"""cache form schema per flow version

Revision ID: b7e2d4a1c9f3
Revises: a3f1c9e2b4d7
Create Date: 2026-09-11 20:30:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
import sqlmodel  # noqa: F401 - autogenerate renders sqlmodel.* column types


# revision identifiers, used by Alembic.
revision: str = 'b7e2d4a1c9f3'
down_revision: Union[str, Sequence[str], None] = 'a3f1c9e2b4d7'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    op.add_column(
        "flow_versions",
        sa.Column("input_schema", sa.JSON(), nullable=True),
    )


def downgrade() -> None:
    """Downgrade schema."""
    op.drop_column("flow_versions", "input_schema")