# 📋 Requirements Specification

**Version:** 1.8.0
**Status:** Active
**Last Updated:** 2026-02-23

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## 📖 Overview

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.

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## 📑 Table of Contents

### Core Requirements

1. [Objectives & Goals](./01-01-objectives.md) - Project objectives and success criteria
2. [System Architecture & Technology](../02-Architecture/README.md) - High-level architecture requirements
3. [Functional Requirements](./01-02-modules/01-02-00-index.md) - Detailed feature specifications
4. **[📖 User Stories](./01-04-user-stories.md)** - 27 User Stories (8 Epics, MoSCoW priority, AC links)
5. **[🛡️ Edge Cases & Business Rules](./01-06-edge-cases-and-rules.md)** - 37 Edge Cases ป้องกัน Bug
6. **[🖼️ UI/UX Wireframes](./01-07-ui-wireframes.md)** - 26 Screens, Navigation Map, Design System

### Functional Areas

#### Document Management

- [3.1 Project & Organization Management](./01-02-modules/01-02-01-project-management.md) - Projects, contracts, organizations
- [3.2 Correspondence Management](./01-02-modules/01-02-02-correspondence.md) - Letters and communications
- [3.3 RFA Management](./01-02-modules/01-02-03-rfa.md) - Request for Approval
- [3.4 Contract Drawing Management](./01-02-modules/01-02-04-contract-drawing.md) - Contract drawings (แบบคู่สัญญา)
- [3.5 Shop Drawing Management](./01-02-modules/01-02-05-shop-drawing.md) - Shop drawings (แบบก่อสร้าง)

#### Supporting Features

- [3.6 Unified Workflow](./01-02-modules/01-02-06-unified-workflow.md) - Workflow engine and routing
- [3.7 Transmittals Management](./01-02-modules/01-02-07-transmittals.md) - Document transmittals
- [3.8 Circulation Sheet Management](./01-02-modules/01-02-08-circulation-sheet.md) - Document circulation
- [3.9 Revisions Management](./01-02-modules/01-02-09-logs.md) - Version control
- [3.10 JSON Details](./01-02-modules/01-02-10-json-details.md) - JSON field specifications

#### **⭐ Document Numbering System**

- [3.11 Document Numbering](./01-01-business-rules/01-01-02-doc-numbering-rules.md) - **Requirements**
  - Automatic number generation
  - Template-based formatting
  - Concurrent request handling
  - Counter management

**Implementation & Operations:**

- 📘 [Implementation Guide](../03-implementation/03-04-document-numbering.md) - NestJS, TypeORM, Redis code examples
- 📗 [Operations Guide](../04-operations/04-08-document-numbering-operations.md) - Monitoring, troubleshooting, runbooks

### Cross-Cutting Concerns

4. [Access Control & RBAC](./01-01-business-rules/01-02-01-rbac-matrix.md) - 4-level hierarchical RBAC
5. [UI/UX Requirements](./01-02-business-rules/01-02-03-ui-ux-rules.md) - User interface specifications
6. [Non-Functional Requirements](./01-02-business-rules/01-02-04-non-functional-rules.md) - Performance, security, scalability
7. [Testing Requirements](./01-02-business-rules/01-02-05-testing-rules.md) - Test strategy and coverage
8. **[✅ Acceptance Criteria (UAT)](./01-05-acceptance-criteria.md)** - MVP Go-Live criteria, UAT Scenarios, Sign-off checklist
9. **[🎓 Training Plan](../00-Overview/00-06-training-plan.md)** - Training Curriculum, Change Management (see also `00-Overview/`)

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## 🔄 Recent Changes

### v1.6.0 (2025-12-13)

- ✅ **Schema Refactoring** - Major restructuring of correspondence and RFA tables
- ✅ Updated data dictionary for schema v1.6.0
- ✅ Breaking changes documented in CHANGELOG.md

### v1.5.1 (2025-12-02)

- ✅ **Reorganized Document Numbering documentation**
  - Split into: Requirements → Implementation → Operations
  - Created [document-numbering.md](../03-implementation/03-04-document-numbering.md) implementation guide
  - Created [document-numbering-operations.md](../04-operations/04-08-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](../../CHANGELOG.md) for detailed version history.

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## 📊 Requirements Traceability

### By Feature Status

| Feature Area              | Requirements Doc                                     | Status      | Implementation                                               | Operations                                                          |
| ------------------------- | ---------------------------------------------------- | ----------- | ------------------------------------------------------------ | ------------------------------------------------------------------- |
| Correspondence Management | [03.2](./01-03.2-correspondence.md)                  | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| RFA Management            | [03.3](./01-03.3-rfa.md)                             | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| Contract Drawing          | [03.4](./01-03.4-contract-drawing.md)                | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| Shop Drawing              | [03.5](./01-03.5-shop-drawing.md)                    | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| Workflow Engine           | [03.6](./01-03.6-unified-workflow.md)                | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| Transmittals              | [03.7](./01-03.7-transmittals.md)                    | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| Circulation Sheets        | [03.8](./01-03.8-circulation-sheet.md)               | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| **Document Numbering**    | [03.11](./01-03.11-document-numbering.md)            | ✅ Complete | ✅ [Guide](../03-implementation/03-04-document-numbering.md) | ✅ [Guide](../04-operations/04-08-document-numbering-operations.md) |
| Access Control (RBAC)     | [04](./01-02-business-rules/01-02-01-rbac-matrix.md) | ✅ Complete | ✅ Complete                                                  | Available                                                           |
| Search (Elasticsearch)    | N/A                                                  | ✅ Complete | 🔄 95%                                                       | Available                                                           |
| Dashboard & Analytics     | N/A                                                  | ✅ Complete | ✅ Complete                                                  | Available                                                           |

### By Priority

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

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## 🎯 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

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## 📖 Reading Guide

### For Product Owners / Business Analysts

1. Start with [Objectives & Goals](./01-01-objectives.md)
2. Review [Functional Requirements](./01-03-functional-requirements.md)
3. Check specific feature requirements (3.1-3.12)

### For Developers

1. Read requirements document for your feature
2. Check [Implementation Guides](../03-implementation/) for technical details
3. Review [ADRs](../05-decisions/) for architectural decisions
4. Check [Tasks](../06-tasks/) for development breakdown

### For QA / Testers

1. Review [Testing Requirements](./01-07-testing.md)
2. Use requirements as test case source
3. Verify [Non-Functional Requirements](./01-06-non-functional.md)

### For Operations Team

1. Read [Non-Functional Requirements](01-06-non-functional.md) for SLAs
2. Check [Operations Guides](../04-operations/) for specific features
3. Review monitoring and alerting requirements

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## 📬 Feedback & Issues

**Found issues or have suggestions?**

- Requirements clarity issues → [Open Issue](https://github.com/your-org/lcbp3-dms/issues/new?template=spec-issue.md)
- Feature requests → Contact Product Owner
- Technical questions → Contact System Architect

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## 📝 Document Control

- **Version:** 1.8.0
- **Owner:** System Architect (Nattanin Peancharoen)
- **Last Review:** 2026-02-23
- **Next Review:** 2026-03-01
- **Classification:** Internal Use Only
