feat: PocketVeto v1.0.0 — initial public release

Self-hosted US Congress monitoring platform with AI policy briefs,
bill/member/topic follows, ntfy + RSS + email notifications,
alignment scoring, collections, and draft-letter generator.

Authored by: Jack Levy

backend/app/models/collection.py

@@ -0,0 +1,51 @@
+from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Index, Integer, String, UniqueConstraint
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+
+from app.database import Base
+
+
+class Collection(Base):
+    __tablename__ = "collections"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
+    name = Column(String(100), nullable=False)
+    slug = Column(String(120), nullable=False)
+    is_public = Column(Boolean, nullable=False, default=False, server_default="false")
+    share_token = Column(UUID(as_uuid=False), nullable=False, server_default=func.gen_random_uuid())
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+    user = relationship("User", back_populates="collections")
+    collection_bills = relationship(
+        "CollectionBill",
+        cascade="all, delete-orphan",
+        order_by="CollectionBill.added_at.desc()",
+    )
+
+    __table_args__ = (
+        UniqueConstraint("user_id", "slug", name="uq_collections_user_slug"),
+        UniqueConstraint("share_token", name="uq_collections_share_token"),
+        Index("ix_collections_user_id", "user_id"),
+        Index("ix_collections_share_token", "share_token"),
+    )
+
+
+class CollectionBill(Base):
+    __tablename__ = "collection_bills"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    collection_id = Column(Integer, ForeignKey("collections.id", ondelete="CASCADE"), nullable=False)
+    bill_id = Column(String, ForeignKey("bills.bill_id", ondelete="CASCADE"), nullable=False)
+    added_at = Column(DateTime(timezone=True), server_default=func.now())
+
+    collection = relationship("Collection", back_populates="collection_bills")
+    bill = relationship("Bill")
+
+    __table_args__ = (
+        UniqueConstraint("collection_id", "bill_id", name="uq_collection_bills_collection_bill"),
+        Index("ix_collection_bills_collection_id", "collection_id"),
+        Index("ix_collection_bills_bill_id", "bill_id"),
+    )