feat: 重构战报弹窗与模拟器视图，优化UI与逻辑

重构BattleReportDialog和BattleSimulatorView相关静态资源，替换旧版JS/CSS文件，提升界面一致性和交互体验。新增和优化空状态、滚动区域等通用UI组件，移除部分冗余composable，完善多语言内容。引入导弹逻辑，补充版本检测工具，提升整体代码结构和可维护性。

src/router/index.ts

@@ -15,19 +15,8 @@ const router = createRouter({
     { path: '/galaxy', name: 'galaxy', component: () => import('@/views/GalaxyView.vue') },
     { path: '/diplomacy', name: 'diplomacy', component: () => import('@/views/DiplomacyView.vue') },
     { path: '/settings', name: 'settings', component: () => import('@/views/SettingsView.vue') },
-    {
-      path: '/gm',
-      name: 'gm',
-      component: () => import('@/views/GMView.vue'),
-      beforeEnter: (_to, _from, next) => {
-        // GM页面仅在开发模式下可访问
-        if (import.meta.env.DEV) {
-          next()
-        } else {
-          next('/')
-        }
-      }
-    }
+    { path: '/gm', name: 'gm', component: () => import('@/views/GMView.vue') },
+    { path: '/:pathMatch(.*)*', name: 'not-found', component: () => import('@/views/NotFoundView.vue') }
   ]
 })