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Enterprise SaaS
• Delivered Oct 2026
Library Hai
LibraryHai (libraryhai.com), developed and operated by KK Orine (OPC) Private Limited, is an enterprise cloud-native Multi-Tenant SaaS platform built for the study space, reading room, and competitive exam library sector.
System Architecture & Engineering Scope
The complete technical specification has been generated in:
📄 LibraryHai Architecture Case Study
Key Sections Covered in the Document:
System Topology & Network Flow: Reverse proxy routing via OpenLiteSpeed (OLS 2.5.5), port mapping (8701, 8702, 8703), and Let's Encrypt TLS termination.
Domain & Database Model: Multi-tenant data segregation, complete schema breakdown, and Mermaid Entity-Relationship Diagram (ERD).
Frontend Architecture: Angular 19+ Signals state management, zoneless reactivity, and adaptive environment host resolution.
Backend & Security Stack: RBAC guards, Helmet headers, Throttling pipes, BigInt serialization, and webhook verification.
Interactive Sequence Diagrams:
QR Attendance & Check-In Workflow
Tenant Onboarding & Razorpay Payment Lifecycle
DevOps, PM2 Process Supervision & Future IoT/WhatsApp Roadmap.
Project Specifications
Client / Enterprise
KK Orine (OPC) Private Limited
Delivered On
October 14, 2026
Technology & Infrastructure Stack
Angular
Node
Mysql
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