"""add_hub_settings

Revision ID: b1c2d3e4f5a6
Revises: a7b8c9d0e1f2
Create Date: 2026-08-28 12:00:00.000000

"""
from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = 'b1c2d3e4f5a6'
down_revision: str | Sequence[str] | None = 'a7b8c9d0e1f2'
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.create_table(
        'hub_settings',
        sa.Column('key', sa.String(64), nullable=False),
        sa.Column('value', sa.Text(), nullable=False),
        sa.Column('updated_at', sa.DateTime(timezone=True),
                  server_default=sa.func.now(), nullable=False),
        sa.PrimaryKeyConstraint('key'),
    )
    # No seed rows: an absent key is the default, and writing "true" here would
    # make a later change of default invisible to an already-migrated hub.


def downgrade() -> None:
    op.drop_table('hub_settings')