feat: 更新UI组件，添加能量条和颜色条，优化能量管理逻辑

scripts/Statemachine/BossBar.gd

@@ -4,8 +4,8 @@ class_name BossBar
 @onready var nameLabel: Label = $"%name"
 @onready var valueLabel: Label = $"%value"
 
-func _process(delta):
-	super._process(delta)
+func _physics_process(delta):
+	super._physics_process(delta)
 	if is_instance_valid(entity):
 		nameLabel.text = entity.displayName
 		valueLabel.text = "%.2f" % (entity.health / entity.fields[FieldStore.Entity.MAX_HEALTH] * 100)