remove legacy systems

migrations/versions/0005_site_admin_accounts.py

@@ -0,0 +1,36 @@
+"""add account-backed site admin flag
+
+Revision ID: 0005_site_admin_accounts
+Revises: 0004_email_verification_codes
+Create Date: 2026-06-28
+"""
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "0005_site_admin_accounts"
+down_revision = "0004_email_verification_codes"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    columns = {column["name"] for column in sa.inspect(op.get_bind()).get_columns("users")}
+    if "is_site_admin" not in columns:
+        op.add_column(
+            "users",
+            sa.Column(
+                "is_site_admin",
+                sa.Boolean(),
+                nullable=False,
+                server_default=sa.false(),
+            )
+        )
+
+
+def downgrade() -> None:
+    columns = {column["name"] for column in sa.inspect(op.get_bind()).get_columns("users")}
+    if "is_site_admin" in columns:
+        op.drop_column("users", "is_site_admin")