Sentra Automotive — Modules

Sistem SentraAuto Care dibangun menggunakan pendekatan arsitektur Modular Monolith:

sentraauto-monolith/
├── src/
│   ├── modules/
│   │   ├── vehicle-diagnostics/      # Keluhan, Odometer, Histori Servis Lintas Cabang
│   │   ├── work-order-manager/       # SPK, Antrean Bay, Progress SLA Mekanik
│   │   │   └── gateways/             # WebSockets for live status updates
│   │   ├── inventory-warehouse/      # Barcode Scanning, Multi-Gudang, Substitusi Part
│   │   ├── service-garansi/          # Claim Warranty Tracker, Rework Handling
│   │   ├── billing-pos/              # Cashier, PPN 11%, EDC Split Pay, Piutang
│   │   └── mechanic-payroll/         # Jasa Mekanik Engine, Upselling Bonuses, PPh 21
│   ├── shared/
│   │   ├── security/                 # Supervisor PIN Encryption
│   │   └── whatsapp/                 # Twilio WhatsApp Integration Engine
│   └── main.ts

Modul	File	Deskripsi
Work Order	work-order.md	WO lifecycle state machine (INTAKE→DIAGNOSING→WORKING→WAITING_PARTS→QC_TEST→COMPLETED), SLA timer, multi-mechanic assignment, warranty rework
VIN History	vin-history.md	Cross-branch VIN/plate registry, diagnostic timeline, predictive mileage-based maintenance reminder
Sparepart	sparepart.md	Barcode FEFO dispense, auto-reorder threshold, substitute mapping EXACT/MODIFIED, stock opname
Payroll	payroll.md	Pay-per-job flat rate 35% commission, upselling incentive 1.5%, quality penalty deduction, PPh 21