chore(ops): allow skipping AI assistant boot via env, drop stale peer flag

ai-assistant/package-lock.json

@@ -947,7 +947,6 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.22.1.tgz",
       "integrity": "sha512-F2X8g9P1X7uCPZMA3MVf9wcTqlyNp7IhH5qPCI0izhaOIYXaW9L535tGA3qmjRzpH+bZczqq7hVKxTR4NWnu+g==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
@@ -2185,7 +2184,6 @@
       "resolved": "https://registry.npmjs.org/pg/-/pg-8.20.0.tgz",
       "integrity": "sha512-ldhMxz2r8fl/6QkXnBD3CR9/xg694oT6DZQ2s6c/RI28OjtSOpxnPrUCGOBJ46RCUxcWdx3p6kw/xnDHjKvaRA==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "pg-connection-string": "^2.12.0",
         "pg-pool": "^3.13.0",

backend-node/src/utils/startAiAssistant.ts

@@ -19,6 +19,11 @@ function getAiAssistantDir(): string {
  * AI 어시스턴트 서비스 기동 (있으면 띄움, 실패해도 backend는 계속 동작)
  */
 export function startAiAssistant(): void {
+  if (process.env.DISABLE_AI_ASSISTANT === "1") {
+    logger.info("⏭️ AI 어시스턴트 스킵 (DISABLE_AI_ASSISTANT=1)");
+    return;
+  }
+
   const aiDir = getAiAssistantDir();
   const appPath = path.join(aiDir, "src", "app.js");