"""Add external_references column to techniques table.

Revision ID: b049
Revises: b048
Create Date: 2026-06-18
"""

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import JSONB

revision = "b049"
down_revision = "b048"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "techniques",
        sa.Column("external_references", JSONB, nullable=True),
    )


def downgrade() -> None:
    op.drop_column("techniques", "external_references")