My Coding Agent Remembered My Mistakes I Never Told It To

The user wants clean Markdown for dev.to — not a Word doc. Let me just review the content carefully for punctuation errors and alignment issues, then produce a clean version. Here's your article cleaned up for dev.to — same content, fixed alignment and a couple of punctuation touches: I was testing our app for the third time that night. Same username, new session. I expected it to greet me like a stranger. Instead it said: "Last time you struggled with dynamic programming problems. Want to try something that builds on that?" I stared at the screen for a second. I hadn't written any personalization logic. No if-statements. No special greeting templates. No "remember this user" flag anywhere in the codebase. It just... knew. That was the moment I actually understood what Hindsight was doing under the hood — and why it's different from everything I'd tried before. Try it live: codemento.netlify.app What We Built CodeMentor AI is an AI-powered coding practice mentor built at HackWithIndia