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lcbp3/infrastructure/Markdown/LCBP3-DMS_V1_4_2_Requirements..bak.md
2025-11-30 13:58:46 +07:00

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# 📝 **LCBP3-DMS Documents Management System Version 1.4.2: Application Requirements Specification (by DeepSeek)**
* **āļ›āļĢāļąāļšāļ›āļĢāļļāļ‡āļ•āļēāļĄāļ‚āđ‰āļ­āđ€āļŠāļ™āļ­āđāļ™āļ°āļˆāļēāļ FullStackJS Guidelines āđāļĨāļ°āđāļœāļ™āļāļēāļĢāļžāļąāļ’āļ™āļē**
## 📌 **1. āļ§āļąāļ•āļ–āļļāļ›āļĢāļ°āļŠāļ‡āļ„āđŒ**
āļŠāļĢāđ‰āļēāļ‡āđ€āļ§āđ‡āļšāđāļ­āļ›āļžāļĨāļīāđ€āļ„āļŠāļąāđˆāļ™āļŠāļģāļŦāļĢāļąāļšāļĢāļ°āļšāļšāļšāļĢāļīāļŦāļēāļĢāļˆāļąāļ”āļāļēāļĢāđ€āļ­āļāļŠāļēāļĢāđ‚āļ„āļĢāļ‡āļāļēāļĢ (Document Management System) āļ—āļĩāđˆāļŠāļēāļĄāļēāļĢāļ–āļˆāļąāļ”āļāļēāļĢāđāļĨāļ°āļ„āļ§āļšāļ„āļļāļĄ āļāļēāļĢāļŠāļ·āđˆāļ­āļŠāļēāļĢāļ”āđ‰āļ§āļĒāđ€āļ­āļāļŠāļēāļĢāļ—āļĩāđˆāļ‹āļąāļšāļ‹āđ‰āļ­āļ™ āļ­āļĒāđˆāļēāļ‡āļĄāļĩāļ›āļĢāļ°āļŠāļīāļ—āļ˜āļīāļ āļēāļž
* āļĄāļĩāļŸāļąāļ‡āļāđŒāļŠāļąāļ™āļŦāļĨāļąāļāđƒāļ™āļāļēāļĢāļ­āļąāļ›āđ‚āļŦāļĨāļ” āļˆāļąāļ”āđ€āļāđ‡āļš āļ„āđ‰āļ™āļŦāļē āđāļŠāļĢāđŒ āđāļĨāļ°āļ„āļ§āļšāļ„āļļāļĄāļŠāļīāļ—āļ˜āļīāđŒāļāļēāļĢāđ€āļ‚āđ‰āļēāļ–āļķāļ‡āđ€āļ­āļāļŠāļēāļĢ
* āļŠāđˆāļ§āļĒāļĨāļ”āļāļēāļĢāđƒāļŠāđ‰āđ€āļ­āļāļŠāļēāļĢāļāļĢāļ°āļ”āļēāļĐ āđ€āļžāļīāđˆāļĄāļ„āļ§āļēāļĄāļ›āļĨāļ­āļ”āļ āļąāļĒāđƒāļ™āļāļēāļĢāļˆāļąāļ”āđ€āļāđ‡āļšāļ‚āđ‰āļ­āļĄāļđāļĨ
* āđ€āļžāļīāđˆāļĄāļ„āļ§āļēāļĄāļŠāļ°āļ”āļ§āļāđƒāļ™āļāļēāļĢāļ—āļģāļ‡āļēāļ™āļĢāđˆāļ§āļĄāļāļąāļ™āļĢāļ°āļŦāļ§āđˆāļēāļ‡āļ­āļ‡āļāļĢāļ“āđŒ
* **āđ€āļŠāļĢāļīāļĄ:** āļ›āļĢāļąāļšāļ›āļĢāļļāļ‡āļ„āļ§āļēāļĄāļ›āļĨāļ­āļ”āļ āļąāļĒāļ‚āļ­āļ‡āļĢāļ°āļšāļšāļ”āđ‰āļ§āļĒāļĄāļēāļ•āļĢāļāļēāļĢāļ›āđ‰āļ­āļ‡āļāļąāļ™āļ—āļĩāđˆāļ—āļąāļ™āļŠāļĄāļąāļĒ
* **āđ€āļŠāļĢāļīāļĄ:** āđ€āļžāļīāđˆāļĄāļ„āļ§āļēāļĄāļ—āļ™āļ—āļēāļ™āļ‚āļ­āļ‡āļĢāļ°āļšāļšāļ”āđ‰āļ§āļĒāļāļĨāđ„āļ resilience patterns
* **āđ€āļŠāļĢāļīāļĄ:** āļŠāļĢāđ‰āļēāļ‡āļĢāļ°āļšāļš monitoring āđāļĨāļ° observability āļ—āļĩāđˆāļ„āļĢāļ­āļšāļ„āļĨāļļāļĄ
## 🛠ïļ **2. āļŠāļ–āļēāļ›āļąāļ•āļĒāļāļĢāļĢāļĄāđāļĨāļ°āđ€āļ—āļ„āđ‚āļ™āđ‚āļĨāļĒāļĩ (System Architecture & Technology Stack)**
### **2.1 Infrastructure & Environment:**
* **Server:** QNAP (Model: TS-473A, RAM: 32GB, CPU: AMD Ryzen V1500B)
* **Containerization:** Container Station (Docker & Docker Compose)
* **Domain:** np-dms.work, <www.np-dms.work>
* **IP:** 159.192.126.103
* **Docker Network:** āļ—āļļāļ Service āļˆāļ°āđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļœāđˆāļēāļ™āđ€āļ„āļĢāļ·āļ­āļ‚āđˆāļēāļĒāļāļĨāļēāļ‡āļŠāļ·āđˆāļ­ lcbp3
* **Data Storage:** /share/dms-data āļšāļ™ QNAP
* **āļ‚āđ‰āļ­āļˆāļģāļāļąāļ”:** āđ„āļĄāđˆāļŠāļēāļĄāļēāļĢāļ–āđƒāļŠāđ‰ .env āđƒāļ™āļāļēāļĢāļāļģāļŦāļ™āļ”āļ•āļąāļ§āđāļ›āļĢāļ āļēāļĒāļ™āļ­āļāđ„āļ”āđ‰ āļ•āđ‰āļ­āļ‡āļāļģāļŦāļ™āļ”āđƒāļ™ docker-compose.yml āđ€āļ—āđˆāļēāļ™āļąāđ‰āļ™
### **2.2 Technology Stack:**
* Backend:
* framework: NestJS (TypeScript, ESM)
* database: MariaDB 10.11
* orm: TypeORM
* auth: JWT + Passport + CASL
* fileProcessing: Multer + ClamAV
* search: Elasticsearch
* caching: Redis
* resilience: Circuit Breaker, Retry Patterns
* frontend:
* framework: Next.js 14 (App Router, React, TypeScript, ESM)
* styling: Tailwind CSS + PostCSS
* components: shadcn/ui + Radix UI
* stateManagement: Zustand + TanStack Query
* forms: React Hook Form + Zod
* infrastructure:
* reverseProxy: Nginx Proxy Manager
* containerization: Docker + Docker Compose
* monitoring: Winston + Health Checks
* workflow: n8n
### **2.3 Performance Targets:**
```typescript
const PERFORMANCE_TARGETS = {
api: {
responseTime: '< 200ms (90th percentile)',
searchPerformance: '< 500ms',
concurrentUsers: '100 users',
errorRate: '< 1%'
},
frontend: {
firstContentfulPaint: '< 1.5s',
largestContentfulPaint: '< 2.5s',
bundleSize: '< 500KB (gzipped)'
},
database: {
queryTime: '< 100ms (p95)',
connectionPool: '20-50 connections'
},
files: {
uploadTime: '< 30s (50MB files)',
downloadTime: '< 5s (50MB files)',
virusScanTime: '< 10s'
}
};
```
## ðŸ“Ķ **3. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļŸāļąāļ‡āļāđŒāļŠāļąāļ™āļāļēāļĢāļ—āļģāļ‡āļēāļ™ (Functional Requirements)**
### **3.1 Simplified JSON Structure:**
```typescript
// Simplified JSON Details Structure
interface BaseDetails {
version: string;
type: string;
created_at: string;
updated_at?: string;
}
interface CorrespondenceDetails extends BaseDetails {
subject: string;
description?: string;
priority: 'LOW' | 'NORMAL' | 'HIGH' | 'URGENT';
confidentiality: 'PUBLIC' | 'INTERNAL' | 'CONFIDENTIAL';
references?: Array<{
correspondence_id: number;
description: string;
}>;
}
interface RFIDetails extends BaseDetails {
questions: Array<{
question_text: string;
response_required: boolean;
deadline?: string;
}>;
category?: 'TECHNICAL' | 'ADMINISTRATIVE';
urgency?: 'LOW' | 'NORMAL' | 'HIGH';
}
```
### **3.2 Enhanced Document Management:**
* **3.2.1** āļĢāļ°āļšāļšāļ•āđ‰āļ­āļ‡āļĢāļ­āļ‡āļĢāļąāļšāļāļēāļĢāļˆāļąāļ”āļāļēāļĢāđ€āļ­āļāļŠāļēāļĢāđāļšāļš Real-time Collaboration
* **3.2.2** āļ•āđ‰āļ­āļ‡āļĄāļĩāļĢāļ°āļšāļš Version Control āļ—āļĩāđˆāļŠāļąāļ”āđ€āļˆāļ™āļŠāļģāļŦāļĢāļąāļšāļ—āļļāļāđ€āļ­āļāļŠāļēāļĢ
* **3.2.3** āļĢāļ­āļ‡āļĢāļąāļšāļāļēāļĢāļ„āđ‰āļ™āļŦāļē Full-text Search āļœāđˆāļēāļ™ Elasticsearch
* **3.2.4** āļĢāļ°āļšāļšāļ•āđ‰āļ­āļ‡āļĢāļ­āļ‡āļĢāļąāļš Bulk Operations āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļˆāļąāļ”āļāļēāļĢāđ€āļ­āļāļŠāļēāļĢāļˆāļģāļ™āļ§āļ™āļĄāļēāļ
### **3.3 Advanced Workflow Management:**
* **3.3.1** āļĢāļ­āļ‡āļĢāļąāļš Conditional Workflow Routing āļ•āļēāļĄ business rules
* **3.3.2** āļĢāļ°āļšāļšāļ•āđ‰āļ­āļ‡āļĄāļĩ Escalation Mechanisms āļŠāļģāļŦāļĢāļąāļšāļ‡āļēāļ™āļ—āļĩāđˆāđ€āļĨāļĒāļāļģāļŦāļ™āļ”
* **3.3.3** āļĢāļ­āļ‡āļĢāļąāļš Parallel Workflow Steps āđ€āļĄāļ·āđˆāļ­āđ€āļŦāļĄāļēāļ°āļŠāļĄ
* **3.3.4** āļ•āđ‰āļ­āļ‡āļĄāļĩāļĢāļ°āļšāļš Notification Preferences āļŠāļģāļŦāļĢāļąāļšāļœāļđāđ‰āđƒāļŠāđ‰
## 🔐 **4. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļŠāļīāļ—āļ˜āļīāđŒāđāļĨāļ°āļāļēāļĢāđ€āļ‚āđ‰āļēāļ–āļķāļ‡ (Access Control Requirements)**
### **4.1 Enhanced RBAC System:**
```typescript
const PERMISSION_HIERARCHY = {
levels: ['GLOBAL', 'ORGANIZATION', 'PROJECT', 'CONTRACT'],
evaluation: 'MOST_PERMISSIVE',
features: {
dynamicRoles: 'Admin āļŠāļēāļĄāļēāļĢāļ–āļŠāļĢāđ‰āļēāļ‡āļšāļ—āļšāļēāļ—āđƒāļŦāļĄāđˆāđ„āļ”āđ‰',
permissionTemplates: 'āđƒāļŠāđ‰ template āļŠāļģāļŦāļĢāļąāļšāļšāļ—āļšāļēāļ—āļĄāļēāļ•āļĢāļāļēāļ™',
timeBoundPermissions: 'āļŠāļīāļ—āļ˜āļīāđŒāļŠāļąāđˆāļ§āļ„āļĢāļēāļ§āļ•āļēāļĄāļĢāļ°āļĒāļ°āđ€āļ§āļĨāļē'
}
};
```
### **4.2 Advanced Security Controls:**
* **4.2.1** āļ•āđ‰āļ­āļ‡āļĄāļĩ Session Management āļ—āļĩāđˆāļ›āļĨāļ­āļ”āļ āļąāļĒ
* **4.2.2** āļĢāļ­āļ‡āļĢāļąāļš Multi-factor Authentication (MFA)
* **4.2.3** āļ•āđ‰āļ­āļ‡āļĄāļĩāļĢāļ°āļšāļš Audit Trail āļ—āļĩāđˆāļ„āļĢāļ­āļšāļ„āļĨāļļāļĄ
* **4.2.4** āļĢāļ­āļ‡āļĢāļąāļš Security Policy Enforcement
## ðŸ‘Ĩ **5. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļœāļđāđ‰āđƒāļŠāđ‰āļ‡āļēāļ™ (User Interface & Experience)**
### **5.1 Component Architecture:**
```
📁 Frontend Structure:
├── 📁 app/ # Next.js App Router
├── 📁 components/
│ ├── 📁 ui/ # Shadcn/ui components
│ ├── 📁 forms/ # Form components
│ ├── 📁 workflows/ # Workflow components
│ ├── 📁 data-display/ # Data display components
│ └── 📁 layouts/ # Layout components
├── 📁 hooks/ # Custom hooks
├── 📁 stores/ # Zustand stores
├── 📁 lib/ # Utilities and config
└── 📁 types/ # TypeScript definitions
```
### **5.2 State Management Strategy:**
```typescript
const STATE_MANAGEMENT = {
serverState: {
tool: 'TanStack Query',
useCases: ['API data', 'Search results', 'User profiles']
},
clientState: {
tool: 'Zustand',
useCases: ['UI state', 'Form state', 'User preferences']
},
formState: {
tool: 'React Hook Form + Zod',
useCases: ['All forms', 'Validation', 'Form wizard']
}
};
```
## 🚀 **6. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ—āļĩāđˆāđ„āļĄāđˆāđƒāļŠāđˆāļŸāļąāļ‡āļāđŒāļŠāļąāļ™āļāļēāļĢāļ—āļģāļ‡āļēāļ™ (Non-Functional Requirements)**
### **6.1 Enhanced Performance Requirements:**
```typescript
const PERFORMANCE_REQUIREMENTS = {
scalability: {
concurrentUsers: '100+ users',
documentStorage: '10,000+ documents',
fileStorage: '1TB+ capacity'
},
reliability: {
uptime: '99.9%',
backupRecovery: '4-hour RTO, 1-hour RPO',
errorHandling: 'Graceful degradation'
},
security: {
authentication: 'JWT with refresh tokens',
authorization: 'RBAC with 4-level hierarchy',
dataProtection: 'Encryption at rest and in transit'
}
};
```
### **6.2 Advanced Monitoring & Observability:**
```typescript
const MONITORING_REQUIREMENTS = {
applicationMetrics: [
'api_response_times',
'error_rates',
'user_activity',
'workflow_completion_rates'
],
businessMetrics: [
'documents_created_daily',
'average_approval_time',
'sla_compliance_rates',
'user_satisfaction_scores'
],
securityMetrics: [
'failed_login_attempts',
'file_scan_results',
'permission_changes',
'security_incidents'
]
};
```
### **6.3 Enhanced Security Requirements:**
* **6.3.1** āļ•āđ‰āļ­āļ‡āļĄāļĩ Comprehensive Input Validation
* **6.3.2** āļ•āđ‰āļ­āļ‡āļ›āđ‰āļ­āļ‡āļāļąāļ™ OWASP Top 10 vulnerabilities
* **6.3.3** āļ•āđ‰āļ­āļ‡āļĄāļĩ Rate Limiting āļ—āļĩāđˆ configuraable
* **6.3.4** āļ•āđ‰āļ­āļ‡āļĄāļĩ Security Headers āđāļĨāļ° CSP
### **6.4 Database Optimization Requirements:**
```typescript
const DATABASE_REQUIREMENTS = {
performance: {
queryOptimization: 'All queries under 100ms',
indexingStrategy: 'Composite indexes for common queries',
connectionPooling: '20-50 connections'
},
maintenance: {
backup: 'Daily full + hourly incremental',
cleanup: 'Automated archive of old records',
monitoring: 'Slow query logging and alerting'
}
};
```
## 🧊 **7. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļāļēāļĢāļ—āļ”āļŠāļ­āļš (Testing Requirements)**
### **7.1 Comprehensive Testing Strategy:**
```typescript
const TESTING_STRATEGY = {
unitTesting: {
coverage: '80% minimum',
focus: 'Business logic and utilities',
tools: ['Jest', 'React Testing Library']
},
integrationTesting: {
coverage: 'Critical user journeys',
focus: 'API endpoints and database operations',
tools: ['Supertest', 'Testcontainers']
},
e2eTesting: {
coverage: 'Core business workflows',
focus: 'User registration to document approval',
tools: ['Playwright', 'Jest']
},
performanceTesting: {
coverage: 'Critical paths under load',
focus: 'API response times and concurrent users',
tools: ['k6', 'Artillery']
},
securityTesting: {
coverage: 'OWASP Top 10 vulnerabilities',
focus: 'Authentication, authorization, input validation',
tools: ['OWASP ZAP', 'Snyk']
}
};
```
### **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'
]
};
```
## 🔄 **8. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļāļēāļĢāļšāļģāļĢāļļāļ‡āļĢāļąāļāļĐāļē (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 āļŠāļąāđˆāļ§āđ‚āļĄāļ‡
* **8.2.2** Recovery Point Objective (RPO): < 1 āļŠāļąāđˆāļ§āđ‚āļĄāļ‡
* **8.2.3** āļ•āđ‰āļ­āļ‡āļĄāļĩ Automated Recovery Procedures
* **8.2.4** āļ•āđ‰āļ­āļ‡āļĄāļĩ Regular Disaster Recovery Testing
## ðŸ‘Ĩ **9. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļāļēāļĢāļžāļąāļ’āļ™āļē (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'
}
};
```
## 📊 **10. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļāļēāļĢāļĢāļēāļĒāļ‡āļēāļ™āđāļĨāļ°āļ§āļīāđ€āļ„āļĢāļēāļ°āļŦāđŒ (Reporting & Analytics Requirements)**
### **10.1 Business Intelligence:**
* **10.1.1** āļ•āđ‰āļ­āļ‡āļĄāļĩ Real-time Dashboard āļŠāļģāļŦāļĢāļąāļš Key Metrics
* **10.1.2** āļĢāļ­āļ‡āļĢāļąāļš Custom Reports āđāļĨāļ° Exports
* **10.1.3** āļ•āđ‰āļ­āļ‡āļĄāļĩ Predictive Analytics āļŠāļģāļŦāļĢāļąāļš Workflow Optimization
* **10.1.4** āļĢāļ­āļ‡āļĢāļąāļš Data Visualization āļ—āļĩāđˆāļŦāļĨāļēāļāļŦāļĨāļēāļĒ
### **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'
]
};
```
## 🔧 **11. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļāļēāļĢāļ›āļĢāļąāļšāļ›āļĢāļļāļ‡āļĢāļ°āļšāļš (System Enhancement Requirements)**
### **11.1 Scalability & Extensibility:**
* **11.1.1** āļĢāļ°āļšāļšāļ•āđ‰āļ­āļ‡āļĢāļ­āļ‡āļĢāļąāļš Horizontal Scaling
* **11.1.2** āļ•āđ‰āļ­āļ‡āļĄāļĩ Clean Architecture āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļ‚āļĒāļēāļĒåŠŸčƒ―
* **11.1.3** āļĢāļ­āļ‡āļĢāļąāļš Plugin Architecture āļŠāļģāļŦāļĢāļąāļšāļŸāļĩāđ€āļˆāļ­āļĢāđŒāđ€āļžāļīāđˆāļĄāđ€āļ•āļīāļĄ
* **11.1.4** āļ•āđ‰āļ­āļ‡āļĄāļĩ 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'
}
};
```
## ðŸ›Ąïļ **12. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļ„āļ§āļēāļĄāļ›āļĨāļ­āļ”āļ āļąāļĒāļ‚āļąāđ‰āļ™āļŠāļđāļ‡ (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** āļ•āđ‰āļ­āļ‡āļĄāļĩ Real-time Threat Detection
* **12.2.2** āļĢāļ­āļ‡āļĢāļąāļš Security Incident Response
* **12.2.3** āļ•āđ‰āļ­āļ‡āļĄāļĩ Vulnerability Management Program
* **12.2.4** āļĢāļ­āļ‡āļĢāļąāļš Compliance Auditing
## 📈 **13. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļ›āļĢāļ°āļŠāļīāļ—āļ˜āļīāļ āļēāļžāļ‚āļąāđ‰āļ™āļŠāļđāļ‡ (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** āļ•āđ‰āļ­āļ‡āļĢāļ­āļ‡āļĢāļąāļš Peak Loads āđ„āļ”āđ‰ 3x Normal Capacity
* **13.2.2** āļ•āđ‰āļ­āļ‡āļĄāļĩ Auto-scaling Capabilities
* **13.2.3** āļĢāļ­āļ‡āļĢāļąāļš Graceful Degradation
* **13.2.4** āļ•āđ‰āļ­āļ‡āļĄāļĩ Comprehensive Load Testing
## 🔄 **14. āļ‚āđ‰āļ­āļāļģāļŦāļ™āļ”āļ”āđ‰āļēāļ™āļāļēāļĢāļ­āļąāļ›āđ€āļāļĢāļ”āđāļĨāļ°āļ„āļ§āļēāļĄāđ€āļ‚āđ‰āļēāļāļąāļ™āđ„āļ”āđ‰ (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** āļ•āđ‰āļ­āļ‡āļĢāļ­āļ‡āļĢāļąāļš Browser āļ—āļĩāđˆāļ—āļąāļ™āļŠāļĄāļąāļĒ (Latest 2 versions)
* **14.2.2** āļĢāļ­āļ‡āļĢāļąāļš Mobile Responsive Design
* **14.2.3** āļ•āđ‰āļ­āļ‡āļĄāļĩ Accessibility Compliance (WCAG 2.1 AA)
* **14.2.4** āļĢāļ­āļ‡āļĢāļąāļš Internationalization (i18n)
---
## 📋 **āļŠāļĢāļļāļ›āļāļēāļĢāļ›āļĢāļąāļšāļ›āļĢāļļāļ‡āļˆāļēāļāđ€āļ§āļ­āļĢāđŒāļŠāļąāļ™āļāđˆāļ­āļ™āļŦāļ™āđ‰āļē**
### **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
## ðŸŽŊ **Critical Success Factors**
1. **Security First** - āļ—āļļāļ Feature āļ•āđ‰āļ­āļ‡āļžāļīāļˆāļēāļĢāļ“āļēāļ”āđ‰āļēāļ™āļ„āļ§āļēāļĄāļ›āļĨāļ­āļ”āļ āļąāļĒāđ€āļ›āđ‡āļ™āļŦāļĨāļąāļ
2. **Performance Excellence** - āļ•āļ­āļšāļŠāļ™āļ­āļ‡āļ•āļēāļĄ Performance Targets āļ—āļĩāđˆāļāļģāļŦāļ™āļ”
3. **User Experience** - Interface āļ—āļĩāđˆāđƒāļŠāđ‰āļ‡āļēāļ™āļ‡āđˆāļēāļĒāđāļĨāļ°āļĄāļĩāļ›āļĢāļ°āļŠāļīāļ—āļ˜āļīāļ āļēāļž
4. **Scalability** - āļ­āļ­āļāđāļšāļšāļĢāļ­āļ‡āļĢāļąāļšāļāļēāļĢāļ‚āļĒāļēāļĒāļ•āļąāļ§āđƒāļ™āļ­āļ™āļēāļ„āļ•
5. **Maintainability** - āđ‚āļ„āđ‰āļ”āļ—āļĩāđˆāļŠāļ°āļ­āļēāļ”āđāļĨāļ°āļšāļģāļĢāļļāļ‡āļĢāļąāļāļĐāļēāļ‡āđˆāļēāļĒ
6. **Compliance** - āđ€āļ›āđ‡āļ™āđ„āļ›āļ•āļēāļĄāļĄāļēāļ•āļĢāļāļēāļ™āđāļĨāļ°āļāļŽāļĢāļ°āđ€āļšāļĩāļĒāļšāļ—āļĩāđˆāđ€āļāļĩāđˆāļĒāļ§āļ‚āđ‰āļ­āļ‡
## 📊 **Implementation Metrics**
| āļŦāļĄāļ§āļ”āļŦāļĄāļđāđˆ | āđ€āļ›āđ‰āļēāļŦāļĄāļēāļĒ | āļ§āļīāļ˜āļĩāļāļēāļĢāļ§āļąāļ”āļœāļĨ |
| ------------------- | ----------------------------- | -------------------------- |
| **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_