finalize medical consultation agent backend

backend/app/models/department.py

@@ -1,22 +1,22 @@
 from __future__ import annotations
 
-from sqlalchemy import Boolean, ForeignKey, Integer, String
-from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy import BigInteger, Integer, String
+from sqlalchemy.orm import Mapped, mapped_column
 
 from app.db.base import Base
 from app.models.mixins import TimestampMixin
 
+BIGINT_PK = BigInteger().with_variant(Integer, "sqlite")
+
 
 class Department(TimestampMixin, Base):
-    """科室模型：维护病例、知识库和评分规则的科室分类。"""
+    """科室模型：使用用户端确定的 department 表字段。"""
 
-    __tablename__ = "departments"
+    __tablename__ = "department"
 
-    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
-    name: Mapped[str] = mapped_column(String(100), nullable=False)
-    code: Mapped[str] = mapped_column(String(50), nullable=False, unique=True, index=True)
-    parent_id: Mapped[int | None] = mapped_column(ForeignKey("departments.id"), nullable=True)
-    sort_order: Mapped[int] = mapped_column(Integer, default=0)
-    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
+    id: Mapped[int] = mapped_column(BIGINT_PK, primary_key=True, autoincrement=True, comment="科室ID")
+    name: Mapped[str] = mapped_column(String(100), nullable=False, comment="科室名称")
+    category: Mapped[str] = mapped_column(String(50), nullable=False, comment="科室分类")
+    institution_id: Mapped[int] = mapped_column(BigInteger, nullable=False, index=True, comment="所属机构ID")
 
-    parent: Mapped["Department | None"] = relationship(remote_side=[id])
+    __table_args__ = {"comment": "科室表"}