"""Add adjustment_config JSON column to checkouts table.

Revision ID: chk002_adjustment_config
Revises: hpp001_display_payer
Create Date: 2026-03-31
"""
from alembic import op
import sqlalchemy as sa

revision: str = 'chk002_adjustment_config'
down_revision: str = 'hpp001_display_payer'
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        'checkouts',
        sa.Column('adjustment_config', sa.JSON(), nullable=True),
    )


def downgrade() -> None:
    op.drop_column('checkouts', 'adjustment_config')