Fix: Use JSON config files for ESM compatibility

- Replace @simpleworkjs/conf with simple custom loader
- Use JSON config files (base, development, production, secrets)
- Add config.js with ESM-compatible deep merge
- Support env var overrides for critical settings
- Auth disabled in dev mode via development.json

server/index.js

@@ -18,11 +18,11 @@ import { join, dirname } from 'path';
 import { fileURLToPath } from 'url';
 import ldap from 'ldapjs';
 import { v4 as uuidv4 } from 'uuid';
-import conf from '@simpleworkjs/conf';
+import conf from './config.js';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
-// Configuration via @simpleworkjs/conf
+// Configuration
 const CONFIG = {
   port: conf.server?.port || 3000,
   gatewayUrl: conf.gateway?.url || 'http://127.0.0.1:18789',
@@ -38,7 +38,8 @@ const CONFIG = {
     bindPassword: conf.auth?.ldap?.bindPassword || '',
     searchFilter: conf.auth?.ldap?.searchFilter || '(uid={{username}})'
   },
-  dataDir: conf.data?.dir || join(__dirname, '../data')
+  dataDir: conf.data?.dir || join(__dirname, '../data'),
+  environment: conf.environment
 };
 
 // Ensure data directory exists