Building a Full-Stack Habit Tracker with Claude Code - Part 2: Polish, Testing & Deployment Taking the habit tracker from MVP to production-ready with categories, analytics, comprehensive testing, and Vercel deployment Welcome Back! In [Part 1] , we built a fully functional habit tracker MVP in about 6-8 hours using Claude Code as our AI pair programmer. We had: ✅ Basic CRUD operations for habits ✅ Date-based tracking ✅ Dark/light theme toggle ✅ localStorage persistence ✅ Simple analytics So continuing my learning journey with Claude as I will be covering below topics and how I used claude to plan and work on them Improving the Site An 8-category organization system Improving the Site Real-time summary cards with progress bars Improving the Site Advanced analytics with streak tracking Improving the Site Smart category filtering Testing of the App using Playwright 170+ automated test cases Deployment of the app Production deployment to Vercel Let's ship this!…