Left stick magnitude now maps to movement speed instead of binary on/off.
Removed 30-degree angle binning for smooth continuous direction control.
WALK: 0.3-1.5 m/s, RUN: 2.0-4.5 m/s, CRAWL: 0.3-1.2 m/s proportional
to stick deflection. Dead zone behavior unchanged (IDLE when released).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>