DKIM key management front end - ok

alembic/versions/7f200580bbd3_add_replaced_at_to_dkim_keys.py

@@ -0,0 +1,28 @@
+"""add_replaced_at_to_dkim_keys
+
+Revision ID: 7f200580bbd3
+Revises: d02f993649e8
+Create Date: 2025-06-07 12:48:07.930008
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '7f200580bbd3'
+down_revision: Union[str, None] = 'd02f993649e8'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Add replaced_at field to DKIM keys table."""
+    op.add_column('esrv_dkim_keys', sa.Column('replaced_at', sa.DateTime(), nullable=True))
+
+
+def downgrade() -> None:
+    """Remove replaced_at field from DKIM keys table."""
+    op.drop_column('esrv_dkim_keys', 'replaced_at')