"""change assistants.prompt from varchar(8192) to text

Revision ID: 20260807_0014
Revises: 20260807_0013
"""

from __future__ import annotations

from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa


revision: str = "20260807_0014"
down_revision: str | Sequence[str] | None = "20260807_0013"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.alter_column(
        "assistants",
        "prompt",
        existing_type=sa.String(length=8192),
        type_=sa.Text(),
        existing_nullable=False,
        existing_server_default=sa.text("''"),
    )


def downgrade() -> None:
    op.alter_column(
        "assistants",
        "prompt",
        existing_type=sa.Text(),
        type_=sa.String(length=8192),
        existing_nullable=False,
        existing_server_default=sa.text("''"),
    )