- Generate 4–8 rock groups per system with seeded placement, spacing, and slow tumble/drift motion driven by data/asteroids.json
- Add AsteroidCluster entity (Phaser container) with halo, dust motes, per-rock spins, and ship keep-out collision reusing Planet.resolve
- Integrate clusters into GameScene: load spritesheet, constrain ship post-physics, include in click-to-fly/autopilot/discovery/compass
- Synthesise unique cluster names via NameGenerator.asteroid (syllables + field suffix)
- Add dev test suite and ?seed= param for deterministic galaxy generation
Brian Fertig