Day lightest 0.92805 -> 0.928052 (true terrain peak 0.92805117...). The compass
refinement now halves to 5e-7 degrees; the drift test checks the constant against
the refined computation and an independent golden-section sweep, exact to
[extreme, extreme + 1e-6).
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
terrainDrawn finds the sun glow peak and the darkest patch with a compass
search from the best coarse samples; constants regenerated (Day 0.237309-0.92805,
Dusk 0.016727-0.967912). The drift test sweeps its own grid (golden-angle spiral
plus a 0.05 degree patch around the sun).
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
skyBackdrop reads constants (the union of the ridge and terrain skies, rounded
outward) instead of computing it, and the door imports skyForState lazily with
the scenes. A test fails when the constants drift from the computed union.
Main entry chunk vs dev: +0.4 KB gzip, down from +51.5 KB.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>