优化: P2低风险收尾(router404+meta.icon清理+ErrorBoundary接入)

src/App.vue

@@ -3,14 +3,18 @@
     <!-- 主窗口:页面内容(router-view + 页面切换过渡) -->
     <router-view v-slot="{ Component }">
       <transition name="page" mode="out-in">
-        <component :is="Component" />
+        <ErrorBoundary :key="route.path">
+          <component :is="Component" />
+        </ErrorBoundary>
       </transition>
     </router-view>
 
     <!-- 分离窗口:纯内容 -->
     <template #detached>
       <router-view v-slot="{ Component }">
-        <component :is="Component" />
+        <ErrorBoundary :key="route.path">
+          <component :is="Component" />
+        </ErrorBoundary>
       </router-view>
     </template>
 
@@ -35,6 +39,7 @@ import { useProjectStore } from './stores/project'
 import { useAppSettingsStore } from './stores/appSettings'
 import i18n from './i18n'
 import AiChat from './components/AiChat.vue'
+import ErrorBoundary from './components/ErrorBoundary.vue'
 import AppLayout from './components/layout/AppLayout.vue'
 import { aiApi } from '@/api'