fix: support containerized release runtimes

app/game-engine/package.json

@@ -8,7 +8,7 @@
     "scripts": {
         "build": "tsdown -c ../../tsdown.config.ts -F @sammo-ts/game-engine",
         "dev": "tsdown -c ../../tsdown.config.ts -F @sammo-ts/game-engine --watch",
-        "start": "pnpm run build && node dist/index.js",
+        "start": "pnpm run build && GAME_ENGINE_ROLE=turn-daemon node dist/index.js",
         "lint": "eslint .",
         "lint:fix": "eslint . --fix",
         "profile:npc-unification-memory": "node scripts/profile-npc-unification-memory.mjs",

app/game-engine/src/index.ts

@@ -1,6 +1,3 @@
-import path from 'node:path';
-import { fileURLToPath } from 'node:url';
-
 import { runTurnDaemonCli } from './turn/cli.js';
 
 export * from './lifecycle/types.js';
@@ -29,17 +26,9 @@ export * from './turn/selectPoolService.js';
 export * from './turn/turnDaemon.js';
 export * from './turn/cli.js';
 
-const isMain = (): boolean => {
-    if (typeof process.env.NODE_APP_INSTANCE === 'string') {
-        return true;
-    }
-    if (!process.argv[1]) {
-        return false;
-    }
-    return fileURLToPath(import.meta.url) === path.resolve(process.argv[1]);
-};
+export const shouldRunTurnDaemon = (role: string | undefined): boolean => role === 'turn-daemon';
 
-if (isMain()) {
+if (shouldRunTurnDaemon(process.env.GAME_ENGINE_ROLE)) {
     runTurnDaemonCli().catch((error) => {
         console.error('[turn-daemon] failed to start', error);
         process.exitCode = 1;

app/game-engine/test/entrypoint.test.ts

@@ -0,0 +1,11 @@
+import { describe, expect, it } from 'vitest';
+
+import { shouldRunTurnDaemon } from '../src/index.js';
+
+describe('game-engine entrypoint', () => {
+    it('starts only for an explicitly selected turn-daemon role', () => {
+        expect(shouldRunTurnDaemon('turn-daemon')).toBe(true);
+        expect(shouldRunTurnDaemon('api')).toBe(false);
+        expect(shouldRunTurnDaemon(undefined)).toBe(false);
+    });
+});