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@@ -148,6 +148,19 @@ vocabulary / decisions.
   `rename()`d over the real file. A failed write raises an error toast.
 
 
+## NPC friendliness
+
+- ESP colours, aimbot/silent-aim/melee target filtering use the server AI
+  relationship (`m_Relationship` CUtlVector) against the local player:
+  entity-specific rows first, then the CLASS_PLAYER class row. D_LI is
+  friendly, D_NU neutral, D_HT/D_FR hostile.
+- This makes map-scripted friendly turrets and other relationship overrides
+  dynamic instead of model-name guesses. When no row exists, the old model
+  heuristic is used.
+- Bugbait-controlled antlions are also treated as friendly when their server
+  `m_hFollowTarget` is set, covering antlions that spawned before the global
+  `antlion_allied` state changed.
+
 ## Bones / ESP
 
 - `SetupBones(BONE_USED_BY_ANYTHING)` with engine `Time()`; studio header via