Flights, Military Flights and Local ADS-B draw each aircraft with the fleet
model its ICAO type, class or emitter category selects, scaled to the type's
length, built from the up-front loaded bytes. The eight third-party aircraft
models and their attribution are removed; every shipped model is now the
project's own.
Merge origin/main and retain both format-scope additions.
Give StarrySky a separate black environment cube map and release it on destroy.
Guard anime updates when StarrySky is absent, require a visible Normal sky
before anime QA, and compare a lit airplane against black and white controls.
Document the sky background contract and its verification.
Co-Authored-By: GPT-6 (Codex) <[email protected]>