Two-player mode with client assignment, 3D vector calibration for cylindrical
pods, lives, tap/double-tap boost with low-intensity LED cooldown feedback,
and Kenney sprite assets.
Co-authored-by: Cursor <cursoragent@cursor.com>
Replace the single-entry Pong flow with a menu launcher, a per-client API demo on :8081/ws with stream controls and tap flash feedback, and bump the viewport to 1920×1080.
Co-authored-by: Cursor <cursoragent@cursor.com>
