- Planet count is now a single global rule (20% barren, else 2–4 planets)
instead of per-type spreads; the starting system always holds a gas giant
plus a rocky world beside the home world.
- Every planet hosts one settlement by class (habitable rocky → colony, other
rocky/ice/lava → mining station, gas → cloud base); free-space stations and
beacons still roll per archetype with the core→rim gradient.
- Old probabilistic planet-settlement path kept behind allPlanetsSettled flag.
- Layout max drops to 6 objects (4 planets + 2 stations); the 11-object
two-orbit case remains as a defensive fallback.
- Update tests, docs, and add rocky-land video asset.
- Replace the annular-band scatter (minOrbit/maxOrbit/minEdgeGap) with a ring-based placement: objects sit on one or two orbits around the home world, governed by center-to-center `minSpacing` and `maxNeighbor`
- Free-space stations (deep-space stations, waypoints) are now layout objects alongside planets; planet-bound settlements stay features of their planet
- Handle the N=11 case (9 planets + 2 stations) with an inner 3-ring + outer 8-ring; chain outward defensively for any larger N
- Update tests to verify the new spacing invariants, the two-orbit case, and determinism including station positions
- Refresh PROJECT_NOTES and the data-file comment to describe the orbit model
- DiscoveryCompass name tags are now interactive buttons with hover/press feedback; firing onSelect hands the target id to the scene, which retargets the ship via GameScene.autopilotTo (aim at the keep-out rim on the approach side).
- Compass layout reserves the command-deck strip (reserveBottom) so chips/arrows are never buried under the deck.
- Click-to-fly now ignores clicks that land on a compass chip (DiscoveryCompass.contains), keeping autopilot and fly-here from colliding.
- Tests cover the chip hit test, onSelect seam, and reserveBottom clamping; docs updated to describe the new autopilot behavior.
- Discovery rule: ship within `discovery.distance` (540 px) of a world's edge discovers it once per system; state is pure, save-ready (`Discovery.toJSON/fromJSON`)
- Off-screen compass (`DiscoveryCompass`): themed screen-edge arrows with type/name chips point back at discovered worlds; geometry helpers (`edgeAnchor`, `circleInView`, `lerpAngle`) exported for Node tests
- Solar-system layout: `layoutSystemPlanets` places generated worlds in a deterministic annular band around the home world, enforcing edge-to-edge separation and per-class scale/tint from `data/planets.json`
- All system planets are solid to the ship (collision + click-clamp), not just home
- Rim ping + HUD toast on discovery (`celebrateDiscovery`)
- New planet class pools (rocky/gas/ice/lava) with frames, `classScale`, `classTint`, and `typeLabels`
- Smoke-game dev hooks: `?ship=x,y` and `?near=px` for screenshotting discovery/compass states
- Node test suite (`dev/discovery.test.mjs`) covering rule boundaries, per-system state, JSON round-trip, layout bounds/determinism, compass geometry, and class pools
Brian Fertig