chore: Assets 디렉토리 구조 정리 및 네이밍 컨벤션 적용

- Assets/_Game/ 하위로 게임 에셋 통합
- External/ 패키지 벤더별 분류 (Synty, Animations, UI)
- 에셋 네이밍 컨벤션 확립 및 적용
  (Data_Skill_, Data_SkillEffect_, Prefab_, Anim_, Model_, BT_ 등)
- pre-commit hook으로 네이밍 컨벤션 자동 검사 추가
- RESTRUCTURE_CHECKLIST.md 작성

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/HasTargetCondition.cs

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+using System;
+using UnityEngine;
+using Unity.Behavior;
+using Unity.Properties;
+using Condition = Unity.Behavior.Condition;
+using Colosseum.Combat;
+
+namespace Colosseum.AI.BehaviorActions.Conditions
+{
+    /// <summary>
+    /// 타겟이 존재하고 살아있는지 확인합니다.
+    /// </summary>
+    [Serializable, GeneratePropertyBag]
+    [NodeDescription(name: "Has Target", story: "Has [Target]", category: "Combat")]
+    public partial class HasTargetCondition : Condition
+    {
+        [SerializeReference]
+        public BlackboardVariable<GameObject> Target;
+
+        public override bool IsTrue()
+        {
+            if (Target.Value == null || !Target.Value.activeInHierarchy)
+            {
+                return false;
+            }
+
+            // 타겟이 사망했는지 확인
+            IDamageable damageable = Target.Value.GetComponent<IDamageable>();
+            if (damageable != null && damageable.IsDead)
+            {
+                return false;
+            }
+
+            return true;
+        }
+    }
+}

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/HasTargetCondition.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 5aba729f8b5ddea468304d6b1bf43dce

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/IsHealthBelowCondition.cs

@@ -0,0 +1,33 @@
+using System;
+using UnityEngine;
+using Unity.Behavior;
+using Unity.Properties;
+using Condition = Unity.Behavior.Condition;
+using Colosseum.Enemy;
+
+namespace Colosseum.AI.BehaviorActions.Conditions
+{
+    /// <summary>
+    /// 체력이 지정된 비율 이하인지 확인합니다.
+    /// </summary>
+    [Serializable, GeneratePropertyBag]
+    [NodeDescription(name: "Is Health Below", story: "Check if health is below [HealthPercent] percent", category: "Combat")]
+    public partial class IsHealthBelowCondition : Condition
+    {
+        [SerializeReference]
+        public BlackboardVariable<float> HealthPercent = new BlackboardVariable<float>(50f);
+
+        public override bool IsTrue()
+        {
+            EnemyBase enemy = GameObject.GetComponent<EnemyBase>();
+            
+            if (enemy == null)
+            {
+                return false;
+            }
+
+            float currentHealthPercent = (enemy.CurrentHealth / enemy.MaxHealth) * 100f;
+            return currentHealthPercent <= HealthPercent.Value;
+        }
+    }
+}

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/IsHealthBelowCondition.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e03ad43d6a068dd44bef3d524d20a4c1

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/IsInAttackRangeCondition.cs

@@ -0,0 +1,37 @@
+using System;
+using UnityEngine;
+using Unity.Behavior;
+using Unity.Properties;
+using Condition = Unity.Behavior.Condition;
+
+namespace Colosseum.AI.BehaviorActions.Conditions
+{
+    /// <summary>
+    /// 타겟이 공격 사거리 내에 있는지 확인합니다.
+    /// </summary>
+    [Serializable, GeneratePropertyBag]
+    [NodeDescription(name: "Is In Attack Range", story: "Is [Target] within [Range]", category: "Combat")]
+    public partial class IsInAttackRangeCondition : Condition
+    {
+        [SerializeReference]
+        public BlackboardVariable<GameObject> Target;
+        
+        [SerializeReference]
+        public BlackboardVariable<float> Range = new BlackboardVariable<float>(2f);
+
+        public override bool IsTrue()
+        {
+            if (Target.Value == null)
+            {
+                return false;
+            }
+
+            float distance = Vector3.Distance(
+                GameObject.transform.position,
+                Target.Value.transform.position
+            );
+
+            return distance <= Range.Value;
+        }
+    }
+}

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/IsInAttackRangeCondition.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 10007872b79b2b641980c0d8dfd4f6a4

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/IsInRangeCondition.cs

@@ -0,0 +1,33 @@
+using System;
+using UnityEngine;
+using Unity.Behavior;
+using Unity.Properties;
+using Condition = Unity.Behavior.Condition;
+
+namespace Colosseum.AI.BehaviorActions.Conditions
+{
+    /// <summary>
+    /// 타겟이 지정된 거리 내에 있는지 확인합니다.
+    /// </summary>
+    [Serializable, GeneratePropertyBag]
+    [NodeDescription(name: "Is In Range", story: "Is [Target] within [Range] distance", category: "Combat")]
+    public partial class IsInRangeCondition : Condition
+    {
+        [SerializeReference]
+        public BlackboardVariable<GameObject> Target;
+
+        [SerializeReference]
+        public BlackboardVariable<float> Range = new BlackboardVariable<float>(2f);
+
+        public override bool IsTrue()
+        {
+            if (Target.Value == null)
+            {
+                return false;
+            }
+
+            float distance = Vector3.Distance(GameObject.transform.position, Target.Value.transform.position);
+            return distance <= Range.Value;
+        }
+    }
+}

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/IsInRangeCondition.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 0035b82da5a602d44b552684970273a8

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/RandomChanceCondition.cs

@@ -0,0 +1,25 @@
+using System;
+using UnityEngine;
+using Unity.Behavior;
+using Unity.Properties;
+using Condition = Unity.Behavior.Condition;
+
+namespace Colosseum.AI.BehaviorActions.Conditions
+{
+    /// <summary>
+    /// 무작위 확률로 성공/실패를 반환합니다.
+    /// </summary>
+    [Serializable, GeneratePropertyBag]
+    [NodeDescription(name: "Random Chance", story: "Random chance of [Chance] percent", category: "Utility")]
+    public partial class RandomChanceCondition : Condition
+    {
+        [SerializeReference]
+        public BlackboardVariable<float> Chance = new BlackboardVariable<float>(50f);
+
+        public override bool IsTrue()
+        {
+            float roll = UnityEngine.Random.Range(0f, 100f);
+            return roll <= Chance.Value;
+        }
+    }
+}

Assets/_Game/Scripts/AI/BehaviorActions/Conditions/RandomChanceCondition.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 3abe3d08ab4653b43a5a1708770fd3a1