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">;