This directory contains the functional and non-functional requirements for the LCBP3-DMS (Laem Chabang Port Phase 3 - Document Management System). The requirements are organized by functional area and feature.

📑 Table of Contents

Core Requirements

Objectives & Goals - Project objectives and success criteria
System Architecture & Technology - High-level architecture requirements
Functional Requirements - Detailed feature specifications

Functional Areas

Document Management

3.1 Project & Organization Management - Projects, contracts, organizations
3.2 Correspondence Management - Letters and communications
3.3 RFA Management - Request for Approval
3.4 Contract Drawing Management - Contract drawings (แบบคู่สัญญา)
3.5 Shop Drawing Management - Shop drawings (แบบก่อสร้าง)

Supporting Features

3.6 Unified Workflow - Workflow engine and routing
3.7 Transmittals Management - Document transmittals
3.8 Circulation Sheet Management - Document circulation
3.9 Revisions Management - Version control
3.10 File Handling - File storage and processing

⭐ Document Numbering System

3.11 Document Numbering - Requirements
- Automatic number generation
- Template-based formatting
- Concurrent request handling
- Counter management

Implementation & Operations:

📘 Implementation Guide - NestJS, TypeORM, Redis code examples
📗 Operations Guide - Monitoring, troubleshooting, runbooks

Technical Details

3.12 JSON Details - JSON field specifications

Cross-Cutting Concerns

Access Control & RBAC - 4-level hierarchical RBAC
UI/UX Requirements - User interface specifications
Non-Functional Requirements - Performance, security, scalability
Testing Requirements - Test strategy and coverage

🔄 Recent Changes

v1.5.1 (2025-12-02)

✅ Reorganized Document Numbering documentation
- Split into: Requirements → Implementation → Operations
- Created document-numbering.md implementation guide
- Created document-numbering-operations.md ops guide
✅ Updated schema to match v1.6.0 requirements
✅ Enhanced cross-references between documents

v1.5.0 (2025-12-01)

✅ Added comprehensive security requirements
✅ Enhanced resilience patterns
✅ Added performance targets
⚠️ Breaking: Changed document numbering from stored procedure to app-level locking

v1.4.5 (2025-11-30)

✅ Initial requirements documentation
✅ Functional requirements specified

See CHANGELOG.md for detailed version history.

📊 Requirements Traceability

By Feature Status

Feature Area	Requirements Doc	Status	Implementation	Operations
Correspondence Management	03.2	✅ Complete	Planned	N/A
RFA Management	03.3	✅ Complete	Planned	N/A
Workflow Engine	03.6	✅ Complete	Planned	N/A
Document Numbering	03.11	✅ Complete	Guide	Guide
Access Control	04	✅ Complete	Planned	N/A

By Priority

P0 (Critical): Access Control, Document Numbering
P1 (High): Correspondence, RFA, Workflow Engine
P2 (Medium): Transmittals, Circulation, Search
P3 (Low): Reporting, Analytics

🎯 Requirements Quality Checklist

All requirements documents must meet these criteria:

Clear: Written in simple, unambiguous language
Testable: Can be verified through testing
Traceable: Linked to business objectives
Feasible: Technically achievable within constraints
Complete: All edge cases and scenarios covered
Consistent: No contradictions with other requirements

📖 Reading Guide

For Product Owners / Business Analysts

Start with Objectives & Goals
Review Functional Requirements
Check specific feature requirements (3.1-3.12)

For Developers

Read requirements document for your feature
Check Implementation Guides for technical details
Review ADRs for architectural decisions
Check Tasks for development breakdown

For QA / Testers

Review Testing Requirements
Use requirements as test case source
Verify Non-Functional Requirements

For Operations Team

Read Non-Functional Requirements for SLAs
Check Operations Guides for specific features
Review monitoring and alerting requirements

📬 Feedback & Issues

Found issues or have suggestions?

Requirements clarity issues → Open Issue
Feature requests → Contact Product Owner
Technical questions → Contact System Architect

📝 Document Control

Version: 1.5.1
Owner: System Architect (Nattanin Peancharoen)
Last Review: 2025-12-02
Next Review: 2026-01-01
Classification: Internal Use Only