Conflicts: port_config.c (both sides' debug settings), hud_weapon.c (the
VR crosshair filter before upstream's state index check),
first_person_weapons.c (the VR arms kept; upstream's animation node check
added, and its node count limit applied to the VR arms too).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>