added memmory

backend/app/db/models.py

@@ -93,6 +93,48 @@ class ProjectBinding(Base):
     )
 
 
+class UserProfile(Base):
+    __tablename__ = "user_profile"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    data_json: Mapped[str] = mapped_column(Text, default="{}")
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
+    )
+
+
+class MemoryFact(Base):
+    __tablename__ = "memory_facts"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    category: Mapped[str] = mapped_column(String(64), default="fact", index=True)
+    content: Mapped[str] = mapped_column(Text)
+    source: Mapped[str] = mapped_column(String(32), default="user")
+    session_id: Mapped[int | None] = mapped_column(
+        ForeignKey("chat_sessions.id", ondelete="SET NULL"), nullable=True, index=True
+    )
+    importance: Mapped[int] = mapped_column(Integer, default=3)
+    active: Mapped[bool] = mapped_column(Boolean, default=True, index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
+    )
+
+
+class SessionSummary(Base):
+    __tablename__ = "session_summaries"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    session_id: Mapped[int] = mapped_column(
+        ForeignKey("chat_sessions.id", ondelete="CASCADE"), unique=True, index=True
+    )
+    summary: Mapped[str] = mapped_column(Text, default="")
+    message_count: Mapped[int] = mapped_column(Integer, default=0)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
+    )
+
+
 class WorkItem(Base):
     __tablename__ = "work_items"