Portable guide for an agent doing refactor/code-health work on a raylib
(or any GLFW/OpenGL) app: Xvfb + screenshot + pixel-diff loop, xdotool
key/mouse injection (incl. the press-release-must-span-frames gotcha),
determinism strategies for static apps vs continuously-animating games,
temp-keybinding state forcing, and a porting checklist for shot_input.sh.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
