refactor(武器系统): 调整水晶武器伤害计算和子弹行为

重构蓝水晶和紫水晶武器的伤害计算方式，将蓝水晶的基础伤害从3降至2
移除紫水晶子弹的分裂和折射功能，将其逻辑移至BulletBase基类
更新相关场景文件中的显示文本和配置参数
调整角色初始武器配置，移除无用音效资源

components/Bullets/PurpleCrystal.tscn

@@ -1,7 +1,7 @@
 [gd_scene load_steps=6 format=3 uid="uid://uj0aqhm8wgy8"]
 
 [ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_45mh7"]
-[ext_resource type="Script" path="res://scripts/Contents/Bullets/PurpleCrystal.gd" id="2_4lnlm"]
+[ext_resource type="Script" uid="uid://t1q1eq8fk0ro" path="res://scripts/Contents/Bullets/PurpleCrystal.gd" id="2_4lnlm"]
 [ext_resource type="Texture2D" uid="uid://c7hyatbuieaj" path="res://resources/bullets/purple-crystal/frames/0.svg" id="2_ca3pq"]
 
 [sub_resource type="SpriteFrames" id="SpriteFrames_r86b3"]
@@ -19,8 +19,8 @@ animations = [{
 
 [node name="PurpleCrystal" instance=ExtResource("1_45mh7")]
 script = ExtResource("2_4lnlm")
-displayName = "水晶"
-lifeTime = 1000.0
+displayName = "紫水晶"
+lifeTime = 1500.0
 
 [node name="texture" parent="." index="0"]
 sprite_frames = SubResource("SpriteFrames_r86b3")