Shoulder range of motion: drive-mode angular limits in the Box3D fork

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

AGENTS.md

@@ -27,7 +27,8 @@ embodiment/view system in particular is theory until proven.
   (rebuild recipe + source in `.vendor/`, only the Linux binary is patched locally).
   Patches so far: ConeTwistJoint3D → rigid weld (`research/godot-box3d-weld.md`), Generic6DOFJoint3D →
   ball/weld/drive with torque-capped muscle motors (`research/godot-box3d-6dof.md`, regression
-  `scenes/sixdof_spike.tscn`).
+  `scenes/sixdof_spike.tscn`), drive-mode angular limits = anatomical shoulder range (fork branch
+  `shoulder-cone-limit`, `.vendor/box3d-drive-angular-limits.patch`; a Box3D source patch applied by CMake).
   Jolt (built-in) is the fallback: reverting is
   the one project-setting line, and all gameplay code must stay standard-Godot-physics-node
   based so that flip is lossless.