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

components/Characters/Kernyr.tscn

@@ -2,7 +2,7 @@
 
 [ext_resource type="PackedScene" uid="uid://cvogxi7mktumf" path="res://components/Abstracts/EntityBase.tscn" id="1_bha5j"]
 [ext_resource type="Script" uid="uid://m28dwfwmmhmh" path="res://scripts/Contents/Characters/Kernyr.gd" id="2_vkls3"]
-[ext_resource type="Texture2D" uid="uid://cts825oc08b7k" path="res://resources/bullets/yangyi/ppn.jpg" id="3_vkls3"]
+[ext_resource type="Texture2D" uid="uid://d34vkibm8a5e7" path="res://resources/characters/kernyr/koshino.jpg" id="3_vkls3"]
 
 [sub_resource type="SpriteFrames" id="SpriteFrames_vkls3"]
 animations = [{
@@ -22,7 +22,7 @@ size = Vector2(118, 98)
 
 [node name="Kernyr" instance=ExtResource("1_bha5j")]
 script = ExtResource("2_vkls3")
-displayName = "TestBoss"
+displayName = "主核"
 drops = Array[int]([0, 1])
 dropCounts = Array[Vector2]([Vector2(30, 50), Vector2(20, 40)])
 appleCount = Vector2i(2, 5)
@@ -39,4 +39,4 @@ texture = ExtResource("3_vkls3")
 shape = SubResource("RectangleShape2D_vkls3")
 
 [node name="statebar" parent="." index="4"]
-position = Vector2(0, -135)
+position = Vector2(0, -144)