619 lines
22 KiB
Markdown
619 lines
22 KiB
Markdown
# ð **LCBP3-DMS Documents Management System Version 1.4.2: Application Requirements Specification (by DeepSeek)**
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* **āļāļĢāļąāļāļāļĢāļļāļāļāļēāļĄāļāđāļāđāļŠāļāļāđāļāļ°āļāļēāļ FullStackJS Guidelines āđāļĨāļ°āđāļāļāļāļēāļĢāļāļąāļāļāļē**
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## ð **1. āļ§āļąāļāļāļļāļāļĢāļ°āļŠāļāļāđ**
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āļŠāļĢāđāļēāļāđāļ§āđāļāđāļāļāļāļĨāļīāđāļāļāļąāđāļāļŠāļģāļŦāļĢāļąāļāļĢāļ°āļāļāļāļĢāļīāļŦāļēāļĢāļāļąāļāļāļēāļĢāđāļāļāļŠāļēāļĢāđāļāļĢāļāļāļēāļĢ (Document Management System) āļāļĩāđāļŠāļēāļĄāļēāļĢāļāļāļąāļāļāļēāļĢāđāļĨāļ°āļāļ§āļāļāļļāļĄ āļāļēāļĢāļŠāļ·āđāļāļŠāļēāļĢāļāđāļ§āļĒāđāļāļāļŠāļēāļĢāļāļĩāđāļāļąāļāļāđāļāļ āļāļĒāđāļēāļāļĄāļĩāļāļĢāļ°āļŠāļīāļāļāļīāļ āļēāļ
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* āļĄāļĩāļāļąāļāļāđāļāļąāļāļŦāļĨāļąāļāđāļāļāļēāļĢāļāļąāļāđāļŦāļĨāļ āļāļąāļāđāļāđāļ āļāđāļāļŦāļē āđāļāļĢāđ āđāļĨāļ°āļāļ§āļāļāļļāļĄāļŠāļīāļāļāļīāđāļāļēāļĢāđāļāđāļēāļāļķāļāđāļāļāļŠāļēāļĢ
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* āļāđāļ§āļĒāļĨāļāļāļēāļĢāđāļāđāđāļāļāļŠāļēāļĢāļāļĢāļ°āļāļēāļĐ āđāļāļīāđāļĄāļāļ§āļēāļĄāļāļĨāļāļāļ āļąāļĒāđāļāļāļēāļĢāļāļąāļāđāļāđāļāļāđāļāļĄāļđāļĨ
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* āđāļāļīāđāļĄāļāļ§āļēāļĄāļŠāļ°āļāļ§āļāđāļāļāļēāļĢāļāļģāļāļēāļāļĢāđāļ§āļĄāļāļąāļāļĢāļ°āļŦāļ§āđāļēāļāļāļāļāļĢāļāđ
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* **āđāļŠāļĢāļīāļĄ:** āļāļĢāļąāļāļāļĢāļļāļāļāļ§āļēāļĄāļāļĨāļāļāļ āļąāļĒāļāļāļāļĢāļ°āļāļāļāđāļ§āļĒāļĄāļēāļāļĢāļāļēāļĢāļāđāļāļāļāļąāļāļāļĩāđāļāļąāļāļŠāļĄāļąāļĒ
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* **āđāļŠāļĢāļīāļĄ:** āđāļāļīāđāļĄāļāļ§āļēāļĄāļāļāļāļēāļāļāļāļāļĢāļ°āļāļāļāđāļ§āļĒāļāļĨāđāļ resilience patterns
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* **āđāļŠāļĢāļīāļĄ:** āļŠāļĢāđāļēāļāļĢāļ°āļāļ monitoring āđāļĨāļ° observability āļāļĩāđāļāļĢāļāļāļāļĨāļļāļĄ
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## ð ïļ **2. āļŠāļāļēāļāļąāļāļĒāļāļĢāļĢāļĄāđāļĨāļ°āđāļāļāđāļāđāļĨāļĒāļĩ (System Architecture & Technology Stack)**
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### **2.1 Infrastructure & Environment:**
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* **Server:** QNAP (Model: TS-473A, RAM: 32GB, CPU: AMD Ryzen V1500B)
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* **Containerization:** Container Station (Docker & Docker Compose)
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* **Domain:** np-dms.work, <www.np-dms.work>
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* **IP:** 159.192.126.103
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* **Docker Network:** āļāļļāļ Service āļāļ°āđāļāļ·āđāļāļĄāļāđāļāļāđāļēāļāđāļāļĢāļ·āļāļāđāļēāļĒāļāļĨāļēāļāļāļ·āđāļ lcbp3
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* **Data Storage:** /share/dms-data āļāļ QNAP
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* **āļāđāļāļāļģāļāļąāļ:** āđāļĄāđāļŠāļēāļĄāļēāļĢāļāđāļāđ .env āđāļāļāļēāļĢāļāļģāļŦāļāļāļāļąāļ§āđāļāļĢāļ āļēāļĒāļāļāļāđāļāđ āļāđāļāļāļāļģāļŦāļāļāđāļ docker-compose.yml āđāļāđāļēāļāļąāđāļ
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### **2.2 Technology Stack:**
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* Backend:
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* framework: NestJS (TypeScript, ESM)
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* database: MariaDB 10.11
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* orm: TypeORM
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* auth: JWT + Passport + CASL
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* fileProcessing: Multer + ClamAV
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* search: Elasticsearch
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* caching: Redis
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* resilience: Circuit Breaker, Retry Patterns
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* frontend:
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* framework: Next.js 14 (App Router, React, TypeScript, ESM)
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* styling: Tailwind CSS + PostCSS
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* components: shadcn/ui + Radix UI
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* stateManagement: Zustand + TanStack Query
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* forms: React Hook Form + Zod
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* infrastructure:
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* reverseProxy: Nginx Proxy Manager
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* containerization: Docker + Docker Compose
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* monitoring: Winston + Health Checks
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* workflow: n8n
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### **2.3 Performance Targets:**
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```typescript
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const PERFORMANCE_TARGETS = {
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api: {
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responseTime: '< 200ms (90th percentile)',
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searchPerformance: '< 500ms',
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concurrentUsers: '100 users',
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errorRate: '< 1%'
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},
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frontend: {
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firstContentfulPaint: '< 1.5s',
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largestContentfulPaint: '< 2.5s',
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bundleSize: '< 500KB (gzipped)'
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},
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database: {
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queryTime: '< 100ms (p95)',
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connectionPool: '20-50 connections'
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},
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files: {
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uploadTime: '< 30s (50MB files)',
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downloadTime: '< 5s (50MB files)',
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virusScanTime: '< 10s'
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}
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};
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```
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## ðĶ **3. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļąāļāļāđāļāļąāļāļāļēāļĢāļāļģāļāļēāļ (Functional Requirements)**
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### **3.1 Simplified JSON Structure:**
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```typescript
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// Simplified JSON Details Structure
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interface BaseDetails {
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version: string;
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type: string;
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created_at: string;
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updated_at?: string;
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}
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interface CorrespondenceDetails extends BaseDetails {
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subject: string;
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description?: string;
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priority: 'LOW' | 'NORMAL' | 'HIGH' | 'URGENT';
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confidentiality: 'PUBLIC' | 'INTERNAL' | 'CONFIDENTIAL';
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references?: Array<{
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correspondence_id: number;
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description: string;
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}>;
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}
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interface RFIDetails extends BaseDetails {
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questions: Array<{
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question_text: string;
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response_required: boolean;
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deadline?: string;
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}>;
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category?: 'TECHNICAL' | 'ADMINISTRATIVE';
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urgency?: 'LOW' | 'NORMAL' | 'HIGH';
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}
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```
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### **3.2 Enhanced Document Management:**
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* **3.2.1** āļĢāļ°āļāļāļāđāļāļāļĢāļāļāļĢāļąāļāļāļēāļĢāļāļąāļāļāļēāļĢāđāļāļāļŠāļēāļĢāđāļāļ Real-time Collaboration
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* **3.2.2** āļāđāļāļāļĄāļĩāļĢāļ°āļāļ Version Control āļāļĩāđāļāļąāļāđāļāļāļŠāļģāļŦāļĢāļąāļāļāļļāļāđāļāļāļŠāļēāļĢ
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* **3.2.3** āļĢāļāļāļĢāļąāļāļāļēāļĢāļāđāļāļŦāļē Full-text Search āļāđāļēāļ Elasticsearch
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* **3.2.4** āļĢāļ°āļāļāļāđāļāļāļĢāļāļāļĢāļąāļ Bulk Operations āļŠāļģāļŦāļĢāļąāļāļāļēāļĢāļāļąāļāļāļēāļĢāđāļāļāļŠāļēāļĢāļāļģāļāļ§āļāļĄāļēāļ
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### **3.3 Advanced Workflow Management:**
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* **3.3.1** āļĢāļāļāļĢāļąāļ Conditional Workflow Routing āļāļēāļĄ business rules
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* **3.3.2** āļĢāļ°āļāļāļāđāļāļāļĄāļĩ Escalation Mechanisms āļŠāļģāļŦāļĢāļąāļāļāļēāļāļāļĩāđāđāļĨāļĒāļāļģāļŦāļāļ
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* **3.3.3** āļĢāļāļāļĢāļąāļ Parallel Workflow Steps āđāļĄāļ·āđāļāđāļŦāļĄāļēāļ°āļŠāļĄ
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* **3.3.4** āļāđāļāļāļĄāļĩāļĢāļ°āļāļ Notification Preferences āļŠāļģāļŦāļĢāļąāļāļāļđāđāđāļāđ
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## ð **4. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļŠāļīāļāļāļīāđāđāļĨāļ°āļāļēāļĢāđāļāđāļēāļāļķāļ (Access Control Requirements)**
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### **4.1 Enhanced RBAC System:**
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```typescript
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const PERMISSION_HIERARCHY = {
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levels: ['GLOBAL', 'ORGANIZATION', 'PROJECT', 'CONTRACT'],
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evaluation: 'MOST_PERMISSIVE',
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features: {
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dynamicRoles: 'Admin āļŠāļēāļĄāļēāļĢāļāļŠāļĢāđāļēāļāļāļāļāļēāļāđāļŦāļĄāđāđāļāđ',
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permissionTemplates: 'āđāļāđ template āļŠāļģāļŦāļĢāļąāļāļāļāļāļēāļāļĄāļēāļāļĢāļāļēāļ',
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timeBoundPermissions: 'āļŠāļīāļāļāļīāđāļāļąāđāļ§āļāļĢāļēāļ§āļāļēāļĄāļĢāļ°āļĒāļ°āđāļ§āļĨāļē'
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}
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};
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```
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### **4.2 Advanced Security Controls:**
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* **4.2.1** āļāđāļāļāļĄāļĩ Session Management āļāļĩāđāļāļĨāļāļāļ āļąāļĒ
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* **4.2.2** āļĢāļāļāļĢāļąāļ Multi-factor Authentication (MFA)
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* **4.2.3** āļāđāļāļāļĄāļĩāļĢāļ°āļāļ Audit Trail āļāļĩāđāļāļĢāļāļāļāļĨāļļāļĄ
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* **4.2.4** āļĢāļāļāļĢāļąāļ Security Policy Enforcement
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## ðĨ **5. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļđāđāđāļāđāļāļēāļ (User Interface & Experience)**
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### **5.1 Component Architecture:**
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```
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ð Frontend Structure:
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âââ ð app/ # Next.js App Router
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âââ ð components/
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â âââ ð ui/ # Shadcn/ui components
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â âââ ð forms/ # Form components
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â âââ ð workflows/ # Workflow components
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â âââ ð data-display/ # Data display components
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â âââ ð layouts/ # Layout components
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âââ ð hooks/ # Custom hooks
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âââ ð stores/ # Zustand stores
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âââ ð lib/ # Utilities and config
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âââ ð types/ # TypeScript definitions
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```
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### **5.2 State Management Strategy:**
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```typescript
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const STATE_MANAGEMENT = {
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serverState: {
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tool: 'TanStack Query',
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useCases: ['API data', 'Search results', 'User profiles']
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},
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clientState: {
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tool: 'Zustand',
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useCases: ['UI state', 'Form state', 'User preferences']
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},
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formState: {
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tool: 'React Hook Form + Zod',
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useCases: ['All forms', 'Validation', 'Form wizard']
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}
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};
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```
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## ð **6. āļāđāļāļāļģāļŦāļāļāļāļĩāđāđāļĄāđāđāļāđāļāļąāļāļāđāļāļąāļāļāļēāļĢāļāļģāļāļēāļ (Non-Functional Requirements)**
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### **6.1 Enhanced Performance Requirements:**
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```typescript
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const PERFORMANCE_REQUIREMENTS = {
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scalability: {
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concurrentUsers: '100+ users',
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documentStorage: '10,000+ documents',
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fileStorage: '1TB+ capacity'
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},
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reliability: {
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uptime: '99.9%',
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backupRecovery: '4-hour RTO, 1-hour RPO',
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errorHandling: 'Graceful degradation'
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},
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security: {
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authentication: 'JWT with refresh tokens',
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authorization: 'RBAC with 4-level hierarchy',
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dataProtection: 'Encryption at rest and in transit'
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}
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};
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```
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### **6.2 Advanced Monitoring & Observability:**
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```typescript
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const MONITORING_REQUIREMENTS = {
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applicationMetrics: [
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'api_response_times',
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'error_rates',
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'user_activity',
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'workflow_completion_rates'
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],
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businessMetrics: [
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'documents_created_daily',
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'average_approval_time',
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'sla_compliance_rates',
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'user_satisfaction_scores'
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],
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securityMetrics: [
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'failed_login_attempts',
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'file_scan_results',
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'permission_changes',
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'security_incidents'
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]
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};
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```
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### **6.3 Enhanced Security Requirements:**
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* **6.3.1** āļāđāļāļāļĄāļĩ Comprehensive Input Validation
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* **6.3.2** āļāđāļāļāļāđāļāļāļāļąāļ OWASP Top 10 vulnerabilities
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* **6.3.3** āļāđāļāļāļĄāļĩ Rate Limiting āļāļĩāđ configuraable
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* **6.3.4** āļāđāļāļāļĄāļĩ Security Headers āđāļĨāļ° CSP
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### **6.4 Database Optimization Requirements:**
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```typescript
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const DATABASE_REQUIREMENTS = {
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performance: {
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queryOptimization: 'All queries under 100ms',
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indexingStrategy: 'Composite indexes for common queries',
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connectionPooling: '20-50 connections'
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},
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maintenance: {
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backup: 'Daily full + hourly incremental',
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cleanup: 'Automated archive of old records',
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monitoring: 'Slow query logging and alerting'
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}
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};
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```
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## ð§Š **7. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļēāļĢāļāļāļŠāļāļ (Testing Requirements)**
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### **7.1 Comprehensive Testing Strategy:**
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```typescript
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const TESTING_STRATEGY = {
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unitTesting: {
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coverage: '80% minimum',
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focus: 'Business logic and utilities',
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tools: ['Jest', 'React Testing Library']
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},
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integrationTesting: {
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coverage: 'Critical user journeys',
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focus: 'API endpoints and database operations',
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tools: ['Supertest', 'Testcontainers']
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},
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e2eTesting: {
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coverage: 'Core business workflows',
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focus: 'User registration to document approval',
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tools: ['Playwright', 'Jest']
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},
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performanceTesting: {
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coverage: 'Critical paths under load',
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focus: 'API response times and concurrent users',
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tools: ['k6', 'Artillery']
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},
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securityTesting: {
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coverage: 'OWASP Top 10 vulnerabilities',
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focus: 'Authentication, authorization, input validation',
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tools: ['OWASP ZAP', 'Snyk']
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}
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};
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```
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### **7.2 Quality Gates:**
|
|
|
|
```typescript
|
|
const QUALITY_GATES = {
|
|
preCommit: [
|
|
'ESLint with no errors',
|
|
'Prettier formatting',
|
|
'TypeScript compilation',
|
|
'Unit tests passing'
|
|
],
|
|
preMerge: [
|
|
'All tests passing',
|
|
'Code review completed',
|
|
'Security scan clean',
|
|
'Performance benchmarks met'
|
|
],
|
|
preDeploy: [
|
|
'Integration tests passing',
|
|
'E2E tests passing',
|
|
'Load tests successful',
|
|
'Security audit completed'
|
|
]
|
|
};
|
|
```
|
|
|
|
## ð **8. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļēāļĢāļāļģāļĢāļļāļāļĢāļąāļāļĐāļē (Maintenance Requirements)**
|
|
|
|
### **8.1 Operational Excellence:**
|
|
|
|
```typescript
|
|
const OPERATIONAL_REQUIREMENTS = {
|
|
monitoring: {
|
|
healthChecks: '/health, /ready, /live endpoints',
|
|
alerting: 'Real-time alerts for critical issues',
|
|
logging: 'Structured JSON logs with request IDs'
|
|
},
|
|
backup: {
|
|
frequency: 'Daily full + hourly incremental',
|
|
retention: '30 days for backups, 7 years for audit logs',
|
|
verification: 'Automated backup validation'
|
|
},
|
|
updates: {
|
|
securityPatches: 'Applied within 24 hours of release',
|
|
minorUpdates: 'Monthly maintenance windows',
|
|
majorUpdates: 'Quarterly with thorough testing'
|
|
}
|
|
};
|
|
```
|
|
|
|
### **8.2 Disaster Recovery:**
|
|
|
|
* **8.2.1** Recovery Time Objective (RTO): < 4 āļāļąāđāļ§āđāļĄāļ
|
|
* **8.2.2** Recovery Point Objective (RPO): < 1 āļāļąāđāļ§āđāļĄāļ
|
|
* **8.2.3** āļāđāļāļāļĄāļĩ Automated Recovery Procedures
|
|
* **8.2.4** āļāđāļāļāļĄāļĩ Regular Disaster Recovery Testing
|
|
|
|
## ðĨ **9. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļēāļĢāļāļąāļāļāļē (Development Requirements)**
|
|
|
|
### **9.1 Development Workflow:**
|
|
|
|
```typescript
|
|
const DEVELOPMENT_WORKFLOW = {
|
|
environmentSetup: {
|
|
time: '30 minutes maximum',
|
|
tools: ['Docker', 'Node.js 18+', 'VS Code'],
|
|
commands: ['npm run setup', 'npm run dev', 'npm run test']
|
|
},
|
|
gitWorkflow: {
|
|
branching: 'Feature branches with PR reviews',
|
|
commitConventions: 'Conventional commits',
|
|
codeReview: '2 reviewers minimum'
|
|
},
|
|
collaboration: {
|
|
communication: 'Daily standups, weekly planning',
|
|
documentation: 'Auto-generated API docs, ADRs',
|
|
knowledgeSharing: 'Pair programming, tech talks'
|
|
}
|
|
};
|
|
```
|
|
|
|
### **9.2 Code Quality Standards:**
|
|
|
|
```typescript
|
|
const CODE_QUALITY_STANDARDS = {
|
|
backend: {
|
|
language: 'TypeScript with strict mode',
|
|
style: 'NestJS style guide with ESLint',
|
|
testing: '80% coverage, Arrange-Act-Assert pattern'
|
|
},
|
|
frontend: {
|
|
language: 'TypeScript with strict mode',
|
|
style: 'Next.js style guide with Prettier',
|
|
testing: '70% coverage, React Testing Library'
|
|
},
|
|
database: {
|
|
naming: 'Consistent snake_case convention',
|
|
indexing: 'Strategic indexes for performance',
|
|
migrations: 'TypeORM migrations with rollback'
|
|
}
|
|
};
|
|
```
|
|
|
|
## ð **10. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļēāļĢāļĢāļēāļĒāļāļēāļāđāļĨāļ°āļ§āļīāđāļāļĢāļēāļ°āļŦāđ (Reporting & Analytics Requirements)**
|
|
|
|
### **10.1 Business Intelligence:**
|
|
|
|
* **10.1.1** āļāđāļāļāļĄāļĩ Real-time Dashboard āļŠāļģāļŦāļĢāļąāļ Key Metrics
|
|
* **10.1.2** āļĢāļāļāļĢāļąāļ Custom Reports āđāļĨāļ° Exports
|
|
* **10.1.3** āļāđāļāļāļĄāļĩ Predictive Analytics āļŠāļģāļŦāļĢāļąāļ Workflow Optimization
|
|
* **10.1.4** āļĢāļāļāļĢāļąāļ Data Visualization āļāļĩāđāļŦāļĨāļēāļāļŦāļĨāļēāļĒ
|
|
|
|
### **10.2 Advanced Analytics:**
|
|
|
|
```typescript
|
|
const ANALYTICS_REQUIREMENTS = {
|
|
performanceMetrics: [
|
|
'document_processing_times',
|
|
'workflow_bottlenecks',
|
|
'user_engagement_metrics',
|
|
'system_utilization_rates'
|
|
],
|
|
businessMetrics: [
|
|
'sla_compliance_rates',
|
|
'document_approval_rates',
|
|
'user_satisfaction_scores',
|
|
'cost_savings_analytics'
|
|
],
|
|
predictiveAnalytics: [
|
|
'workflow_completion_predictions',
|
|
'resource_utilization_forecasts',
|
|
'capacity_planning_insights'
|
|
]
|
|
};
|
|
```
|
|
|
|
## ð§ **11. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļēāļĢāļāļĢāļąāļāļāļĢāļļāļāļĢāļ°āļāļ (System Enhancement Requirements)**
|
|
|
|
### **11.1 Scalability & Extensibility:**
|
|
|
|
* **11.1.1** āļĢāļ°āļāļāļāđāļāļāļĢāļāļāļĢāļąāļ Horizontal Scaling
|
|
* **11.1.2** āļāđāļāļāļĄāļĩ Clean Architecture āļŠāļģāļŦāļĢāļąāļāļāļēāļĢāļāļĒāļēāļĒåč―
|
|
* **11.1.3** āļĢāļāļāļĢāļąāļ Plugin Architecture āļŠāļģāļŦāļĢāļąāļāļāļĩāđāļāļāļĢāđāđāļāļīāđāļĄāđāļāļīāļĄ
|
|
* **11.1.4** āļāđāļāļāļĄāļĩ API Versioning Strategy
|
|
|
|
### **11.2 Integration Capabilities:**
|
|
|
|
```typescript
|
|
const INTEGRATION_REQUIREMENTS = {
|
|
externalSystems: [
|
|
'LINE Messaging API',
|
|
'Email Services (SMTP)',
|
|
'External Storage Systems',
|
|
'Third-party Authentication'
|
|
],
|
|
apiStandards: {
|
|
rest: 'JSON API standards',
|
|
webhooks: 'Event-driven notifications',
|
|
webSockets: 'Real-time updates',
|
|
graphql: 'Optional for complex queries'
|
|
}
|
|
};
|
|
```
|
|
|
|
## ðĄïļ **12. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļ§āļēāļĄāļāļĨāļāļāļ āļąāļĒāļāļąāđāļāļŠāļđāļ (Advanced Security Requirements)**
|
|
|
|
### **12.1 Comprehensive Security Framework:**
|
|
|
|
```typescript
|
|
const SECURITY_FRAMEWORK = {
|
|
authentication: {
|
|
primary: 'JWT with refresh tokens',
|
|
secondary: 'Multi-factor authentication ready',
|
|
session: 'Secure session management'
|
|
},
|
|
authorization: {
|
|
model: 'RBAC with 4-level hierarchy',
|
|
enforcement: 'Attribute-based access control',
|
|
auditing: 'Comprehensive permission logging'
|
|
},
|
|
dataProtection: {
|
|
encryption: 'At rest and in transit',
|
|
masking: 'Sensitive data masking',
|
|
retention: 'Automated data lifecycle management'
|
|
}
|
|
};
|
|
```
|
|
|
|
### **12.2 Security Monitoring:**
|
|
|
|
* **12.2.1** āļāđāļāļāļĄāļĩ Real-time Threat Detection
|
|
* **12.2.2** āļĢāļāļāļĢāļąāļ Security Incident Response
|
|
* **12.2.3** āļāđāļāļāļĄāļĩ Vulnerability Management Program
|
|
* **12.2.4** āļĢāļāļāļĢāļąāļ Compliance Auditing
|
|
|
|
## ð **13. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļĢāļ°āļŠāļīāļāļāļīāļ āļēāļāļāļąāđāļāļŠāļđāļ (Advanced Performance Requirements)**
|
|
|
|
### **13.1 Optimization Targets:**
|
|
|
|
```typescript
|
|
const ADVANCED_PERFORMANCE_TARGETS = {
|
|
database: {
|
|
queryOptimization: 'All complex queries under 50ms',
|
|
connectionManagement: 'Intelligent connection pooling',
|
|
cachingStrategy: 'Multi-level caching architecture'
|
|
},
|
|
application: {
|
|
memoryManagement: 'Efficient garbage collection',
|
|
cpuUtilization: 'Optimal resource usage',
|
|
responseTimes: 'Progressive performance improvements'
|
|
},
|
|
frontend: {
|
|
loadingOptimization: 'Lazy loading and code splitting',
|
|
renderingPerformance: 'Optimized virtual DOM',
|
|
assetDelivery: 'CDN and compression strategies'
|
|
}
|
|
};
|
|
```
|
|
|
|
### **13.2 Load Handling:**
|
|
|
|
* **13.2.1** āļāđāļāļāļĢāļāļāļĢāļąāļ Peak Loads āđāļāđ 3x Normal Capacity
|
|
* **13.2.2** āļāđāļāļāļĄāļĩ Auto-scaling Capabilities
|
|
* **13.2.3** āļĢāļāļāļĢāļąāļ Graceful Degradation
|
|
* **13.2.4** āļāđāļāļāļĄāļĩ Comprehensive Load Testing
|
|
|
|
## ð **14. āļāđāļāļāļģāļŦāļāļāļāđāļēāļāļāļēāļĢāļāļąāļāđāļāļĢāļāđāļĨāļ°āļāļ§āļēāļĄāđāļāđāļēāļāļąāļāđāļāđ (Upgrade & Compatibility Requirements)**
|
|
|
|
### **14.1 Version Management:**
|
|
|
|
```typescript
|
|
const VERSION_MANAGEMENT = {
|
|
apiVersioning: {
|
|
strategy: 'URL versioning with backward compatibility',
|
|
deprecation: '6-month deprecation notice',
|
|
migration: 'Automated migration tools'
|
|
},
|
|
databaseMigrations: {
|
|
strategy: 'TypeORM migrations with rollback capability',
|
|
testing: 'Comprehensive migration testing',
|
|
automation: 'CI/CD integrated migration pipelines'
|
|
}
|
|
};
|
|
```
|
|
|
|
### **14.2 Compatibility Requirements:**
|
|
|
|
* **14.2.1** āļāđāļāļāļĢāļāļāļĢāļąāļ Browser āļāļĩāđāļāļąāļāļŠāļĄāļąāļĒ (Latest 2 versions)
|
|
* **14.2.2** āļĢāļāļāļĢāļąāļ Mobile Responsive Design
|
|
* **14.2.3** āļāđāļāļāļĄāļĩ Accessibility Compliance (WCAG 2.1 AA)
|
|
* **14.2.4** āļĢāļāļāļĢāļąāļ Internationalization (i18n)
|
|
|
|
---
|
|
|
|
## ð **āļŠāļĢāļļāļāļāļēāļĢāļāļĢāļąāļāļāļĢāļļāļāļāļēāļāđāļ§āļāļĢāđāļāļąāļāļāđāļāļāļŦāļāđāļē**
|
|
|
|
### **Security Enhancements:**
|
|
|
|
1. **Advanced RBAC** - 4-level permission hierarchy with dynamic roles
|
|
2. **Comprehensive Encryption** - Data protection at rest and in transit
|
|
3. **Security Monitoring** - Real-time threat detection and incident response
|
|
4. **Input Validation** - Advanced OWASP Top 10 protection
|
|
|
|
### **Performance Improvements:**
|
|
|
|
1. **Optimized JSON Structure** - Simplified and efficient data handling
|
|
2. **Advanced Caching** - Multi-level caching strategy
|
|
3. **Database Optimization** - Comprehensive query optimization
|
|
4. **Frontend Performance** - Enhanced loading and rendering
|
|
|
|
### **Architecture Enhancements:**
|
|
|
|
1. **Microservices Ready** - Clean architecture for future scalability
|
|
2. **API-First Design** - Comprehensive API versioning strategy
|
|
3. **Component Architecture** - Structured frontend development
|
|
4. **State Management** - Optimized client and server state handling
|
|
|
|
### **Operational Excellence:**
|
|
|
|
1. **Comprehensive Monitoring** - Application, business, and security metrics
|
|
2. **Disaster Recovery** - Automated recovery with clear RTO/RPO
|
|
3. **Quality Assurance** - Multi-level testing strategy with quality gates
|
|
4. **Development Workflow** - Efficient team collaboration standards
|
|
|
|
### **Business Intelligence:**
|
|
|
|
1. **Advanced Analytics** - Predictive analytics and business insights
|
|
2. **Real-time Reporting** - Comprehensive dashboard and reporting
|
|
3. **Custom Exports** - Flexible data export capabilities
|
|
4. **Performance Metrics** - Business and technical performance tracking
|
|
|
|
## ðŊ **Critical Success Factors**
|
|
|
|
1. **Security First** - āļāļļāļ Feature āļāđāļāļāļāļīāļāļēāļĢāļāļēāļāđāļēāļāļāļ§āļēāļĄāļāļĨāļāļāļ āļąāļĒāđāļāđāļāļŦāļĨāļąāļ
|
|
2. **Performance Excellence** - āļāļāļāļŠāļāļāļāļāļēāļĄ Performance Targets āļāļĩāđāļāļģāļŦāļāļ
|
|
3. **User Experience** - Interface āļāļĩāđāđāļāđāļāļēāļāļāđāļēāļĒāđāļĨāļ°āļĄāļĩāļāļĢāļ°āļŠāļīāļāļāļīāļ āļēāļ
|
|
4. **Scalability** - āļāļāļāđāļāļāļĢāļāļāļĢāļąāļāļāļēāļĢāļāļĒāļēāļĒāļāļąāļ§āđāļāļāļāļēāļāļ
|
|
5. **Maintainability** - āđāļāđāļāļāļĩāđāļŠāļ°āļāļēāļāđāļĨāļ°āļāļģāļĢāļļāļāļĢāļąāļāļĐāļēāļāđāļēāļĒ
|
|
6. **Compliance** - āđāļāđāļāđāļāļāļēāļĄāļĄāļēāļāļĢāļāļēāļāđāļĨāļ°āļāļāļĢāļ°āđāļāļĩāļĒāļāļāļĩāđāđāļāļĩāđāļĒāļ§āļāđāļāļ
|
|
|
|
## ð **Implementation Metrics**
|
|
|
|
| āļŦāļĄāļ§āļāļŦāļĄāļđāđ | āđāļāđāļēāļŦāļĄāļēāļĒ | āļ§āļīāļāļĩāļāļēāļĢāļ§āļąāļāļāļĨ |
|
|
| ------------------- | ----------------------------- | -------------------------- |
|
|
| **Performance** | API Response < 200ms | 90th percentile monitoring |
|
|
| **Security** | Zero Critical Vulnerabilities | Regular security scans |
|
|
| **Quality** | 80% Test Coverage | Automated testing reports |
|
|
| **Usability** | User Satisfaction > 4.5/5 | User feedback surveys |
|
|
| **Reliability** | 99.9% Uptime | System monitoring |
|
|
| **Maintainability** | < 5% Code Duplication | Static code analysis |
|
|
|
|
---
|
|
|
|
**Document Control:**
|
|
|
|
* Document: Application Requirements Specification DMS v1.4.2
|
|
* Version: 1.4.2
|
|
* Date: 2025-11-16
|
|
* Author: System Architecture Team
|
|
* Status: FINAL
|
|
* Classification: Internal Technical Documentation
|
|
|
|
_End of Requirements Specification_
|