{"success":true,"message":"BreakdownCost Backend API","version":"1.0.0","environment":"production","endpoints":{"health":"/api/health","documentation":"/api-docs","swagger_json":"/api-docs.json","base_api":"/api"},"features":["User Management","Vendor Management","Material Management","Process Management","Breakdown Cost Analysis","Breakdown Cost Parent Management","SAP Integration","Additional Cost Management","WhatsApp Notifications"],"auth":{"register":"POST /api/users/register","login":"POST /api/users/login"},"docs":{"swagger_ui":"/api-docs","redoc":"Available at /redoc (if configured)"}}