chore: 导入清理前的完整工程状态（含 Capacitor 原生壳，作为回滚备份点）

apps/web/app/pages/auth/callback.vue

@@ -0,0 +1,51 @@
+<script lang="ts" setup>
+const {
+  configurationMessage,
+  errorMessage,
+  initialize,
+  status,
+} = useYunlefunAuth()
+
+onMounted(() => {
+  void initialize()
+})
+
+const message = computed(() => configurationMessage.value
+  || errorMessage.value
+  || (status.value === 'signed-in'
+    ? '登录成功，正在返回'
+    : status.value === 'error'
+      ? '登录未完成，请返回后重试'
+      : '正在验证云乐坊授权'))
+</script>
+
+<template>
+  <ion-page>
+    <ion-header>
+      <ion-toolbar>
+        <ion-title>登录授权</ion-title>
+      </ion-toolbar>
+    </ion-header>
+
+    <ion-content>
+      <ion-list :inset="true">
+        <ion-item>
+          <ion-spinner
+            v-if="status === 'idle' || status === 'checking' || status === 'signing-in'"
+            slot="start"
+            name="crescent"
+          />
+          <ion-icon
+            v-else
+            slot="start"
+            :color="status === 'signed-in' ? 'success' : 'danger'"
+            :icon="status === 'signed-in' ? ioniconsCheckmarkCircleOutline : ioniconsAlertCircleOutline"
+          />
+          <ion-label class="ion-text-wrap">
+            {{ message }}
+          </ion-label>
+        </ion-item>
+      </ion-list>
+    </ion-content>
+  </ion-page>
+</template>