Server-synced FPS leaning (peek around corners) — standalone, meshes with any gun mod.
Shared status-effect system for Dox mods — stacking debuffs with icons and a vanilla /effect bridge.
Hold your breath while aiming to steady sway and recoil — for TACZ guns.
Per-limb health (head/torso/arms/legs) with blackout debuffs and Tarkov-style limb healing.