"""add assistant dynamic variable definitions

Revision ID: 20260712_0007
Revises: 20260712_0006
"""
from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa

revision: str = "20260712_0007"
down_revision: str | Sequence[str] | None = "20260712_0006"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "assistants",
        sa.Column(
            "dynamic_variable_definitions",
            sa.JSON(),
            server_default=sa.text("'{}'"),
            nullable=False,
        ),
    )


def downgrade() -> None:
    op.drop_column("assistants", "dynamic_variable_definitions")