CREATE TABLE IF NOT EXISTS room (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    wk UUID NOT NULL,
    parent UUID,
    name TEXT NOT NULL,
    topic TEXT,
    room_type TEXT NOT NULL,
    position INTEGER NOT NULL DEFAULT 0,
    is_private BOOLEAN NOT NULL DEFAULT FALSE,
    is_archived BOOLEAN NOT NULL DEFAULT FALSE,
    created_by UUID NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    deleted_at TIMESTAMPTZ
);