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/alembic/versions/0016_add_brief_share_token.py

@@ -0,0 +1,33 @@
+"""Add share_token to bill_briefs
+
+Revision ID: 0016
+Revises: 0015
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+revision = "0016"
+down_revision = "0015"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column(
+        "bill_briefs",
+        sa.Column(
+            "share_token",
+            postgresql.UUID(as_uuid=False),
+            nullable=True,
+            server_default=sa.text("gen_random_uuid()"),
+        ),
+    )
+    op.create_unique_constraint("uq_brief_share_token", "bill_briefs", ["share_token"])
+    op.create_index("ix_brief_share_token", "bill_briefs", ["share_token"])
+
+
+def downgrade():
+    op.drop_index("ix_brief_share_token", "bill_briefs")
+    op.drop_constraint("uq_brief_share_token", "bill_briefs")
+    op.drop_column("bill_briefs", "share_token")