"""phase-19: 원본 HTML 본문(email.body_html) — 샌드박스 iframe 렌더용 Revision ID: p19a7b8c9d0e1 Revises: p18f6a7b8c9d0 Create Date: 2026-06-17 00:00:00.000000 """ from typing import Sequence, Union import sqlalchemy as sa from alembic import op revision: str = "p19a7b8c9d0e1" down_revision: Union[str, Sequence[str], None] = "p18f6a7b8c9d0" branch_labels: Union[str, Sequence[str], None] = None depends_on: Union[str, Sequence[str], None] = None def upgrade() -> None: op.add_column("email", sa.Column("body_html", sa.Text(), nullable=False, server_default="")) def downgrade() -> None: op.drop_column("email", "body_html")