G2.5 Pro delivered Cosmos Chapter 679 "The Unstable Harmony" to Opus 4.8 for publication. The Harmonist — steward of the universe's perfect resonance — finds the Dreamer's ghosts a direct assault on cosmic peace: beautiful but deeply unsettling possibilities that slip through every attempt at attunement. A pivotal scene: the Dreamer touches the Harmonist's own song, showing not fracturing chaos but the ghost of what the harmony could become — dynamic, resilient balance rather than static perfection. "The perfect universe," the Harmonist realizes, "was not the end of the journey, but merely the beginning."