feat: 드로그 투척 패턴 및 보스명 UI 정리

- 공통 보스 BT 프레임워크에 utility 패턴 역할과 준비/실행 브랜치를 추가

- 드로그 투척 패턴, 스킬, 투사체 이펙트를 연결하고 1인 플레이에서도 주 대상 fallback으로 발동되게 조정

- 투척 스폰 회전 계산을 보강해 zero vector 경고를 제거

- EnemyData와 VictoryUI 보스명을 투기장의 집행자 드로그 기준으로 정리

- Unity 플레이 검증으로 1인 호스트에서 투척 실행과 후속 전투 루프를 확인

Assets/_Game/Scripts/AI/BehaviorActions/Actions/CheckUtilityPatternReadyAction.cs

@@ -0,0 +1,18 @@
+using System;
+
+using Colosseum.Enemy;
+
+using Unity.Behavior;
+using Unity.Properties;
+
+using Action = Unity.Behavior.Action;
+
+/// <summary>
+/// 공통 원거리 견제 패턴의 준비 여부를 확인합니다.
+/// </summary>
+[Serializable, GeneratePropertyBag]
+[NodeDescription(name: "Check Utility Pattern Ready", story: "원거리 견제 패턴 준비 완료", category: "Action", id: "e3a3f4bd4f214efc873109631e5195db")]
+public partial class CheckUtilityPatternReadyAction : CheckPatternReadyActionBase
+{
+    protected override BossCombatPatternRole PatternRole => BossCombatPatternRole.Utility;
+}

Assets/_Game/Scripts/AI/BehaviorActions/Actions/CheckUtilityPatternReadyAction.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 15de0eb23ee195a42a07c23c18f9fa9a

Assets/_Game/Scripts/AI/BehaviorActions/Actions/SelectAlternateTargetByDistanceAction.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+
+using Colosseum;
+using Colosseum.Combat;
+using Colosseum.Enemy;
+using Colosseum.Player;
+
+using Unity.Behavior;
+using Unity.Properties;
+using UnityEngine;
+
+using Action = Unity.Behavior.Action;
+
+/// <summary>
+/// 현재 주 대상이 아닌 다른 원거리 대상을 선택합니다.
+/// </summary>
+[Serializable, GeneratePropertyBag]
+[NodeDescription(
+    name: "Select Alternate Target By Distance",
+    story: "주 대상이 아닌 원거리 대상 선택",
+    category: "Action",
+    id: "1fe74f607036406c8857c1a23f42c8a2")]
+public partial class SelectAlternateTargetByDistanceAction : Action
+{
+    [SerializeReference]
+    public BlackboardVariable<GameObject> Target;
+
+    [SerializeReference]
+    public BlackboardVariable<float> MinRange = new BlackboardVariable<float>(0f);
+
+    [SerializeReference]
+    public BlackboardVariable<float> MaxRange = new BlackboardVariable<float>(0f);
+
+    protected override Status OnStart()
+    {
+        BossCombatBehaviorContext context = GameObject.GetComponent<BossCombatBehaviorContext>();
+        if (context == null)
+            return Status.Failure;
+
+        float minRange = MinRange.Value > 0f ? MinRange.Value : context.UtilityTriggerDistance;
+        float maxRange = MaxRange.Value > 0f
+            ? MaxRange.Value
+            : (context.EnemyBase != null && context.EnemyBase.Data != null ? context.EnemyBase.Data.AggroRange : 20f);
+
+        GameObject selectedTarget = SelectTarget(context, minRange, maxRange);
+        if (selectedTarget == null)
+            return Status.Failure;
+
+        Target.Value = selectedTarget;
+        return Status.Success;
+    }
+
+    private GameObject SelectTarget(BossCombatBehaviorContext context, float minRange, float maxRange)
+    {
+        PlayerNetworkController[] players = UnityEngine.Object.FindObjectsByType<PlayerNetworkController>(FindObjectsSortMode.None);
+        if (players == null || players.Length == 0)
+            return null;
+
+        GameObject primaryTarget = context.ResolvePrimaryTarget();
+        List<GameObject> validTargets = new List<GameObject>();
+
+        for (int i = 0; i < players.Length; i++)
+        {
+            PlayerNetworkController player = players[i];
+            if (player == null || player.IsDead || !player.gameObject.activeInHierarchy)
+                continue;
+
+            GameObject candidate = player.gameObject;
+            if (candidate == primaryTarget)
+                continue;
+
+            if (!context.IsValidHostileTarget(candidate))
+                continue;
+
+            float distance = Vector3.Distance(GameObject.transform.position, candidate.transform.position);
+            if (distance < minRange || distance > maxRange)
+                continue;
+
+            validTargets.Add(candidate);
+        }
+
+        if (validTargets.Count == 0)
+        {
+            if (primaryTarget != null && context.IsValidHostileTarget(primaryTarget))
+            {
+                float primaryDistance = Vector3.Distance(GameObject.transform.position, primaryTarget.transform.position);
+                if (primaryDistance >= minRange && primaryDistance <= maxRange)
+                    return primaryTarget;
+            }
+
+            return null;
+        }
+
+        int randomIndex = UnityEngine.Random.Range(0, validTargets.Count);
+        return validTargets[randomIndex];
+    }
+}

Assets/_Game/Scripts/AI/BehaviorActions/Actions/SelectAlternateTargetByDistanceAction.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 5bc0da0fc1e1b81428d64c0c8b31a402

Assets/_Game/Scripts/AI/BehaviorActions/Actions/UsePatternRoleActionBase.cs

@@ -33,6 +33,9 @@ public abstract partial class UsePatternRoleActionBase : BossPatternActionBase
         if (target == null && PatternRole == BossCombatPatternRole.Mobility)
             target = context != null ? context.FindMobilityTarget() : null;
 
+        if (target == null && PatternRole == BossCombatPatternRole.Utility)
+            target = context != null ? context.FindUtilityTarget() : null;
+
         if (target == null)
             return false;
 
@@ -52,6 +55,13 @@ public abstract partial class UsePatternRoleActionBase : BossPatternActionBase
                 : context.FindMobilityTarget();
         }
 
+        if (PatternRole == BossCombatPatternRole.Utility && context != null)
+        {
+            return context.IsValidUtilityTarget(fallbackTarget)
+                ? fallbackTarget
+                : context.FindUtilityTarget();
+        }
+
         return base.ResolveStepTarget(fallbackTarget);
     }
 }

Assets/_Game/Scripts/AI/BehaviorActions/Actions/UseUtilityPatternAction.cs

@@ -0,0 +1,16 @@
+using System;
+
+using Colosseum.Enemy;
+
+using Unity.Behavior;
+using Unity.Properties;
+
+/// <summary>
+/// 공통 원거리 견제 패턴을 실행합니다.
+/// </summary>
+[Serializable, GeneratePropertyBag]
+[NodeDescription(name: "Use Utility Pattern", story: "원거리 견제 패턴 실행", category: "Action", id: "f29d4556f2d04f6bb80418f9f9fe2c68")]
+public partial class UseUtilityPatternAction : UsePatternRoleActionBase
+{
+    protected override BossCombatPatternRole PatternRole => BossCombatPatternRole.Utility;
+}

Assets/_Game/Scripts/AI/BehaviorActions/Actions/UseUtilityPatternAction.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 36c98678f964a7447bede88fedc04561