feat(auth): add created_at and updated_at in OAuthToken

resolve #78

migrations/versions/2025-11-23_57641cb601f4_oauth_client_add_date.py

@@ -0,0 +1,41 @@
+"""oauth-client: add date
+
+Revision ID: 57641cb601f4
+Revises: 23707640303c
+Create Date: 2025-11-23 13:46:55.654967
+
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "57641cb601f4"
+down_revision: str | Sequence[str] | None = "23707640303c"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("oauth_clients", sa.Column("created_at", sa.DateTime(), nullable=True))
+    op.add_column(
+        "oauth_clients", sa.Column("updated_at", sa.DateTime(), nullable=True, onupdate=sa.text("CURRENT_TIMESTAMP"))
+    )
+    op.execute(
+        "UPDATE oauth_clients SET created_at = NOW(), updated_at = NOW() WHERE created_at IS NULL OR updated_at IS NULL"
+    )
+    op.alter_column("oauth_clients", "created_at", existing_type=sa.DateTime(), nullable=False)
+    op.alter_column("oauth_clients", "updated_at", existing_type=sa.DateTime(), nullable=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("oauth_clients", "updated_at")
+    op.drop_column("oauth_clients", "created_at")
+    # ### end Alembic commands ###