Setup NPC director

Source/NakedDesire/Stats/StatsManager.h

@@ -45,8 +45,9 @@ public:
 
 	// Called by NPCAIController when an NPC gains or loses sight of the player. Observer is the
 	// observing pawn; its live location is re-traced each tick to weight embarrassment by the
-	// body parts that observer can actually see (GDD §7.1).
-	void SetObserved(bool bObserved, AActor* Observer);
+	// body parts that observer can actually see (GDD §7.1). Weight is the observer's NPC-type
+	// multiplier (§10.2) — Walkers read low, Stalkers high; ignored on the un-observe path.
+	void SetObserved(bool bObserved, AActor* Observer, float Weight = 1.0f);
 
 	// Number of NPCs currently perceiving the player (used by commission objectives, §13.4).
 	UFUNCTION(BlueprintPure)
@@ -84,7 +85,15 @@ private:
 	UPROPERTY()
 	TObjectPtr<ANakedDesireCharacter> OwnerCharacter;
 
-	// NPCs currently perceiving the player (added/removed via SetObserved). Weak so a destroyed
-	// observer drops out without dangling; stale entries are compacted during the tick.
-	TArray<TWeakObjectPtr<AActor>> Observers;
+	// One perceiving NPC and its observation weight (§10.2). Weak so a destroyed observer drops
+	// out without dangling.
+	struct FObserverEntry
+	{
+		TWeakObjectPtr<AActor> Actor;
+		float Weight = 1.0f;
+	};
+
+	// NPCs currently perceiving the player (added/removed via SetObserved). Stale entries are
+	// compacted during the tick.
+	TArray<FObserverEntry> Observers;
 };