,
         endingType: endingType || '',
         pathHistory: pathHistory || []