chore: update TODOs for various components and files to enhance validation, UI/UX, security, state management, performance, and testing improvements

src/pages/api/transactions/index.ts

@@ -1,7 +1,26 @@
+// TODO: Security Improvements
+// - Add input validation and sanitization
+// - Implement rate limiting for API endpoints
+// - Add request authentication
+// - Implement CSRF protection
+// - Add request logging and monitoring
+// - Implement secure session management
+// - Add API versioning
+// - Set up proper CORS configuration
+
 import type { APIRoute } from "astro";
 import { transactions, accounts } from "../../../data/store";
 import type { Transaction } from "../../../types";
 
+// TODO: API Improvements
+// - Add request rate limiting
+// - Implement proper API authentication
+// - Add input sanitization
+// - Implement request validation middleware
+// - Add API versioning
+// - Consider implementing GraphQL for more flexible queries
+// - Add proper logging and monitoring
+
 export const POST: APIRoute = async ({ request }) => {
   try {
     const transaction = (await request.json()) as Omit<Transaction, "id">;

src/pages/index.astro

@@ -3,8 +3,23 @@ import BaseLayout from '../layouts/BaseLayout.astro';
 import Sidebar from '../components/Sidebar.astro';
 import MainContent from '../components/MainContent.astro';
 import type { Account, Transaction } from '../types';
-import type { TransactionEventDetail } from '../types/events';
-import { formatCurrency, formatDate } from '../utils';
+
+// TODO: State Management Improvements
+// - Consider implementing Nano Stores for better state management
+// - Add more robust error handling and user feedback
+// - Implement loading states for all async operations
+// - Add offline support with data synchronization
+// - Consider implementing optimistic updates for better UX
+
+// TODO: Performance & Monitoring
+// - Implement client-side error tracking
+// - Add performance metrics collection
+// - Set up monitoring for API response times
+// - Implement request caching strategy
+// - Add lazy loading for transaction history
+// - Optimize bundle size
+// - Add performance budgets
+// - Implement progressive loading
 
 // Fetch accounts from API
 const accountsResponse = await fetch('http://localhost:4321/api/accounts');