- Move default keybindings to config/defaultoptions/keybindings.txt for modern Default Options mod compatibility
- Remove root options.txt from AutoModpack host folder to prevent wiping player audio, graphics, and FOV preferences on boot
- Strip key_ lines from config/defaultoptions/options.txt to leave clean first-launch defaults
- Update instance README, mod-configs matrix, and operations manual to document the two-file default options architecture