Repair official collection and retire exhausted material tasks

backend/alembic/versions/20261105_db2345678901_collection_retirement.py

@@ -0,0 +1,18 @@
+"""Persist bounded calendar collection failures."""
+from alembic import op
+import sqlalchemy as sa
+
+revision = "db2345678901"
+down_revision = "da1234567890"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column("economic_releases", sa.Column("collection_failures", sa.Integer(), nullable=False, server_default="0"))
+    op.add_column("economic_releases", sa.Column("collection_retired_at", sa.DateTime(timezone=True), nullable=True))
+
+
+def downgrade():
+    op.drop_column("economic_releases", "collection_retired_at")
+    op.drop_column("economic_releases", "collection_failures")