This AI just read my entire codebase. And fixed a bug that had me stuck for two hours. Here's the alpha: Cursor — powered by Claude 3.5 — just shipped Composer mode, and it is not what ChatGPT is doing. While ChatGPT reads one file at a time, Cursor ingests your entire repo. Thousands of lines. Every function, every dependency, every import. So when I dropped a null pointer bug into it, it didn't …