fix: support containerized release runtimes

app/release-controller/src/releaseController.ts

@@ -61,7 +61,7 @@ export const buildGatewayProcessDefinitions = (
     const apiCwd = path.join(workspaceRoot, 'app', 'gateway-api');
     const frontendCwd = path.join(workspaceRoot, 'app', 'gateway-frontend');
     const apiScript = path.join(apiCwd, 'dist', 'index.js');
-    const frontendScript = path.join(workspaceRoot, 'node_modules', 'vite', 'bin', 'vite.js');
+    const frontendScript = path.join(frontendCwd, 'node_modules', 'vite', 'bin', 'vite.js');
     const env = {
         ...config.baseEnv,
         GATEWAY_API_HOST: '0.0.0.0',

app/release-controller/test/releaseController.test.ts

@@ -14,7 +14,7 @@ import type {
 import { afterEach, describe, expect, it } from 'vitest';
 
 import { resolveReleaseControllerConfig, type ReleaseControllerConfig } from '../src/config.js';
-import { GatewayReleaseController } from '../src/releaseController.js';
+import { buildGatewayProcessDefinitions, GatewayReleaseController } from '../src/releaseController.js';
 import { upgradeReleaseController } from '../src/selfUpgrade.js';
 
 const SHA = '1111111111111111111111111111111111111111';
@@ -116,6 +116,14 @@ const createRepository = () => {
 
 const gatewayNames = ['sammo:gateway-api', 'sammo:gateway-frontend', 'sammo:gateway-orchestrator'];
 
+it('runs Gateway preview from the frontend workspace dependency', () => {
+    const definitions = buildGatewayProcessDefinitions('/srv/sammo/release', config);
+    const frontend = definitions.find((definition) => definition.name === 'sammo:gateway-frontend');
+    expect(frontend?.script).toBe(
+        '/srv/sammo/release/app/gateway-frontend/node_modules/vite/bin/vite.js'
+    );
+});
+
 describe('GatewayReleaseController', () => {
     it('builds, migrates, switches all gateway roles, verifies readiness, and publishes atomically', async () => {
         const workspace = await createReleaseWorkspace();