新功能：个性化推荐算法

client/app/(onboarding)/onboarding.tsx

@@ -5,7 +5,16 @@ import { OnboardingLayout } from '@/components/onboarding/OnboardingLayout';
 import { NameInputStep } from '@/components/onboarding/NameInputStep';
 import { SelectionStep } from '@/components/onboarding/SelectionStep';
 import { ReminderStep } from '@/components/onboarding/ReminderStep';
-import { setOnboardingCompleted, setUserProfile, setDailyReminderSettings } from '@/src/storage/appStorage';
+import { buildUserProfileFromQuestionnaire, mapOnboardingSelectionsToQuestionnaireAnswers } from '@/src/features/userProfileScoring';
+import { fetchRecoFeed } from '@/src/services/recoApi';
+import {
+  recordRecoFeedServed,
+  setOnboardingCompleted,
+  setUserProfile,
+  setDailyReminderSettings,
+  setUserProfileScoring,
+  setRecoFeedCache,
+} from '@/src/storage/appStorage';
 
 const STEPS = [
   { id: 'name', type: 'name', title: '我可以怎么称呼你？' },
@@ -71,6 +80,40 @@ export default function OnboardingScreen() {
     const { status } = await Notifications.requestPermissionsAsync();
     const pushEnabled = status === 'granted';
 
+    // 将 Onboarding 选择映射为标准问卷枚举（允许跳过）
+    const answers = mapOnboardingSelectionsToQuestionnaireAnswers(selections);
+
+    // 生成用户画像（供推荐/Push/Widget 复用）
+    const scoringProfile = buildUserProfileFromQuestionnaire(answers);
+    await setUserProfileScoring(scoringProfile);
+
+    // Onboarding 结束后预拉取一次 Feed 文案（失败不阻塞进入首页）
+    try {
+      const { items, meta } = await fetchRecoFeed({
+        k: 30,
+        user_profile: {
+          profile_version: scoringProfile.profile_version,
+          profile_source: scoringProfile.profile_source,
+          profile_generated_at: scoringProfile.profile_generated_at,
+          profile_confidence: scoringProfile.profile_confidence,
+          profile_answered: scoringProfile.profile_answered,
+          stage: scoringProfile.stage,
+          emotion_score: scoringProfile.emotion_score,
+          context: scoringProfile.context,
+          need: scoringProfile.need,
+        },
+      });
+
+      await setRecoFeedCache({
+        saved_at: new Date().toISOString(),
+        items: items.map((x) => ({ content_id: x.content_id, text: x.text })),
+        meta: meta as Record<string, unknown>,
+      });
+      await recordRecoFeedServed(items.map((x) => x.content_id));
+    } catch {
+      // 网络失败时使用首页本地 mock 兜底
+    }
+
     await setUserProfile({ 
       name, 
       intents: Object.values(selections).flat() 
@@ -98,19 +141,30 @@ export default function OnboardingScreen() {
   };
 
   const onSkip = () => {
+    // 跳过整个 Onboarding：仍生成一个“全跳过”的最小画像，保证下游可用
+    const scoringProfile = buildUserProfileFromQuestionnaire({});
+    void setUserProfileScoring(scoringProfile);
+
+    // 标记已完成，避免下次启动再次进入 Onboarding
+    void setOnboardingCompleted(true);
+
     router.replace('/(app)/home');
   };
 
+  // 题目为单选：再次点击可取消；选择其他选项会替换为唯一选项
   const handleToggleSelection = (id: string) => {
     setSelections(prev => {
       const currentIds = prev[currentStep.id] || [];
-      const nextIds = currentIds.includes(id)
-        ? currentIds.filter(i => i !== id)
-        : [...currentIds, id];
+      const nextIds = currentIds.includes(id) ? [] : [id];
       return { ...prev, [currentStep.id]: nextIds };
     });
   };
 
+  const handleSkipStep = () => {
+    setSelections((prev) => ({ ...prev, [currentStep.id]: [] }));
+    onNext();
+  };
+
   return (
     <OnboardingLayout
       title={currentStep.title}
@@ -134,6 +188,7 @@ export default function OnboardingScreen() {
           selectedIds={selections[currentStep.id] || []}
           onToggle={handleToggleSelection}
           onNext={onNext}
+          onSkip={handleSkipStep}
         />
       )}