docs: clarify update command behavior in production Docker environment

shared/modules/admin/update.service.ts

@@ -263,11 +263,21 @@ export class UpdateService {
 
     /**
      * Trigger a restart
+     * 
+     * In production Docker (with restart: unless-stopped), exiting the process
+     * will cause Docker to restart the container. For a full rebuild with code changes,
+     * use the deploy.sh script or GitHub Actions CI/CD instead of this command.
+     * 
+     * Note: The /update command works for hot-reloading in development and minor
+     * restarts in production, but for production deployments with new code, 
+     * use: `cd ~/Aurora && git pull && docker compose -f docker-compose.prod.yml up -d --build`
      */
     static async triggerRestart(): Promise<void> {
         if (process.env.RESTART_COMMAND) {
+            // Custom restart command from environment
             exec(process.env.RESTART_COMMAND).unref();
         } else {
+            // Exit process - Docker will restart container, dev mode will hot-reload
             setTimeout(() => process.exit(0), 100);
         }
     }