feat(武器系统): 添加自动强化和一键强化功能

- 新增自动强化开关和按钮图标资源
- 实现武器自动强化逻辑
- 添加一键强化功能可连续升级
- 优化武器卡UI布局和样式
- 增加强化操作时的提示信息

resources/ui/update-level.svg.import

@@ -0,0 +1,43 @@
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+}
+
+[deps]
+
+source_file="res://resources/ui/update-level.svg"
+dest_files=["res://.godot/imported/update-level.svg-c783aa8a587d702ab0b6f2ab2cae6028.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
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+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
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+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
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+process/size_limit=0
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