CREATE TABLE IF NOT EXISTS region_permit_theme_overrides (
    region_id uuid NOT NULL REFERENCES regions(id) ON DELETE CASCADE,
    permit_id uuid NOT NULL REFERENCES permits(id) ON DELETE CASCADE,
    binds_all_themes boolean NOT NULL DEFAULT false,
    created_at timestamptz NOT NULL DEFAULT now(),
    created_by text,
    PRIMARY KEY (region_id, permit_id)
);