Architecture: Sources → Engine → Delivery + capability satellites + Player.
Paint: mid → neon → (per node far→near: away stubs/anchors under box, facing stubs/anchors over box) → holo.
Face detail: windows/vents + blinking multi-color iso-data-port LEDs (cyan/amber/lime/rose/soft-white, --iso-led) + spinning iso-fan.
Accents: floating iso-holo screens + Engine iso-neon glow + Ferris claw logo (iso-ferris) on Engine top face.
Debug overlay: red dashed = Engine avoid AABB, orange dots = gate points.
Production anchors: tinted dots at each link face attachment (with owning node).
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