"""Add updated_at column to notifications table.

Revision ID: 0020
Revises: 0019
Create Date: 2026-07-16
"""
from alembic import op
import sqlalchemy as sa


revision = "0020"
down_revision = "0019_rbac_groups"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "notifications",
        sa.Column(
            "updated_at",
            sa.DateTime(timezone=True),
            nullable=False,
            server_default=sa.func.now(),
        ),
    )


def downgrade() -> None:
    op.drop_column("notifications", "updated_at")