비공개 메모 기능 추가 + 아이콘 개선

- 식당별 1:1 비공개 메모 CRUD (user_memos 테이블)
- 내 기록에 리뷰/메모 탭 분리
- 백오피스 유저 관리에 메모 수/상세 표시
- 리뷰/메모 작성 시 현재 날짜 기본값
- 지도우선/목록우선 버튼 Material Symbols 아이콘 적용

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/app/page.tsx

@@ -4,7 +4,7 @@ import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { GoogleLogin } from "@react-oauth/google";
 import LoginMenu from "@/components/LoginMenu";
 import { api } from "@/lib/api";
-import type { Restaurant, Channel, Review } from "@/lib/api";
+import type { Restaurant, Channel, Review, Memo } from "@/lib/api";
 import { useAuth } from "@/lib/auth-context";
 import MapView, { MapBounds, FlyTo } from "@/components/MapView";
 import SearchBar from "@/components/SearchBar";
@@ -191,6 +191,7 @@ export default function Home() {
   const [showFavorites, setShowFavorites] = useState(false);
   const [showMyReviews, setShowMyReviews] = useState(false);
   const [myReviews, setMyReviews] = useState<(Review & { restaurant_id: string; restaurant_name: string | null })[]>([]);
+  const [myMemos, setMyMemos] = useState<(Memo & { restaurant_name: string | null })[]>([]);
   const [visits, setVisits] = useState<{ today: number; total: number } | null>(null);
   const [userLoc, setUserLoc] = useState<{ lat: number; lng: number }>({ lat: 37.498, lng: 127.0276 });
   const [isSearchResult, setIsSearchResult] = useState(false);
@@ -518,10 +519,15 @@ export default function Home() {
     if (showMyReviews) {
       setShowMyReviews(false);
       setMyReviews([]);
+      setMyMemos([]);
     } else {
       try {
-        const reviews = await api.getMyReviews();
+        const [reviews, memos] = await Promise.all([
+          api.getMyReviews(),
+          api.getMyMemos(),
+        ]);
         setMyReviews(reviews);
+        setMyMemos(memos);
         setShowMyReviews(true);
         setShowFavorites(false);
         setSelected(null);
@@ -534,7 +540,8 @@ export default function Home() {
   const sidebarContent = showMyReviews ? (
     <MyReviewsList
       reviews={myReviews}
-      onClose={() => { setShowMyReviews(false); setMyReviews([]); }}
+      memos={myMemos}
+      onClose={() => { setShowMyReviews(false); setMyReviews([]); setMyMemos([]); }}
       onSelectRestaurant={async (restaurantId) => {
         try {
           const r = await api.getRestaurant(restaurantId);
@@ -563,7 +570,8 @@ export default function Home() {
   const mobileListContent = showMyReviews ? (
     <MyReviewsList
       reviews={myReviews}
-      onClose={() => { setShowMyReviews(false); setMyReviews([]); }}
+      memos={myMemos}
+      onClose={() => { setShowMyReviews(false); setMyReviews([]); setMyMemos([]); }}
       onSelectRestaurant={async (restaurantId) => {
         try {
           const r = await api.getRestaurant(restaurantId);
@@ -618,7 +626,7 @@ export default function Home() {
                     : "border-gray-200 dark:border-gray-700 text-gray-500 dark:text-gray-400 hover:border-blue-300 hover:text-blue-500"
                 }`}
               >
-                {viewMode === "map" ? "🗺 지도우선" : "☰ 목록우선"}
+                <Icon name={viewMode === "map" ? "map" : "list"} size={14} className="mr-0.5" />{viewMode === "map" ? "지도우선" : "목록우선"}
               </button>
               {user && (
                 <>
@@ -1193,6 +1201,7 @@ export default function Home() {
                   ) : (
                     <MyReviewsList
                       reviews={myReviews}
+                      memos={myMemos}
                       onClose={() => {}}
                       onSelectRestaurant={async (restaurantId) => {
                         try {