Repair ABA File Generation in React App

Fix ABA (Australian Bankers’ Association) file generation issues in a React-based web app. Ensure ABA files pass bank validation checks. Identify formatting errors and correct header, transaction, and footer records. Current Tech Stack Frontend: React (TypeScript), Vite, Tailwind CSS, shadcn/ui. State Management: TanStack Query (React Query). File Processing: JavaScript/TypeScript logic for text-based ABA file creation. Key Objectives ✅ Analyze & Fix ABA File Structure – Ensure proper formatting, spacing, and field alignments. ✅ Implement Validation Checks – Prevent invalid ABA files from being generated. ✅ Test ABA Files – Validate against bank portal and other verification tools. ✅ Enhance User Experience (Optional) – UI feedback for errors, preview option before download. Required Developer Skills JavaScript/TypeScript expertise (for text file generation). React (TypeScript) experience (to work within the app). Familiarity with ABA file specifications (or ability to quickly learn). Debugging skills – Analyze rejected ABA files & fix formatting errors. Expected Deliverables ✔️ Corrected ABA File Generation Module (Header, Transaction, Footer records). ✔️ Pre-validation System to check ABA file format before submission. ✔️ Tested & Verified ABA Files (against banks). ✔️ Documentation & Deployment (code pushed to GitHub with instructions). Project Timeline ? Week 1 – Analyze ABA file errors, identify formatting issues. ? Week 2 – Fix ABA file generation logic, implement validation checks. Test with real data, verify with payment portal.