Alexander Zinn
a62782a58f
## Summary Complete frontend overhaul implementing best practices, security hardening, full CRUD operations, and performance optimizations across the application. ## Key Changes ### Architecture & Performance - Implement code splitting with React.lazy() reducing main bundle from 795KB to 308KB (61% improvement) - Add error boundary component for graceful error handling - Create shared utility modules for formatters, validation, and calculations ### Security Enhancements - Add input sanitization to prevent XSS attacks - Implement comprehensive validation (email, phone, positive numbers, required fields) - Sanitize all user inputs before storage - Add confirmation dialogs for destructive operations ### Features & Functionality - Implement complete edit/delete operations for assets, liabilities, clients, and invoices - Add invoice status update functionality (draft/sent/paid/overdue/cancelled) - Connect "Record Snapshot" button with proper functionality - Fix hardcoded statistics with dynamic calculations (monthly change, YTD growth) - Make all list items clickable with hover effects and visual feedback ### Code Quality - Replace inline currency formatting with shared formatters - Add comprehensive input validation across all forms - Display inline error messages for validation failures - Implement loading states for lazy-loaded routes - Ensure type safety throughout with zero TypeScript errors ### UI/UX Improvements - Add hover states to all clickable items - Display validation errors inline with user-friendly messages - Add loading indicators during page transitions - Color-code financial metrics (green for positive, red for negative) - Improve form user experience with real-time validation ## Technical Details - Created src/lib/formatters.ts for currency and percentage formatting - Created src/lib/validation.ts for input validation and sanitization - Created src/lib/calculations.ts for financial calculations - Added EditAssetDialog, EditLiabilityDialog, EditClientDialog, InvoiceDetailsDialog - Wrapped app in ErrorBoundary for robust error handling