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/setting.py

@@ -0,0 +1,12 @@
+from sqlalchemy import Column, String, DateTime
+from sqlalchemy.sql import func
+
+from app.database import Base
+
+
+class AppSetting(Base):
+    __tablename__ = "app_settings"
+
+    key = Column(String, primary_key=True)
+    value = Column(String)
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())