fix: 중간지점 UI 개선, 모임 참여 에러 핸들링

app/result/[id]/page.tsx

@@ -8,8 +8,10 @@ import KakaoMapLine from '@/components/map/kakaoMapLine';
 import { useMidpoint } from '@/hooks/api/query/useMidpoint';
 import { useCheckMeeting } from '@/hooks/api/query/useCheckMeeting';
 import { getMeetingUserId } from '@/lib/storage';
+import { useQueryClient } from '@tanstack/react-query';
 
 export default function Page() {
+  const queryClient = useQueryClient();
   const openModal = useOpenModal();
   const router = useRouter();
   const params = useParams();
@@ -103,6 +105,9 @@ export default function Page() {
   const [selectedResultId, setSelectedResultId] = useState<number>(1);
 
   const handleModifyStart = () => {
+    queryClient.removeQueries({ queryKey: ['midpoint', id] });
+    queryClient.removeQueries({ queryKey: ['recommend', id] });
+
     router.back();
   };
 

components/join/joinForm.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useRouter, useSearchParams } from 'next/navigation'; // [추가] useSearchParams
+import { useRouter, useSearchParams } from 'next/navigation';
 import { useState, useEffect } from 'react';
 import { useEnterParticipant } from '@/hooks/api/mutation/useEnterParticipant';
 import { useToast } from '@/hooks/useToast';
@@ -14,15 +14,15 @@
 
 export default function JoinForm({ meetingId }: JoinFormProps) {
   const router = useRouter();
-  const searchParams = useSearchParams(); // [추가] 쿼리 스트링 읽기용 훅
+  const searchParams = useSearchParams();
 
   // meetingId는 부모(Page)에서 props로 전달받음
   const { isLogin, isChecking } = useIsLoggedIn(meetingId);
 
   const [name, setName] = useState('');
   const [password, setPassword] = useState('');
   const [isRemembered, setIsRemembered] = useState(true);
-  const [errorMessage, setErrorMessage] = useState(''); // [수정] string 타입으로 초기화
+  const [errorMessage, setErrorMessage] = useState('');
 
   const participantEnter = useEnterParticipant();
   const { isVisible, show } = useToast();
@@ -68,7 +68,7 @@
     if (!isFormValid || !meetingId) return;
 
     try {
-      // @ts-ignore (혹시 모를 타입 불일치 방지, API 스펙에 따라 제거 가능)
+      // @ts-ignore
       const result = await participantEnter.mutateAsync({
         meetingId,
         data: {
@@ -77,15 +77,24 @@
         },
       });
 
+      // 1. HTTP 200 OK지만 논리적 실패인 경우 (success: false)
       if (result.success) {
         setMeetingUserId(meetingId, name, isRemembered);
         router.push(`/meeting/${meetingId}`);
       } else {
-        setErrorMessage('모임 참여에 실패했습니다. 다시 시도해주세요.');
+        setErrorMessage(result.data.message || '모임 참여에 실패했습니다. 다시 시도해주세요.');
         show();
       }
-    } catch (error) {
-      setErrorMessage('모임 참여에 실패했습니다. 이름과 비밀번호를 확인해주세요.');
+    } catch (error: any) {
+      const errorData = error.data || error.response?.data;
+      const serverMessage = errorData?.message;
+
+      if (serverMessage) {
+        setErrorMessage(serverMessage);
+      } else {
+        setErrorMessage('모임 참여에 실패했습니다. 다시 시도해주세요.');
+      }
+
       show();
     }
   };

components/map/kakaoMapLine.tsx

@@ -52,7 +52,6 @@ export default function KakaoMapLine({
 }: KakaoMapLineProps) {
   const router = useRouter();
   const [map, setMap] = useState<kakao.maps.Map | null>(null);
-  const [hoveredUserId, setHoveredUserId] = useState<string | null>(null);
 
   useEffect(() => {
     if (!map || !endStation || userRoutes.length === 0) return;
@@ -83,38 +82,28 @@ export default function KakaoMapLine({
     let meetingType = '';
     let category = '';
 
-    // 🔥 1순위: localStorage에서 가져오기
     if (typeof window !== 'undefined') {
       meetingType = localStorage.getItem(`meeting_${meetingId}_meetingType`) || '';
       category = localStorage.getItem(`meeting_${meetingId}_category`) || '';
     }
 
-    // 🔥 2순위: localStorage에 없으면 purposes에서 가져오기 (fallback)
     if (!meetingType && purposes && purposes.length > 0) {
       meetingType = purposes[0];
     }
     if (!category && purposes && purposes.length > 1) {
       category = purposes[purposes.length - 1];
     }
 
-    console.log('🔍 meetingType:', meetingType);
-    console.log('🔍 category:', category);
-
     const params = new URLSearchParams({
       meetingId,
       midPlace: endStation.name,
       lat: endStation.latitude.toString(),
       lng: endStation.longitude.toString(),
     });
 
-    if (meetingType) {
-      params.append('meetingType', meetingType);
-    }
-    if (category) {
-      params.append('category', category);
-    }
+    if (meetingType) params.append('meetingType', meetingType);
+    if (category) params.append('category', category);
 
-    console.log('🔍 final URL:', `/recommend?${params.toString()}`);
     router.push(`/recommend?${params.toString()}`);
   };
 
@@ -136,18 +125,18 @@ export default function KakaoMapLine({
         level={8}
         onCreate={setMap}
       >
+        {/* 도착지 마커 */}
         <CustomOverlayMap
           position={{ lat: endStation.latitude, lng: endStation.longitude }}
-          yAnchor={1.2}
-          zIndex={20}
+          yAnchor={0.5}
+          zIndex={100}
         >
           <div className="flex items-center justify-center rounded-full border border-white bg-[#A95623] px-4 py-1.5 shadow-md">
             <span className="text-sm font-semibold text-white">{endStation.name}</span>
           </div>
         </CustomOverlayMap>
 
         {userRoutes.map((userRoute, index) => {
-          const isHovered = hoveredUserId === userRoute.nickname;
           const userColor = getRandomHexColor(userRoute.nickname);
 
           const offsetMultiplier = index - (userRoutes.length - 1) / 2;
@@ -181,36 +170,32 @@ export default function KakaoMapLine({
                 />
               )}
 
-              <CustomOverlayMap position={markerPosition} yAnchor={1} zIndex={isHovered ? 60 : 15}>
-                <div
-                  className="group relative flex cursor-pointer flex-col items-center"
-                  onMouseEnter={() => setHoveredUserId(userRoute.nickname)}
-                  onMouseLeave={() => setHoveredUserId(null)}
-                >
-                  <div
-                    className={`absolute bottom-full mb-2 flex flex-col items-center rounded bg-gray-900 px-3 py-1 shadow-lg transition-all duration-200 ${
-                      isHovered
-                        ? 'translate-y-0 opacity-100'
-                        : 'pointer-events-none translate-y-2 opacity-0'
-                    }`}
-                  >
-                    <span className="text-xs whitespace-nowrap text-white">
-                      {userRoute.startStation} ({userRoute.travelTime}분)
+              {/* 출발지 마커 & 정보창 (항상 표시) */}
+              <CustomOverlayMap
+                position={markerPosition}
+                yAnchor={1}
+                zIndex={30} // 마커가 선보다 위에 오도록
+              >
+                <div className="flex flex-col items-center">
+                  {/* 1. 상단 정보 말풍선 (검은색 박스) */}
+                  <div className="relative mb-2 flex min-w-[80px] flex-col items-center justify-center rounded bg-[#2C2F36] px-3 py-2 shadow-lg">
+                    <span className="text-[11px] leading-tight whitespace-nowrap text-white">
+                      {userRoute.startStation}역에서
+                    </span>
+                    <span className="text-blue-2 mt-0.5 text-[14px] leading-tight font-semibold whitespace-nowrap">
+                      {userRoute.travelTime}분
                     </span>
-                    <div className="absolute -bottom-1 h-2 w-2 rotate-45 bg-gray-900"></div>
+
+                    {/* 말풍선 꼬리 (아래쪽 화살표) */}
+                    <div className="absolute -bottom-1.5 left-1/2 h-3 w-3 -translate-x-1/2 rotate-45 transform bg-[#2C2F36]"></div>
                   </div>
 
+                  {/* 2. 하단 원형 프로필 아이콘 */}
                   <div
-                    className={`flex items-center justify-center rounded-full border-2 border-white shadow-sm transition-transform duration-200 ${
-                      isHovered ? 'z-50 scale-125' : 'scale-100'
-                    }`}
-                    style={{
-                      backgroundColor: userColor,
-                      width: '32px',
-                      height: '32px',
-                    }}
+                    className="z-10 flex h-10 w-10 items-center justify-center rounded-full border-2 border-white shadow-md"
+                    style={{ backgroundColor: userColor }}
                   >
-                    <span className="text-xs font-bold text-white">
+                    <span className="text-lg font-bold text-white">
                       {userRoute.nickname.charAt(0)}
                     </span>
                   </div>
@@ -223,7 +208,7 @@ export default function KakaoMapLine({
 
       <div className="absolute top-4 left-1/2 z-10 -translate-x-1/2 transform">
         <button
-          className="bg-blue-5 hover:bg-blue-8 flex h-10 items-center rounded-full px-5 text-sm font-bold text-white shadow-lg transition-colors"
+          className="bg-blue-5 hover:bg-blue-8 flex h-10 items-center rounded-full px-5 text-sm font-bold whitespace-nowrap text-white shadow-lg transition-colors"
           onClick={handleRecommendClick}
         >
           {endStation.name}역 주변 장소 추천

hooks/api/query/useCheckMeeting.ts

@@ -14,7 +14,7 @@ export const useCheckMeeting = (meetingId: string) => {
       return apiGet<MeetingStatusResponse>(`/api/meeting/${meetingId}/status`);
     },
     enabled: hasUserId && !!meetingId,
-    refetchInterval: 10000,
+    refetchInterval: 5000,
     retry: false,
     throwOnError: false,
   });