We are the first to rise (alien invasion)

The haiman Orlandine has weaponized a black hole to neutralise the danger posed by the dangerous Jain technology that is spinning inside an accretion disc in the furthest reaches of space, where he is tasked with keeping watch over it. But, others are sceptical of her intentions, and in preparation for war, both the Polity AIs and the rulers of the alien prador realm dispatch fleets of warships.