feat: 初始化项目结构与核心功能

引入项目基础目录结构，包含多语言支持、主要页面与组件、核心游戏逻辑、UI 组件库、加密与本地持久化、自动化 Docker 构建流程、GitHub issue 模板（中英文）、README（中英文）、LICENSE 及开发配置文件。实现 OGame 单机版主要功能模块，为后续开发和扩展奠定基础。

src/components/ConfirmDialog.vue

@@ -0,0 +1,51 @@
+<template>
+  <Teleport to="body">
+    <div v-if="isOpen" class="fixed inset-0 z-50 flex items-center justify-center">
+      <div class="fixed inset-0 bg-black/50" @click="handleCancel" />
+      <div class="relative bg-card border rounded-lg shadow-lg p-6 max-w-md w-full mx-4 z-10">
+        <h2 class="text-lg font-semibold mb-2">{{ dialogProps?.title }}</h2>
+        <p class="text-sm text-muted-foreground mb-6">{{ dialogProps?.message }}</p>
+
+        <div class="flex justify-end gap-3">
+          <Button @click="handleCancel" variant="outline">{{ t('common.cancel') }}</Button>
+          <Button @click="handleConfirm" variant="default">{{ t('common.confirm') }}</Button>
+        </div>
+      </div>
+    </div>
+  </Teleport>
+</template>
+
+<script setup lang="ts">
+  import { ref } from 'vue'
+  import { Button } from '@/components/ui/button'
+  import { useI18n } from '@/composables/useI18n'
+
+  const { t } = useI18n()
+
+  interface ConfirmDialogProps {
+    title: string
+    message: string
+    onConfirm: () => void
+  }
+
+  const isOpen = ref(false)
+  const dialogProps = ref<ConfirmDialogProps | null>(null)
+
+  const show = (props: ConfirmDialogProps) => {
+    dialogProps.value = props
+    isOpen.value = true
+  }
+
+  const handleConfirm = () => {
+    if (dialogProps.value) {
+      dialogProps.value.onConfirm()
+    }
+    isOpen.value = false
+  }
+
+  const handleCancel = () => {
+    isOpen.value = false
+  }
+
+  defineExpose({ show })
+</script>