"""add specialty_type to boss battles

Revision ID: a6b7c8d9e0f1
Revises: f5a6b7c8d9e0
Create Date: 2026-02-08 21:00:00.000000

"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op


# revision identifiers, used by Alembic.
revision: str = 'a6b7c8d9e0f1'
down_revision: Union[str, Sequence[str], None] = 'f5a6b7c8d9e0'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('boss_battles', sa.Column('specialty_type', sa.String(20), nullable=True))


def downgrade() -> None:
    op.drop_column('boss_battles', 'specialty_type')
