feat(角色): 更新Kernyr角色行为和外观

- 修改Kernyr的攻击模式，增加3种攻击类型
- 更新角色贴图和显示名称
- 调整阳毅导弹的尺寸和动画效果
- 修复Diamond子弹追踪时的空引用问题
- 调整测试波次配置

scripts/Contents/Characters/Kernyr.gd

@@ -1,21 +1,38 @@
 extends EntityBase
 class_name Kernyr
 
+var attack1Angle = 0
+var attack0State = 0
+
 func register():
 	fields[FieldStore.Entity.MAX_HEALTH] = 2000
-	fields[FieldStore.Entity.MOVEMENT_SPEED] = 0.1
 	fields[FieldStore.Entity.OFFSET_SHOOT] = 20
-	attackCooldownMap[0] = 300
+	attackCooldownMap[0] = 1000
+	attackCooldownMap[1] = 100
+	attackCooldownMap[2] = 1000
 func ai():
-	PresetEntityAI.follow(self , currentFocusedBoss)
 	tryAttack(0)
+	tryAttack(1)
+	tryAttack(2)
 func attack(type: int):
 	if type == 0:
-		for bullet in BulletBase.generate(
+		var states = [
+			Vector2(-1, 1),
+			Vector2(1, 1),
+			Vector2(1, -1),
+			Vector2(-1, -1)
+		]
+		await sprintTo(currentFocusedBoss.position + 400 * states[attack0State % len(states)], 0.1)
+		attack0State += 1
+		BulletBase.generate(ComponentManager.getBullet("HeavyCrystal"), self , findWeaponAnchor("normal"), position.angle_to_point(currentFocusedBoss.position))
+	elif type == 1:
+		BulletBase.generate(
 			ComponentManager.getBullet("Yangyi"),
 			self ,
 			position,
-			position.angle_to_point(currentFocusedBoss.position)
-		):
-			if bullet is YangyiBullet:
-				pass
+			attack1Angle
+		)
+		attack1Angle += deg_to_rad(360.0 / 20)
+	elif type == 2:
+		for i in randi_range(7, 16):
+			BulletBase.generate(ComponentManager.getBullet("Diamond"), self , position + MathTool.sampleInCircle(20), rotation + deg_to_rad(randf_range(-90, 90)))