feat(子弹): 新增狐狸爪子弹及其相关功能

添加FoxZhua子弹类型，包含追踪功能
修改FireScan子弹伤害计算方式为基于距离百分比
扩展BulletBase添加原始伤害和距离计算功能
更新Chick角色使用新子弹和调整攻击逻辑
调整Wave生成逻辑添加Boss检测功能
优化FirePot粒子效果和参数

components/Characters/Chick.tscn

@@ -43,15 +43,15 @@ animations = [{
 }]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_x766l"]
-size = Vector2(57, 62)
+size = Vector2(57, 114)
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_w0sit"]
-radius = 37.054016
+radius = 61.03278
 
 [node name="Chick" instance=ExtResource("1_goqmy")]
 script = ExtResource("2_r6bub")
 isBoss = true
-displayName = "小鸡"
+displayName = "狐狸"
 drops = Array[int]([0, 1])
 dropCounts = Array[Vector2]([Vector2(10, 30), Vector2(15, 50)])
 appleCount = Vector2i(2, 4)
@@ -78,28 +78,31 @@ sprite_frames = SubResource("SpriteFrames_xji3d")
 animation = &"walk"
 
 [node name="staticAnimation" parent="texture" index="1"]
-position = Vector2(0, -39)
-scale = Vector2(0.42847547, 0.42847547)
+position = Vector2(0, -94)
+scale = Vector2(0.72807497, 0.72807497)
 sprite_frames = SubResource("SpriteFrames_x766l")
 animation = &"idle"
 
 [node name="hitbox" parent="texture/hurtbox" index="0"]
-position = Vector2(-0.5, -51)
+position = Vector2(-0.5, -113)
 shape = SubResource("RectangleShape2D_x766l")
 
 [node name="hitbox2" type="CollisionShape2D" parent="texture/hurtbox" index="1"]
-position = Vector2(73, -76)
+position = Vector2(117, -149)
 shape = SubResource("CircleShape2D_w0sit")
 
 [node name="normal" type="Node2D" parent="texture/weapons" index="0"]
-position = Vector2(79, -63)
+position = Vector2(134, -130)
 
 [node name="firepot" parent="texture/weapons/normal" index="0" instance=ExtResource("6_kvx3n")]
 unique_name_in_owner = true
 
+[node name="foot" type="Node2D" parent="texture/weapons" index="1"]
+position = Vector2(56, 28)
+
 [node name="trailParticle" parent="texture" index="7"]
 position = Vector2(1, -50)
 
 [node name="statebar" parent="." index="4" node_paths=PackedStringArray("entity")]
-position = Vector2(0, -167)
+position = Vector2(0, -294)
 entity = NodePath("..")