"""add assistant knowledge retrieval config

Revision ID: 20260712_0006
Revises: 20260712_0005
"""
from collections.abc import Sequence

from alembic import op
import sqlalchemy as sa

revision: str = "20260712_0006"
down_revision: str | Sequence[str] | None = "20260712_0005"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "assistants",
        sa.Column(
            "knowledge_retrieval_config",
            sa.JSON(),
            server_default=sa.text(
                "'{\"mode\": \"automatic\", \"top_n\": 5, \"score_threshold\": 0.0}'"
            ),
            nullable=False,
        ),
    )


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