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/External/Animations/AnimationBaseLocomotion/Samples/Scripts/SampleObjectLockOn.cs

@@ -0,0 +1,82 @@
+// Copyright (c) 2024 Synty Studios Limited. All rights reserved.
+//
+// Use of this software is subject to the terms and conditions of the Synty Studios End User Licence Agreement (EULA)
+// available at: https://syntystore.com/pages/end-user-licence-agreement
+//
+// Sample scripts are included only as examples and are not intended as production-ready.
+
+using UnityEngine;
+
+namespace Synty.AnimationBaseLocomotion.Samples
+{
+    public class SampleObjectLockOn : MonoBehaviour
+    {
+        public Material _highlightMat;
+        public Material _targetMat;
+        private Transform _highlightOrb;
+
+        private MeshRenderer _meshRenderer;
+
+        /// <inheritdoc cref="Start" />
+        private void Start()
+        {
+            _highlightOrb = transform.Find("TargetHighlight");
+            _meshRenderer = _highlightOrb.GetComponent<MeshRenderer>();
+
+            if (_meshRenderer == null)
+            {
+                Debug.LogError("This script requires a MeshRenderer component on the GameObject.");
+            }
+        }
+
+        /// <summary>
+        ///     Adds this object as a potential lock on target if the player is within range of the target.
+        /// </summary>
+        /// <param name="otherCollider">The collider to check.</param>
+        private void OnTriggerEnter(Collider otherCollider)
+        {
+            SamplePlayerAnimationController playerAnimationController = otherCollider.GetComponent<SamplePlayerAnimationController>();
+
+            // Only interested in player collisions if they have the controller script.
+            if (playerAnimationController != null)
+            {
+                playerAnimationController.AddTargetCandidate(gameObject);
+            }
+        }
+
+        /// <summary>
+        ///     Removes this object as a potential lock on target if the player is within range of the target.
+        /// </summary>
+        /// <param name="otherCollider">The collider to check.</param>
+        private void OnTriggerExit(Collider otherCollider)
+        {
+            SamplePlayerAnimationController playerAnimationController = otherCollider.GetComponent<SamplePlayerAnimationController>();
+
+            // Only interested in player collisions if they have the controller script.
+            if (playerAnimationController != null)
+            {
+                playerAnimationController.RemoveTarget(gameObject);
+                Highlight(false, false);
+            }
+        }
+
+        /// <summary>
+        ///     Sets the highlight status of this object, and which highlight to use.
+        /// </summary>
+        /// <param name="enable">Whether the highlight is enabled on this object; or not.</param>
+        /// <param name="targetLock">Whether this object is locked on to; or not.</param>
+        public void Highlight(bool enable, bool targetLock)
+        {
+            Material currentMaterial = targetLock ? _targetMat : _highlightMat;
+
+            if (_highlightOrb != null)
+            {
+                _highlightOrb.gameObject.SetActive(enable);
+                if (enable)
+                {
+                    _meshRenderer.material = currentMaterial;
+                }
+            }
+        }
+    }
+}