My Coding Bot Stopped Repeating Itself After I Added Hindsight Memory

"Did it seriously just do that?" I leaned forward as our coding mentor recommended the exact problem I kept failing — not because I told it to, but because it remembered my last four sessions and noticed the pattern before I did. What We Built CodeMentor AI is a coding practice web app with one key difference from every other platform: it remembers you. Not just your score — your actual mistake patterns, your weak topics, your solving speed by language, across every single session. The memory layer is powered by Hindsight , a persistent agent memory system by Vectorize. The LLM is Groq running qwen/qwen3-32b. The frontend is React with Monaco Editor — the same editor used in VS Code. The app has 5 modules: a code editor for practice, a mistake memory tracker, an AI mentor chat, a personalized learning path generator, and a progress analytics dashboard. Everything is wired through Hindsight's retain() and recall() functions. The Problem With Every Other Coding Platform LeetCode doesn't