feat(武器系统): 添加神手玉武器并完善格挡机制

添加新武器"神手玉"，实现不同类型的攻击格挡效果：
- 近战挥舞：化解伤害
- 近战戳刺：反弹伤害并击退
- 远程射弹：概率弹反
- 猛冲攻击：反弹速度
- 吐息攻击：产生击退
- 魔法/召唤攻击：少量储能

调整Parry.gd的相机震动参数，增加BulletBase的MotionType枚举值STAB，完善Parrier.gd对不同攻击类型的处理逻辑。同时添加Debug测试boss选项，修复AcidS.gd的缩进问题。

components/Bullets/Volcano.tscn

@@ -55,6 +55,18 @@ tracks/3/keys = {
 "update": 1,
 "values": [0]
 }
+tracks/4/type = "value"
+tracks/4/imported = false
+tracks/4/enabled = true
+tracks/4/path = NodePath("%texture/..:motionType")
+tracks/4/interp = 1
+tracks/4/loop_wrap = true
+tracks/4/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [0]
+}
 
 [sub_resource type="Animation" id="Animation_oinqg"]
 resource_name = "destroy"
@@ -151,6 +163,18 @@ tracks/5/keys = {
 "method": &"generateShadow"
 }]
 }
+tracks/6/type = "value"
+tracks/6/imported = false
+tracks/6/enabled = true
+tracks/6/path = NodePath("%texture/..:motionType")
+tracks/6/interp = 1
+tracks/6/loop_wrap = true
+tracks/6/keys = {
+"times": PackedFloat32Array(0, 0.3, 1.45),
+"transitions": PackedFloat32Array(1, 1, 1),
+"update": 1,
+"values": [6, 0, 6]
+}
 
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_w1utg"]
 _data = {
@@ -186,8 +210,8 @@ texture = ExtResource("2_wwxm2")
 [node name="audio" type="AudioStreamPlayer2D" parent="texture/anchor/textureSword" index="0" unique_id=167399724]
 
 [node name="hitbox" parent="." index="1" unique_id=175349408 node_paths=PackedStringArray("target")]
-position = Vector2(150, 0)
-rotation = 1.5707964
+position = Vector2(299.99997, 0.1221919)
+rotation = 0.00040731629
 shape = SubResource("CircleShape2D_1sgli")
 script = ExtResource("7_1sgli")
 target = NodePath("../texture/anchor/textureSword")