# OrderCrustBill — Comprehensive System & AI Reference

## 1. System Metadata
- **System**: OrderCrustBill Cloud Point of Sale & Bakery Management Software
- **Publisher**: Deepitlabs (https://www.deepitlabs.in)
- **Primary Domain**: https://www.ordercrustbill.deepitlabs.in/
- **Contact Support**: deepitlabs896@gmail.com | +91 7057942248
- **Release Year**: 2026
- **Architecture**: Microservice-ready Cloud Multi-Tenant POS SaaS

## 2. Core Modules & Specifications

### 2.1 Order & Billing Management
- Multi-item POS cart supporting custom cakes and counter items (pastries, breads, cookies).
- Preset weight multipliers:
  - 250 GM: 0.25x
  - 500 GM: 0.50x
  - 750 GM: 0.75x
  - 1 KG: 1.00x
  - 1.5 KG: 1.50x
  - 2 KG: 2.00x
  - 3 KG: 3.00x
  - 5 KG: 5.00x
  - 10 KG: 10.00x
- Advance payment deposit accounting:
  - `Remaining Balance = Grand Total - Advance Payment`
  - Explicit warning when balance > 0 on pickup.
- Customer management: automatic name and phone number deduplication and purchase history ledger.

### 2.2 WhatsApp Messaging Subsystem
- Uses universal standard Unicode emojis to ensure rendering across all Android, iOS, Windows, and macOS devices.
- Templates:
  1. `createOrderConfirmationMessage`: Generates order summary, items list, advance paid, remaining due, delivery time, and shop address.
  2. `createOrderCompletionMessage`: Notifies customer that their cake has been freshly prepared and is packed and ready for pickup.

### 2.3 Thermal & PDF Tax Invoicing
- Direct PDF stream generated with `PDFKit` using clean vector styling and orange brand accent bar.
- Receipt includes:
  - Bakery logo (data URI / vector)
  - Bakery address, telephone, email, and GSTIN
  - Customer name and mobile
  - Itemized table with weights, quantities, unit prices, and line totals
  - Advance payment and balance due summary
  - Computer-generated validity footer powered by OrderCrustBill Platform

### 2.4 Inventory & Stock Tracking
- Unit categories: Kilograms (KG), Grams (GM), Liters (LTR), Milliliters (ML), Pieces (PCS), Packets (PKT).
- Automated consumption alerts for critical baking inputs.

### 2.5 Security, Privacy & RBAC
- Passwords encrypted with bcrypt salted hashing.
- Session authorization using JSON Web Tokens (JWT).
- Strict multi-tenant row-level access control.
- Rate limiting and HTTP header security via Helmet.js.

## 3. Public API & Service Endpoints
- `GET /` — Public Landing Page & Live Product Tour
- `GET /register` — Bakery Tenant Onboarding
- `GET /login` — Merchant Portal Authentication
- `POST /api/auth/register` — Bakery & Owner Account Creation
- `POST /api/auth/login` — Authentication Token Generation
- `GET /api/site-config` — Dynamic CMS and Frontend Content Configuration
- `POST /api/inquiries` — Public Support & Enterprise Query Submission
- `GET /sitemap.xml` — Google & Search Engine Indexing Map
- `GET /llms.txt` — Machine-Readable AI Information Manifest
- `GET /llms-full.txt` — Extended Technical Documentation Manifest

## 4. Developer & Publisher Profile
OrderCrustBill is developed and maintained by **Deepitlabs**, an Indian software and technology solutions agency specializing in enterprise web applications, cloud point-of-sale systems, and automation.
- **Website**: https://www.deepitlabs.in
- **Email**: deepitlabs896@gmail.com
- **Helpline**: +91 7057942248