# 📝 **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, * **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_