# NovaSign Technical Manifest: Distributed Hospitality Infrastructure

**Version**: 2.4.0 (Stable)  
**Codename**: Nexus Relay  
**Domain**: https://nova-sign.cloud  

## 1. Executive Summary
NovaSign is a unified operating system for high-velocity physical commerce. It resolves the fragmentation between Point-of-Sale (POS), Kitchen Orchestration (KDS), and Digital Signage by consolidating telemetry into a single, real-time Cloud Relay (The Nexus Protocol).

## 2. Architectural Pillars

### 2.1. The Nexus Socket Cluster (Real-time Core)
Every hardware node (Terminals, Screens, Kitchen Displays) is linked via a centralized Socket.io factory.
- **Latency**: Sub-100ms for order transmission from POS to KDS.
- **Auto-Provisioning**: Nodes are identified by encrypted merchant tokens, allowing instant "plug-and-play" deployment.

### 2.2. Offline-First "Tactical Outbox"
To ensure zero data loss during network failures, NovaSign utilizes a three-tier persistence layer:
1. **L1 (Reactive)**: In-memory Framer-Motion state for immediate UI feedback.
2. **L2 (Local)**: IndexedDB (idb) for buffering transactions during outages.
3. **L3 (Remote)**: Atomic synchronization with the PostgreSQL/Drizzle backend.

### 2.3. Bare-Metal Peripheral Bridge
Utilizing Capacitor.js and custom Electron bindings, NovaSign accesses hardware directly:
- **Thermal Printing**: ESC/POS command relay for local kitchen tickets.
- **Stripe Terminal**: Cloud-Relay integration for NFC and Chip/Pin processing.
- **Barcode Telemetry**: USB/HID scanning for retail inventory nodes.

## 3. Module Specifications

### 🛒 Tactical POS
High-performance checkout interface supporting complex split-bill logic and multi-currency settlement.

### 🍳 Kitchen KDS (Kitchen Display System)
Multi-station orchestration engine that balances load across "Grill," "Prep," and "Expo" stations based on SKU categories.

### 📺 Digital Signage CMS
Visual engine for 4K screen management with dynamic asset hydration and health monitoring.

## 4. Security & Compliance
- **TLS 1.3 Encryption**: All telemetry is encrypted in transit.
- **Merchant Isolation**: Strict tenant-level database isolation via Drizzle ORM schemas.
- **Non-Repudiation**: Every order change is logged with a staff ID and cryptographic timestamp.

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*Generated by the NovaSign Technical Committee.*