perf: 프로필 프런트엔드 자산을 커밋 단위로 공유한다

정적 운영 빌드에서 프로필별 base와 API 설정을 런타임 JSON으로 분리하고, 공용 Vite 번들과 sourcemap을 한 번만 생성·게시한다. Preview와 기존 정적 artifact의 전환 호환 경계는 유지한다.

app/game-frontend/src/utils/gatewayTrpc.ts

@@ -1,6 +1,7 @@
 import { trpcJsonBodyHttpClientOptions } from '@sammo-ts/common/http/trpcTransport';
 import { createTRPCProxyClient, httpBatchLink } from '@trpc/client';
 import type { AppRouter } from '@sammo-ts/gateway-api';
+import { gameFrontendRuntimeConfig } from '../config/runtimeConfig';
 
 const getSessionToken = (): string | null => {
     if (typeof window === 'undefined') {
@@ -13,7 +14,7 @@ const getSessionToken = (): string | null => {
 export const gatewayTrpc = createTRPCProxyClient<AppRouter>({
     links: [
         httpBatchLink({
-            url: import.meta.env.VITE_GATEWAY_API_URL ?? '/api/trpc',
+            url: gameFrontendRuntimeConfig.gatewayApiUrl,
             ...trpcJsonBodyHttpClientOptions,
             headers() {
                 const token = getSessionToken();

app/game-frontend/src/utils/generalIcon.ts

@@ -4,6 +4,7 @@ import {
     DEFAULT_USER_ICON_PUBLIC_URL,
     externalizeLegacyImageUrl,
 } from './imageAssets.ts';
+import { gameFrontendRuntimeConfig } from '../config/runtimeConfig.ts';
 
 export const DEFAULT_GENERAL_ICON_URL = `${configuredSharedIconPublicUrl()}/default.jpg`;
 export const DEFAULT_GATEWAY_USER_ICON_BASE_URL = DEFAULT_USER_ICON_PUBLIC_URL;
@@ -68,7 +69,7 @@ export const resolveMessageGeneralIconUrl = (
     if (normalized.startsWith('/') || /^https?:\/\//iu.test(normalized)) {
         return normalized;
     }
-    return `${import.meta.env.BASE_URL}${normalized.replace(/^\/+/u, '')}`;
+    return `${gameFrontendRuntimeConfig.appBasePath}${normalized.replace(/^\/+/u, '')}`;
 };
 
 export const useDefaultGeneralIcon = (event: Event): void => {

app/game-frontend/src/utils/trpc.ts

@@ -2,6 +2,7 @@ import { trpcJsonBodyHttpClientOptions } from '@sammo-ts/common/http/trpcTranspo
 import { REALTIME_ACCESS_GRANT_HEADER } from '@sammo-ts/common/realtime/types';
 import { createTRPCProxyClient, httpBatchLink } from '@trpc/client';
 import type { AppRouter } from '@sammo-ts/game-api';
+import { gameFrontendRuntimeConfig } from '../config/runtimeConfig';
 import { resolveBatchRealtimeAccessGrant } from './realtimeAccessGrant';
 import { markGameServerContact } from './gameServerActivity';
 
@@ -16,7 +17,7 @@ const getGameToken = (): string | null => {
 export const trpc = createTRPCProxyClient<AppRouter>({
     links: [
         httpBatchLink({
-            url: import.meta.env.VITE_GAME_API_URL ?? '/api/trpc',
+            url: gameFrontendRuntimeConfig.gameApiUrl,
             ...trpcJsonBodyHttpClientOptions,
             async fetch(input, init) {
                 const result = await globalThis.fetch(input, init);