feat(images): default frontend assets to image service

app/game-frontend/src/components/main/MapViewer.vue

@@ -7,6 +7,7 @@ import MapCityBasic from './MapCityBasic.vue';
 import MapCityDetail from './MapCityDetail.vue';
 import { useMapViewerStore } from '../../stores/mapViewer';
 import { buildAssetUrl } from '../../utils/mapAssets';
+import { configuredGameAssetUrl } from '../../utils/imageAssets';
 
 interface MapSummary {
     year: number;
@@ -102,7 +103,7 @@ const resolveStateClass = (state: number): CityStateClass => {
     return 'wrong';
 };
 
-const assetBaseUrl = computed(() => import.meta.env.VITE_GAME_ASSET_URL?.trim() || '/image/game');
+const assetBaseUrl = computed(configuredGameAssetUrl);
 const resolveAsset = (path: string) => buildAssetUrl(assetBaseUrl.value, path);
 
 const nationById = computed(() => {

app/game-frontend/src/components/main/MessagePlate.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { computed, onBeforeUnmount, onMounted, ref } from 'vue';
 import type { MessageType } from '@sammo-ts/logic';
-import { resolveMessageGeneralIconUrl, useDefaultGeneralIcon } from '../../utils/generalIcon';
+import { DEFAULT_GENERAL_ICON_URL, resolveMessageGeneralIconUrl, useDefaultGeneralIcon } from '../../utils/generalIcon';
 
 interface MessageTarget {
     generalId: number;
@@ -48,7 +48,7 @@ const destination = computed<MessageTarget>(
             nationId: 0,
             nationName: '재야',
             color: '#000000',
-            icon: '/image/icons/default.jpg',
+            icon: DEFAULT_GENERAL_ICON_URL,
         }
 );