fix: 프로필 프론트 빌드 heap을 분리

운영 runtime의 공용 Node heap은 유지하면서 profile vue-tsc와 Vite build에만 별도 NODE_OPTIONS를 적용한다.\n\nsam.hided.net HWE에서 확인한 1536 MiB heap OOM을 2048 MiB build override로 처리할 수 있도록 회귀 테스트와 운영 문서를 추가한다.

app/gateway-api/src/orchestrator/gatewayOrchestrator.ts

@@ -512,13 +512,15 @@ const sanitizeArtifactName = (value: string): string => value.replace(/[^0-9A-Za
 const buildProfileFrontendOutDir = (workspaceRoot: string, profileName: string): string =>
     path.join(workspaceRoot, '.release-dist', sanitizeArtifactName(profileName), 'game-frontend');
 
-const buildProfileFrontendCommands = (
+export const buildProfileFrontendCommands = (
     workspaceRoot: string,
     profile: Pick<GatewayProfileRecord, 'profileName' | 'profile' | 'apiPort'>,
     env?: Record<string, string>
 ): BuildCommand[] => {
+    const profileFrontendBuildNodeOptions = env?.PROFILE_FRONTEND_BUILD_NODE_OPTIONS?.trim();
     const buildEnv = {
         ...(env ?? {}),
+        ...(profileFrontendBuildNodeOptions ? { NODE_OPTIONS: profileFrontendBuildNodeOptions } : {}),
         VITE_APP_BASE_PATH: `/${profile.profile}`,
         VITE_GAME_API_URL: `/${profile.profile}/api/trpc`,
         VITE_GAME_SSE_URL: `/${profile.profile}/api/events`,