feat: 新增战报弹窗与舰队模拟器，重构UI组件

新增 BattleReportDialog、SpyReportDialog、NumberWithTooltip 等组件，完善舰队模拟器功能。重构并引入 Sheet、Sidebar、Tooltip、Skeleton 等 UI 组件，优化界面结构。实现 battle.worker 支持战斗计算，增加 universeStore、fleetStorageLogic 等核心逻辑，完善多语言与类型定义。

src/components/ui/sidebar/SidebarGroupLabel.vue

@@ -0,0 +1,30 @@
+<template>
+  <Primitive
+    data-slot="sidebar-group-label"
+    data-sidebar="group-label"
+    :as="as"
+    :as-child="asChild"
+    :class="
+      cn(
+        'text-sidebar-foreground/70 ring-sidebar-ring flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium outline-hidden transition-[margin,opacity] duration-200 ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0',
+        'group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0',
+        props.class
+      )
+    "
+  >
+    <slot />
+  </Primitive>
+</template>
+
+<script setup lang="ts">
+  import type { PrimitiveProps } from 'reka-ui'
+  import type { HTMLAttributes } from 'vue'
+  import { Primitive } from 'reka-ui'
+  import { cn } from '@/lib/utils'
+
+  const props = defineProps<
+    PrimitiveProps & {
+      class?: HTMLAttributes['class']
+    }
+  >()
+</script>