DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
If you're running multiple Claude Code instances, you'll now see helpful debug messages:
Acquiring lock on /path/to/config.json.lock for config save (PID: 12345)
Lock acquired successfully after 150ms
Lock acquisition took longer than expected - another Claude instance may be running
