refactor: 优化用户认证逻辑，移除未使用的注销功能和用户信息展示

src/views/riwa/index.vue

@@ -1,13 +1,6 @@
 <script setup lang="ts">
-import { authClient } from "@/auth";
-
-const { user } = useAuth();
 const tradingViewContainer = useTemplateRef<HTMLElement>("tradingViewContainer");
 
-async function handleLogout() {
-  await authClient.signOut();
-}
-
 useTradingView(tradingViewContainer, {
   data: [
     // 随机k线图数据
@@ -25,22 +18,12 @@ useTradingView(tradingViewContainer, {
 <template>
   <IonPage>
     <IonHeader>
-      <IonToolbar class="ui-tabbar">
+      <IonToolbar class="ui-toolbar">
         <IonTitle>Home</IonTitle>
       </IonToolbar>
     </IonHeader>
     <IonContent :fullscreen="true">
-      <IonButton @click="$router.push('/auth/login')">
-        Log in
-      </IonButton>
-      <IonButton @click="$router.push('/auth/signup')">
-        Sign up
-      </IonButton>
-      <IonButton @click="handleLogout">
-        Log out
-      </IonButton>
       <div ref="tradingViewContainer" />
-      {{ user }}
     </IonContent>
   </IonPage>
 </template>