feat: 패시브 트리 프로토타입 구현

- 패시브 트리/노드/프리셋 데이터와 카탈로그 참조 구조를 추가하고 Resources 의존을 Data/Passives 자산 구조로 정리
- 플레이어 런타임, 전투 계수, 프리셋 적용, 멀티플레이 동기화 경로에 패시브 적용 로직 연결
- 프리팹 기반 패시브 트리 UI와 노드 아이콘/프리셋/상세 패널 흐름을 추가하고 HUD에 연동
- 패시브 디버그/부트스트랩 메뉴와 UI 프리팹 재생성 경로를 추가

Assets/_Game/Scripts/UI/PassiveTreeViewReferences.cs

@@ -0,0 +1,64 @@
+using TMPro;
+
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Colosseum.UI
+{
+    /// <summary>
+    /// 패시브 트리 메인 뷰 프리팹의 참조 모음입니다.
+    /// </summary>
+    public class PassiveTreeViewReferences : MonoBehaviour
+    {
+        [Header("Root")]
+        [SerializeField] private RectTransform rootRect;
+        [SerializeField] private GameObject overlayRoot;
+        [SerializeField] private RectTransform panelRect;
+
+        [Header("Header")]
+        [SerializeField] private Button toggleButton;
+        [SerializeField] private TextMeshProUGUI toggleButtonLabel;
+        [SerializeField] private TextMeshProUGUI pointsSummaryText;
+        [SerializeField] private Button closeButton;
+
+        [Header("Body")]
+        [SerializeField] private TextMeshProUGUI selectionSummaryText;
+        [SerializeField] private Button nonePresetButton;
+        [SerializeField] private Button defensePresetButton;
+        [SerializeField] private Button supportPresetButton;
+        [SerializeField] private Button attackPresetButton;
+        [SerializeField] private Button clearButton;
+        [SerializeField] private RectTransform graphRect;
+        [SerializeField] private RectTransform connectionLayer;
+        [SerializeField] private RectTransform nodeLayer;
+        [SerializeField] private RectTransform detailContent;
+        [SerializeField] private TextMeshProUGUI detailText;
+        [SerializeField] private Button selectNodeButton;
+        [SerializeField] private TextMeshProUGUI selectNodeButtonLabel;
+
+        [Header("Footer")]
+        [SerializeField] private TextMeshProUGUI statusText;
+
+        public RectTransform RootRect => rootRect;
+        public GameObject OverlayRoot => overlayRoot;
+        public RectTransform PanelRect => panelRect;
+        public Button ToggleButton => toggleButton;
+        public TextMeshProUGUI ToggleButtonLabel => toggleButtonLabel;
+        public TextMeshProUGUI PointsSummaryText => pointsSummaryText;
+        public Button CloseButton => closeButton;
+        public TextMeshProUGUI SelectionSummaryText => selectionSummaryText;
+        public Button NonePresetButton => nonePresetButton;
+        public Button DefensePresetButton => defensePresetButton;
+        public Button SupportPresetButton => supportPresetButton;
+        public Button AttackPresetButton => attackPresetButton;
+        public Button ClearButton => clearButton;
+        public RectTransform GraphRect => graphRect;
+        public RectTransform ConnectionLayer => connectionLayer;
+        public RectTransform NodeLayer => nodeLayer;
+        public RectTransform DetailContent => detailContent;
+        public TextMeshProUGUI DetailText => detailText;
+        public Button SelectNodeButton => selectNodeButton;
+        public TextMeshProUGUI SelectNodeButtonLabel => selectNodeButtonLabel;
+        public TextMeshProUGUI StatusText => statusText;
+    }
+}