fix:重复点击

client/app/(onboarding)/onboarding.tsx

@@ -44,6 +44,7 @@ export default function OnboardingScreen() {
   const [name, setName] = useState('');
   const [selections, setSelections] = useState<Record<string, string[]>>({});
   const [reminderTimes, setReminderTimes] = useState(3);
+  const [finishing, setFinishing] = useState(false);
 
   const currentStep = STEPS[stepIndex];
   const currentTitle = useMemo(() => t(`onboardingSurvey.steps.${currentStep.id}.title`), [t, currentStep.id]);
@@ -56,6 +57,9 @@ export default function OnboardingScreen() {
   }, [t, currentStep]);
 
   async function onFinish() {
+    if (finishing) return;
+    setFinishing(true);
+    try {
     // 用户选择每日次数 > 0：在此页直接触发系统通知权限（已移除单独的 push 引导页）。
     const wantsPush = reminderTimes > 0;
 
@@ -159,9 +163,17 @@ export default function OnboardingScreen() {
     } finally {
       router.replace('/(app)/home');
     }
+    } catch (e) {
+      // 极端情况下（例如本地存储/初始化异常）避免卡死在 loading：提示并允许用户重试
+      const msg = e instanceof Error ? e.message : String(e);
+      console.warn('[OnboardingFinish] 异常：', msg);
+      Alert.alert(t('push.errorTitle'), t('push.errorDesc'));
+      setFinishing(false);
+    }
   }
 
   const onNext = () => {
+    if (finishing) return;
     if (stepIndex < STEPS.length - 1) {
       setStepIndex(stepIndex + 1);
     } else {
@@ -170,6 +182,7 @@ export default function OnboardingScreen() {
   };
 
   const onBack = () => {
+    if (finishing) return;
     if (stepIndex > 0) {
       setStepIndex(stepIndex - 1);
     }
@@ -177,6 +190,7 @@ export default function OnboardingScreen() {
 
   /** 只跳過當前這一步（不填/不選當前題，進入下一步） */
   const handleSkipCurrentStep = () => {
+    if (finishing) return;
     if (currentStep.type === 'name') {
       onNext();
     } else if (currentStep.type === 'selection') {
@@ -200,6 +214,7 @@ export default function OnboardingScreen() {
   };
 
   const handleSkipStep = () => {
+    if (finishing) return;
     setSelections((prev) => ({ ...prev, [currentStep.id]: [] }));
     onNext();
   };
@@ -236,6 +251,7 @@ export default function OnboardingScreen() {
           value={Math.max(1, reminderTimes)}
           onChange={setReminderTimes}
           onFinish={onFinish}
+          loading={finishing}
           onSkip={() => {
             // 跳过每日提醒：视为 0 次（关闭）
             setReminderTimes(0);