코드 리팩토링

재사용성 및 확장성을 고려하여 코드 전반을 리팩토링함

Assets/Scripts/Player/ConsumableBehavior.cs

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+using UnityEngine;
+
+/// <summary>
+/// Consumable behavior for healing items, food, etc.
+/// </summary>
+[CreateAssetMenu(menuName = "Items/Behaviors/Consumable Behavior")]
+public class ConsumableBehavior : ItemBehavior
+{
+    [Header("Consumable Settings")]
+    [SerializeField] private float healAmount = 20f;
+    [SerializeField] private float staminaRestore = 0f;
+
+    public override bool IsConsumable => true;
+
+    private void OnEnable()
+    {
+        if (string.IsNullOrEmpty(behaviorName)) behaviorName = "Consume";
+        if (string.IsNullOrEmpty(animTrigger)) animTrigger = "Consume";
+        canRepeat = false;
+    }
+
+    public override bool CanUse(GameObject user, GameObject target)
+    {
+        // Can use if user has a health component that isn't at full health
+        var health = user.GetComponent<HealthComponent>();
+        if (health == null) return false;
+
+        // Can use if not at full health (healing) or if it restores stamina
+        return !health.IsAtFullHealth() || staminaRestore > 0;
+    }
+
+    public override void Use(GameObject user, GameObject target)
+    {
+        var health = user.GetComponent<HealthComponent>();
+        if (health != null && healAmount > 0)
+        {
+            health.Heal(healAmount);
+        }
+
+        // Stamina restoration would go here when stamina system is implemented
+    }
+
+    public override string GetBlockedReason(GameObject user, GameObject target)
+    {
+        var health = user.GetComponent<HealthComponent>();
+        if (health == null) return "Cannot use this item";
+        if (health.IsAtFullHealth() && staminaRestore <= 0) return "Already at full health";
+        return null;
+    }
+}