플레이어 체력 자연 회복 기능 추가

전투 상태 감지 기능
player stat으로 관리 가능

Assets/Scripts/PlayerStats.cs

@@ -19,6 +19,12 @@ namespace Northbound
         [SerializeField] private float baseSight = 10f;
         [SerializeField] private float baseAttackRange = 2f;
 
+        [Header("Health Regeneration")]
+        [Tooltip("초당 체력 회복량")]
+        [SerializeField] private float baseHpRegen = 2f;
+        [Tooltip("전투 종료 후 회복 시작까지의 대기 시간 (초)")]
+        [SerializeField] private float baseHpRegenDelay = 5f;
+
         private PlayerUpgradeManager _upgradeManager;
 
         private void Awake()
@@ -129,6 +135,25 @@ namespace Northbound
             return baseAttackRange + bonus;
         }
 
+        /// <summary>
+        /// 초당 체력 회복량 반환
+        /// </summary>
+        public float GetHpRegen()
+        {
+            float bonus = CalculateStatBonus("player_hp_regen");
+            return baseHpRegen + bonus;
+        }
+
+        /// <summary>
+        /// 전투 종료 후 회복 시작 대기 시간 반환 (초)
+        /// </summary>
+        public float GetHpRegenDelay()
+        {
+            float bonus = CalculateStatBonus("player_hp_regen_delay");
+            // delay는 보통 줄어드는 것이 좋으므로 음수 bonus는 감소로 처리
+            return Mathf.Max(1f, baseHpRegenDelay + bonus);
+        }
+
         #region Base Stat Setters (에디터/초기화용)
 
         public void SetBaseMaxHp(int value) => baseMaxHp = value;
@@ -138,6 +163,8 @@ namespace Northbound
         public void SetBaseMoveSpeed(float value) => baseMoveSpeed = value;
         public void SetBaseSight(float value) => baseSight = value;
         public void SetBaseAttackRange(float value) => baseAttackRange = value;
+        public void SetBaseHpRegen(float value) => baseHpRegen = value;
+        public void SetBaseHpRegenDelay(float value) => baseHpRegenDelay = value;
 
         #endregion
 
@@ -153,7 +180,9 @@ namespace Northbound
                       $"  Manpower: {GetManpower()} (기본: {baseManpower})\n" +
                       $"  Move Speed: {GetMoveSpeed()} (기본: {baseMoveSpeed})\n" +
                       $"  Sight: {GetSight()} (기본: {baseSight})\n" +
-                      $"  Attack Range: {GetAttackRange()} (기본: {baseAttackRange})");
+                      $"  Attack Range: {GetAttackRange()} (기본: {baseAttackRange})\n" +
+                      $"  HP Regen: {GetHpRegen():F1}/s (기본: {baseHpRegen})\n" +
+                      $"  HP Regen Delay: {GetHpRegenDelay():F1}s (기본: {baseHpRegenDelay})");
 
             if (_upgradeManager != null)
             {