fix(gateway): 전용 데이터베이스 URL을 우선 사용한다

릴리스 프로세스가 전달한 GATEWAY_DATABASE_URL을 API와 orchestrator가 직접 사용하도록 고친다. 원시 POSTGRES_* 재조합으로 특수문자 비밀번호가 깨지는 회귀를 테스트한다.

app/gateway-api/src/gatewayPostgresConfig.ts

@@ -0,0 +1,17 @@
+import { resolvePostgresConfigFromEnv, type PostgresConfig } from '@sammo-ts/infra';
+
+export const resolveGatewayPostgresConfigFromEnv = (
+    env: NodeJS.ProcessEnv = process.env,
+    schema?: string
+): PostgresConfig => {
+    const gatewayDatabaseUrl = env.GATEWAY_DATABASE_URL?.trim();
+    return resolvePostgresConfigFromEnv({
+        env: gatewayDatabaseUrl
+            ? {
+                  ...env,
+                  DATABASE_URL: gatewayDatabaseUrl,
+              }
+            : env,
+        schema,
+    });
+};

app/gateway-api/src/index.ts

@@ -3,6 +3,7 @@ import { runGatewayOrchestrator } from './orchestrator/orchestratorServer.js';
 import { runProfileSeedCli } from './orchestrator/profileSeedCli.js';
 
 export * from './config.js';
+export * from './gatewayPostgresConfig.js';
 export * from './context.js';
 export * from './router.js';
 export * from './server.js';

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

@@ -1,16 +1,16 @@
 import {
     createGatewayPostgresConnector,
     type GatewayPrismaClient,
-    resolvePostgresConfigFromEnv,
 } from '@sammo-ts/infra';
 
 import { resolveGatewayOrchestratorConfigFromEnv } from '../config.js';
+import { resolveGatewayPostgresConfigFromEnv } from '../gatewayPostgresConfig.js';
 import { createGatewayOrchestrator } from './orchestratorFactory.js';
 import { installGatewayShutdownController } from '../lifecycle/shutdownController.js';
 
 export const runGatewayOrchestrator = async (): Promise<void> => {
     const config = resolveGatewayOrchestratorConfigFromEnv();
-    const postgres = createGatewayPostgresConnector(resolvePostgresConfigFromEnv({ schema: config.dbSchema }));
+    const postgres = createGatewayPostgresConnector(resolveGatewayPostgresConfigFromEnv(process.env, config.dbSchema));
     await postgres.connect();
 
     const { orchestrator } = createGatewayOrchestrator(postgres.prisma as GatewayPrismaClient, config, process.env);

app/gateway-api/src/server.ts

@@ -9,11 +9,11 @@ import {
     createGatewayPostgresConnector,
     createRedisConnector,
     type GatewayPrismaClient,
-    resolvePostgresConfigFromEnv,
     resolveRedisConfigFromEnv,
 } from '@sammo-ts/infra';
 
 import { resolveGatewayApiConfigFromEnv } from './config.js';
+import { resolveGatewayPostgresConfigFromEnv } from './gatewayPostgresConfig.js';
 import { createGatewayApiContext } from './context.js';
 import { RedisGatewayFlushPublisher } from './auth/flushPublisher.js';
 import { KakaoOAuthClient } from './auth/kakaoClient.js';
@@ -36,7 +36,7 @@ import { registerRuntimeNavigationRoute } from './navigation/runtimeNavigationRo
 
 export const createGatewayApiServer = async () => {
     const config = resolveGatewayApiConfigFromEnv();
-    const postgres = createGatewayPostgresConnector(resolvePostgresConfigFromEnv({ schema: config.dbSchema }));
+    const postgres = createGatewayPostgresConnector(resolveGatewayPostgresConfigFromEnv(process.env, config.dbSchema));
     const redis = createRedisConnector(resolveRedisConfigFromEnv());
     await postgres.connect();
     await redis.connect();

app/gateway-api/test/gatewayPostgresConfig.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'vitest';
+
+import { resolveGatewayPostgresConfigFromEnv } from '../src/gatewayPostgresConfig.js';
+
+describe('resolveGatewayPostgresConfigFromEnv', () => {
+    it('uses the encoded Gateway URL instead of rebuilding one from raw PostgreSQL credentials', () => {
+        const config = resolveGatewayPostgresConfigFromEnv(
+            {
+                GATEWAY_DATABASE_URL: 'postgresql://sammo:encoded%23password@postgres:5432/sammo?schema=legacy',
+                POSTGRES_USER: 'sammo',
+                POSTGRES_PASSWORD: 'raw#password',
+                POSTGRES_HOST: 'postgres',
+                POSTGRES_PORT: '5432',
+                POSTGRES_DB: 'sammo',
+                POSTGRES_POOL_MAX: '4',
+            },
+            'public'
+        );
+
+        const parsed = new URL(config.url);
+        expect(parsed.password).toBe('encoded%23password');
+        expect(parsed.searchParams.get('schema')).toBe('public');
+        expect(config.maxConnections).toBe(4);
+    });
+
+    it('keeps DATABASE_URL as the fallback for existing launchers', () => {
+        const config = resolveGatewayPostgresConfigFromEnv({
+            DATABASE_URL: 'postgresql://sammo:password@postgres:5432/sammo?schema=public',
+        });
+
+        expect(config.url).toBe('postgresql://sammo:password@postgres:5432/sammo?schema=public');
+    });
+});