"""Add nullable cancel_requested_at column to scheduled_tasks."""

from __future__ import annotations

import sqlalchemy as sa
from alembic import op

revision = "0012_task_cancellation"
down_revision = "0011_planner_decision_log_reflection"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "scheduled_tasks",
        sa.Column("cancel_requested_at", sa.String(), nullable=True),
    )


def downgrade() -> None:
    op.drop_column("scheduled_tasks", "cancel_requested_at")