feat: 지도 모바일 두 번 탭 이동을 복원

Ref처럼 첫 탭은 도시 툴팁만 표시하고 같은 도시의 두 번째 탭에서 이동하도록 한다. 한 번 탭 모드와 localStorage 보존, PC hover/click 회귀를 Chromium 테스트로 검증한다.

app/game-frontend/src/stores/mapViewer.ts

@@ -3,14 +3,23 @@ import { defineStore } from 'pinia';
 interface MapViewerState {
     showCityName: boolean;
     detailMode: boolean;
+    singleTapNavigation: boolean;
     hoveredCityId: number | null;
     selectedCityId: number | null;
 }
 
+const SINGLE_TAP_STORAGE_KEY = 'sam.toggleSingleTap';
+
+const loadSingleTapNavigation = (): boolean => {
+    if (typeof window === 'undefined') return false;
+    return window.localStorage.getItem(SINGLE_TAP_STORAGE_KEY) === 'yes';
+};
+
 export const useMapViewerStore = defineStore('mapViewer', {
     state: (): MapViewerState => ({
         showCityName: true,
         detailMode: true,
+        singleTapNavigation: loadSingleTapNavigation(),
         hoveredCityId: null,
         selectedCityId: null,
     }),
@@ -21,6 +30,12 @@ export const useMapViewerStore = defineStore('mapViewer', {
         toggleDetailMode() {
             this.detailMode = !this.detailMode;
         },
+        toggleSingleTapNavigation() {
+            this.singleTapNavigation = !this.singleTapNavigation;
+            if (typeof window !== 'undefined') {
+                window.localStorage.setItem(SINGLE_TAP_STORAGE_KEY, this.singleTapNavigation ? 'yes' : 'no');
+            }
+        },
         setHoveredCity(cityId: number | null) {
             this.hoveredCityId = cityId;
         },