update:1.切换数据库PostgreSQL

backend/app/models/character.py

@@ -14,8 +14,8 @@ class Character(Base):
     
     # 基本信息
     name = Column(String(100), nullable=False, comment="角色/组织名称")
-    age = Column(String(20), comment="年龄")
-    gender = Column(String(20), comment="性别")
+    age = Column(String(50), comment="年龄")
+    gender = Column(String(50), comment="性别")
     is_organization = Column(Boolean, default=False, comment="是否为组织")
     
     # 角色类型：protagonist(主角)/supporting(配角)/antagonist(反派)

backend/app/models/memory.py

@@ -9,7 +9,7 @@ class StoryMemory(Base):
     """故事记忆表 - 存储结构化的故事片段和元数据"""
     __tablename__ = "story_memories"
     
-    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    id = Column(String(100), primary_key=True, default=lambda: str(uuid.uuid4()))
     project_id = Column(String(36), ForeignKey("projects.id", ondelete="CASCADE"), nullable=False, index=True)
     chapter_id = Column(String(36), ForeignKey("chapters.id", ondelete="CASCADE"), nullable=True, index=True)
     
@@ -45,7 +45,7 @@ class StoryMemory(Base):
     
     # 伏笔相关字段
     is_foreshadow = Column(Integer, default=0, comment="伏笔状态: 0=普通记忆, 1=已埋下伏笔, 2=伏笔已回收")
-    foreshadow_resolved_at = Column(String(36), ForeignKey("chapters.id", ondelete="SET NULL"), comment="伏笔回收的章节ID")
+    foreshadow_resolved_at = Column(String(100), ForeignKey("chapters.id", ondelete="SET NULL"), comment="伏笔回收的章节ID")
     foreshadow_strength = Column(Float, comment="伏笔强度 0.0-1.0")
     
     # 向量数据库关联

backend/app/models/project.py

@@ -10,6 +10,7 @@ class Project(Base):
     __tablename__ = "projects"
     
     id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    user_id = Column(String(36), nullable=False, index=True, comment="用户ID")
     title = Column(String(200), nullable=False, comment="项目标题")
     description = Column(Text, comment="项目简介")
     theme = Column(Text, comment="主题")

backend/app/models/relationship.py

@@ -75,7 +75,7 @@ class Organization(Base):
     
     # 组织特色
     motto = Column(String(200), comment="宗旨/口号")
-    color = Column(String(20), comment="代表颜色")
+    color = Column(String(100), comment="代表颜色")
     
     created_at = Column(DateTime, server_default=func.now(), comment="创建时间")
     updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now(), comment="更新时间")