Added Documents Feature

backend/src/index.ts

@@ -3,10 +3,10 @@
  * @ai-context Starts the Fastify server with all feature capsules
  */
 import { buildApp } from './app';
-import { env } from './core/config/environment';
+import { appConfig } from './core/config/config-loader';
 import { logger } from './core/logging/logger';
 
-const PORT = env.PORT || 3001;
+const PORT = appConfig.config.server.port;
 
 async function start() {
   try {
@@ -19,7 +19,7 @@ async function start() {
     
     logger.info(`MotoVaultPro backend running`, {
       port: PORT,
-      environment: env.NODE_ENV,
+      environment: appConfig.config.server.environment,
       nodeVersion: process.version,
       framework: 'Fastify'
     });