Initial commit

backend/app/models/brief.py

@@ -0,0 +1,31 @@
+from sqlalchemy import Column, Integer, String, Text, ForeignKey, DateTime, Index
+from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+
+from app.database import Base
+
+
+class BillBrief(Base):
+    __tablename__ = "bill_briefs"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    bill_id = Column(String, ForeignKey("bills.bill_id", ondelete="CASCADE"), nullable=False)
+    document_id = Column(Integer, ForeignKey("bill_documents.id", ondelete="SET NULL"), nullable=True)
+    brief_type = Column(String(20), nullable=False, server_default="full")  # full | amendment
+    summary = Column(Text)
+    key_points = Column(JSONB)      # list[str]
+    risks = Column(JSONB)           # list[str]
+    deadlines = Column(JSONB)       # list[{date: str, description: str}]
+    topic_tags = Column(JSONB)      # list[str]
+    llm_provider = Column(String(50))
+    llm_model = Column(String(100))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+
+    bill = relationship("Bill", back_populates="briefs")
+    document = relationship("BillDocument", back_populates="briefs")
+
+    __table_args__ = (
+        Index("ix_bill_briefs_bill_id", "bill_id"),
+        Index("ix_bill_briefs_topic_tags", "topic_tags", postgresql_using="gin"),
+    )