After a macOS update, tmux sessions started by cron lost access to the Keychain, causing Claude CLI batch jobs to silently fail. Diagnosing the issue, the fix, and why this is a structural macOS Keychain problem rather than a Claude CLI bug.
A thinking block corruption error crashed my Claude Code Web session and wiped uncommitted files. An investigation into the cause, workarounds, and whether the files can be recovered.
In January 2026, Logi Options+ and G HUB stopped working on macOS due to an expired certificate. Here's how to fix it and why this happened in the first place.
How to resolve the error "The project used to create this conversation has been deleted" that appears when trying to use a custom Gem in the Gemini app.
Tried to implement morphological analysis in the browser — Sudachi was too heavy, kuromoji.js had a bug. Eventually solved it with a fork and a custom loader.
