fix:后端错误

client/app/(onboarding)/onboarding.tsx

@@ -12,7 +12,7 @@ import { buildUserProfileFromQuestionnaire, mapOnboardingSelectionsToQuestionnai
 import { ensureDailyWidgetRecoUpToDate, syncWidgetConfig, syncWidgetUserProfileFromScoring } from '@/src/modules/dailyWidgetReco';
 import { toBackendLocaleFromLanguageTag } from '@/src/i18n/locale';
 import { fetchRecoFeed } from '@/src/services/recoApi';
-import { getExpoPushTokenOrThrow, registerPushToken, setPushPreferences } from '@/src/services/pushApi';
+import { ensurePushTokenRegisteredIfPermitted, setPushPreferences } from '@/src/services/pushApi';
 import {
   recordRecoFeedServed,
   setOnboardingCompleted,
@@ -128,7 +128,8 @@ export default function OnboardingScreen() {
     await setPushPromptState('unknown');
     try {
       const { status } = await Notifications.requestPermissionsAsync();
-      if (status !== 'granted') {
+      // iOS 可能出现 provisional（临时授权），也应视为“已授权”
+      if (status !== 'granted' && status !== ('provisional' as any)) {
         await setPushPromptState('skipped');
         return;
       }
@@ -140,10 +141,8 @@ export default function OnboardingScreen() {
         return;
       }
 
-      // 1) 获取 Expo Push Token（失败才认为“推送开启失败”）
-      const expoPushToken = await getExpoPushTokenOrThrow();
-      // 2) 上报 token 到后端（幂等；失败才认为“推送开启失败”）
-      await registerPushToken({ pushToken: expoPushToken });
+      // 1) 上报 token 到后端（幂等；失败才认为“推送开启失败”）
+      await ensurePushTokenRegisteredIfPermitted();
 
       // 3) 上报推送偏好（幂等）
       // 注意：这一步失败时，后端仍可能已成功接收 token。

client/app/_layout.tsx

@@ -87,6 +87,17 @@ export default function RootLayout() {
       });
   }, []);
 
+  useEffect(() => {
+    // 兜底：当用户在系统弹窗/系统设置里变更权限后，App 回到前台时再同步一次 token
+    const sub = AppState.addEventListener('change', (state) => {
+      if (state !== 'active') return;
+      ensurePushTokenRegisteredIfPermitted().catch(() => {
+        // ignore：不阻塞
+      });
+    });
+    return () => sub.remove();
+  }, []);
+
   useEffect(() => {
     // 字体与 i18n 都准备好后，允许渲染 App（原生 splash 的隐藏交给 onLayout，避免“硬切/闪白”）
     if (loaded && i18nReady) setAppReady(true);

client/components/home/ProfileModal.tsx

@@ -41,7 +41,7 @@ import QuestionIcon from '@/assets/images/home/Profile/widget/question_icon.svg'
 import * as Notifications from 'expo-notifications';
 import { changeLanguage } from '@/src/i18n';
 import { fetchLegalLinks } from '@/src/services/legalApi';
-import { ensurePushTokenRegisteredIfPermitted, getExpoPushTokenOrThrow, registerPushToken, setPushPreferences } from '@/src/services/pushApi';
+import { ensurePushTokenRegisteredIfPermitted, setPushPreferences } from '@/src/services/pushApi';
 
 const { width } = Dimensions.get('window');
 
@@ -430,14 +430,13 @@ function DailyReminderPage({ visible, onDone }: { visible: boolean; onDone: () =
       // 调试：打印状态
       console.log('Push Permission Status:', status);
 
-      if (status === 'granted') {
+      if (status === 'granted' || (status as any) === 'provisional') {
         setPushEnabled(true);
         setHasSystemPermission(true);
 
         // 获取 token 并上报后端（幂等）
         try {
-          const expoPushToken = await getExpoPushTokenOrThrow();
-          await registerPushToken({ pushToken: expoPushToken });
+          await ensurePushTokenRegisteredIfPermitted();
           // 偏好同步失败不应被用户感知为“开启失败”
           // （常见现象：后端已接收 token，但偏好接口短暂失败/超时）
           try {

client/src/services/pushApi.ts

@@ -160,10 +160,15 @@ export async function registerPushToken(args: { pushToken: string }): Promise<vo
   });
 }
 
+function isSystemNotificationPermissionGranted(status: unknown): boolean {
+  // iOS 可能出现 provisional（临时授权），在 Push 场景也应视为“可获取 token 并上报”
+  return status === 'granted' || status === 'provisional';
+}
+
 export async function ensurePushTokenRegisteredIfPermitted(): Promise<{ ok: boolean; reason: string }> {
   // 只要系统权限已授权，就应尽早把 token 写入后端（不依赖用户在“每日提醒”里点确认）
   const settings = await Notifications.getPermissionsAsync();
-  if (settings.status !== 'granted') return { ok: false, reason: 'permission_not_granted' };
+  if (!isSystemNotificationPermissionGranted(settings.status)) return { ok: false, reason: 'permission_not_granted' };
 
   const token = await getExpoPushTokenOrThrow();