"""templates are never builtin

Revision ID: 9f4a71c60d38
Revises: 8c31d0a4e7b2
Create Date: 2026-07-20 16:41:03.529117

"""

from typing import Sequence, Union

import sqlalchemy as sa

from alembic import op

# revision identifiers, used by Alembic.
revision: str = "9f4a71c60d38"
down_revision: Union[str, Sequence[str], None] = "8c31d0a4e7b2"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # templates/ became a catalog of blueprints that an admin adds from,
    # rather than content re-imported over the customer's rows on every
    # start. Nothing in this table is read-only any more, so the flag that
    # marked it has no meaning left. (documents.is_builtin is untouched —
    # the help pages really are the product's own.)
    op.drop_column("templates", "is_builtin")


def downgrade() -> None:
    """Downgrade schema."""
    op.add_column(
        "templates",
        sa.Column(
            "is_builtin",
            sa.Boolean(),
            server_default=sa.false(),
            nullable=False,
        ),
    )