feat: 匹配成功页引导未注册用户注册，保存决策记录

- 未注册用户在匹配成功页看到注册引导卡片
- 注册后自动保存本次决策记录，收藏按钮同步出现
- 将 isRegistered() 调用改为 registered 响应式状态
- 更新 ROADMAP 标记已完成

ROADMAP.md

@@ -39,7 +39,7 @@
 - `viewport-fit=cover` 适配刘海屏
 
 ### 首次体验引导优化
-- 极速救场完成一轮后引导注册（"注册保存记录"）
+- ~~极速救场完成一轮后引导注册（"注册保存记录"）~~（已完成，匹配成功页展示注册卡片，注册后自动保存记录）
 - 盲盒模式先展示 demo / 动画，让用户看到价值再引导注册
 - 统一两个模式的登录体验（目前极速救场不需登录，盲盒必须登录）
 

src/components/MatchResult.tsx

@@ -20,11 +20,13 @@ import {
   Share2,
   Zap,
   Heart,
+  UserPlus,
 } from "lucide-react";
-import { Restaurant, MatchType, RunnerUp, SceneType } from "@/types";
+import { Restaurant, MatchType, RunnerUp, SceneType, UserProfile } from "@/types";
 import { fireCelebration, playChime } from "@/lib/celebrate";
 import { isRegistered } from "@/lib/userId";
 import ShareCardModal from "@/components/ShareCardModal";
+import AuthModal from "@/components/AuthModal";
 
 interface MatchResultProps {
   restaurant: Restaurant;
@@ -193,6 +195,8 @@ export default function MatchResult({
   const isUnanimous = matchType === "unanimous";
   const [favorited, setFavorited] = useState(false);
   const [favLoading, setFavLoading] = useState(false);
+  const [registered, setRegistered] = useState(() => isRegistered());
+  const [showAuth, setShowAuth] = useState(false);
 
   const showToast = useCallback((msg: string) => {
     setToast(msg);
@@ -212,7 +216,7 @@ export default function MatchResult({
 
   useEffect(() => {
     if (historySavedRef.current) return;
-    if (!isRegistered()) return;
+    if (!registered) return;
     if (matchType === "no_match") return;
 
     historySavedRef.current = true;
@@ -227,14 +231,20 @@ export default function MatchResult({
         participants: userCount,
       }),
     }).catch(() => {});
-  }, [userId, roomId, restaurant, matchType, userCount]);
+  }, [registered, userId, roomId, restaurant, matchType, userCount]);
 
   const handleOpenShareCard = useCallback(() => {
     setShowShareCard(true);
   }, []);
 
+  const handleAuth = useCallback((profile: UserProfile) => {
+    setRegistered(true);
+    setShowAuth(false);
+    showToast(`欢迎，${profile.username}！记录已保存`);
+  }, [showToast]);
+
   const handleFavorite = useCallback(async () => {
-    if (!isRegistered() || favorited || favLoading) return;
+    if (!registered || favorited || favLoading) return;
     setFavLoading(true);
     try {
       const res = await fetch("/api/user/favorite", {
@@ -250,7 +260,7 @@ export default function MatchResult({
       /* ignore */
     }
     setFavLoading(false);
-  }, [userId, restaurant, favorited, favLoading, showToast]);
+  }, [registered, userId, restaurant, favorited, favLoading, showToast]);
 
   if (matchType === "no_match") {
     return <NoMatchResult onReset={onReset} resetting={resetting} />;
@@ -344,7 +354,7 @@ export default function MatchResult({
           animate={{ y: 0, opacity: 1 }}
           transition={{ type: "spring", stiffness: 180, damping: 18, delay: 0.5 }}
         >
-          {isRegistered() && (
+          {registered && (
             <motion.button
               onClick={handleFavorite}
               disabled={favLoading}
@@ -466,6 +476,31 @@ export default function MatchResult({
           </motion.button>
         </motion.div>
 
+        {/* Registration nudge */}
+        {!registered && (
+          <motion.div
+            className="mt-5 w-full rounded-2xl bg-surface/80 p-4 ring-1 ring-border/50 backdrop-blur-sm"
+            initial={{ y: 20, opacity: 0 }}
+            animate={{ y: 0, opacity: 1 }}
+            transition={{ delay: 0.75 }}
+          >
+            <p className="text-sm font-medium text-gray-300">
+              注册后，决策记录和收藏不会丢失
+            </p>
+            <p className="mt-1 text-xs text-muted">
+              仅需用户名 + 密码，10 秒完成
+            </p>
+            <motion.button
+              onClick={() => setShowAuth(true)}
+              className="mt-3 flex h-10 w-full items-center justify-center gap-2 rounded-xl bg-accent text-sm font-bold text-white shadow-lg shadow-accent/20 transition-colors hover:bg-accent-hover"
+              whileTap={{ scale: 0.95 }}
+            >
+              <UserPlus size={15} />
+              注册保存记录
+            </motion.button>
+          </motion.div>
+        )}
+
         {/* Runner ups */}
         {!isUnanimous && runnerUpRestaurants.length > 0 && (
           <motion.div
@@ -557,6 +592,13 @@ export default function MatchResult({
         </div>
       </motion.div>
 
+      <AuthModal
+        open={showAuth}
+        onClose={() => setShowAuth(false)}
+        onAuth={handleAuth}
+        defaultTab="register"
+      />
+
       <ShareCardModal
         open={showShareCard}
         onClose={() => setShowShareCard(false)}