feat: 添加召唤上限功能及相关资源

添加召唤上限字段和图标，支持武器召唤数量限制
新增小丑鱼饲料资源，包含SVG图标和场景配置
更新实体状态机以支持召唤上限检查和召唤物管理

resources/fieldIcons/召唤上限.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 24 24"><path fill="#ffffff" d="M21 12a3.5 3.5 0 0 1-5.909 2.539A4 4 0 1 1 14 8.535V8h2v4a1.5 1.5 0 0 0 3 0a7 7 0 1 0-3.392 6h3.1A9 9 0 1 1 21 12m-9 2a2 2 0 1 0 0-4a2 2 0 0 0 0 4"/></svg>

resources/fieldIcons/召唤上限.svg.import

@@ -0,0 +1,43 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bvmc6kaaqekel"
+path="res://.godot/imported/召唤上限.svg-b54eb451a81b025d047621f82213934b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/fieldIcons/召唤上限.svg"
+dest_files=["res://.godot/imported/召唤上限.svg-b54eb451a81b025d047621f82213934b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+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
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false