miniblog.

One subtle behaviour of Claude that wasn't obvious to me: whilst each conversation is transient, permissions persist across conversations. So if you've given permission to run e.g. 'cargo test' or even 'cargo run', you need to be sure that all future invocations are safe too. You can see the current permissions with /permissions.

Sweep is a really impressive demo of LLMs with coding: given your source code and an issue, it will generate a PR! Example: https://github.com/edreisMD/plugnplai/issues/65 I'd want to have a really thorough test suite if I was accepting LLM PRs though.

Smalltalk has a remarkable method named #become: that allows you to modify all pointers to a given object to point to a different object! https://gbracha.blogspot.com/2009/07/miracle-of-become.html This goes even further than updating instances when a class changes, it's changing instance references.