import 'package:flutter_dotenv/flutter_dotenv.dart'; /// API base URL (no trailing slash). Loaded from .env as API_BASE_URL. String get apiBaseUrl { final url = dotenv.env['API_BASE_URL']?.trim(); if (url == null || url.isEmpty) { return 'http://localhost:3001'; } return url.endsWith('/') ? url.substring(0, url.length - 1) : url; }