feat: 游玩记录多版本功能 - 支持多版本记录存储和回放 - 相同路径自动去重只保留最新 - 版本列表支持删除功能 - AI草稿箱游玩不记录历史 - iOS日期格式兼容修复

server/app/models/user.py

@@ -1,7 +1,7 @@
 """
 用户相关ORM模型
 """
-from sqlalchemy import Column, Integer, String, Boolean, TIMESTAMP, ForeignKey, UniqueConstraint
+from sqlalchemy import Column, Integer, String, Boolean, TIMESTAMP, ForeignKey, UniqueConstraint, JSON, Index
 from sqlalchemy.sql import func
 from app.database import Base
 
@@ -56,3 +56,21 @@ class UserEnding(Base):
     __table_args__ = (
         UniqueConstraint('user_id', 'story_id', 'ending_name', name='uk_user_ending'),
     )
+
+
+class PlayRecord(Base):
+    """游玩记录表 - 保存每次游玩的完整路径"""
+    __tablename__ = "play_records"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
+    story_id = Column(Integer, ForeignKey("stories.id", ondelete="CASCADE"), nullable=False)
+    ending_name = Column(String(100), nullable=False)  # 结局名称
+    ending_type = Column(String(20), default="")  # 结局类型 (good/bad/hidden/rewrite)
+    path_history = Column(JSON, nullable=False)  # 完整的选择路径
+    play_duration = Column(Integer, default=0)  # 游玩时长(秒)
+    created_at = Column(TIMESTAMP, server_default=func.now())
+    
+    __table_args__ = (
+        Index('idx_user_story', 'user_id', 'story_id'),
+    )