{
  "_comment": "Galaxy shape + scale (js/galaxy/Galaxy.js). systemCount = total star systems (the starting system is one of them). layout = a sparse seeded DISK: no spiral arms (spiral.enabled = false, arms = 0 — the arm snap is skipped), no center bulge (coreFraction = 0), diskSkew = 0.5 so the radial spread is uniform-in-area (rNorm = √x — stars spread out sparsely across the disk instead of crowding the core), flatten = y squash (ellipse). settlements.gradient = free-space settlement density by galactic radius (rNorm 0 = center, 1 = rim): chance = 1 − rNorm×falloff, floored at floor (js/galaxy/SystemGenerator.js → settlementDensity).",
  "systemCount": 60,
  "radius": 20000,
  "layout": {
    "coreFraction": 0,
    "bulgeSigma": 0.09,
    "diskSkew": 0.5,
    "flatten": 0.62,
    "spiral": { "enabled": false, "arms": 0, "twist": 2.6, "strength": 0.5 }
  },
  "distribution": {
    "rules": []
  },
  "startingSystem": { "policy": "center" },
  "settlements": {
    "gradient": { "falloff": 0.7, "floor": 0.22 }
  },
  "neighbors": 8
}