"""add assistant vision focus prompt

Revision ID: 20260812_0019
Revises: 20260810_0018
"""

from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa


revision: str = "20260812_0019"
down_revision: str | Sequence[str] | None = "20260810_0018"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column(
        "assistants",
        sa.Column(
            "vision_focus_prompt",
            sa.Text(),
            server_default=sa.text("''"),
            nullable=False,
        ),
    )


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