Claude Code sometimes emits a stray court token and raw <invoke> as plain text instead of running Read/Edit/Bash — a malformed tool call that never executes. How to tell it from a hung shell or a 'could not be parsed' error, on long Opus 4.8 sessions.
If a long-running Mac suddenly can't open new TCP connections while existing ones keep working, it's the 49.7-day tcp_now overflow in the XNU kernel. Symptoms, why only a reboot fixes it, and the RFC 7323 workaround Apple never implemented.
A GitHub issue claimed that Claude Code was destroying uncommitted changes with `git reset --hard origin/main` every ten minutes, but the culprit turned out to be a separate tool the reporter had written.
Found a huge claudevm.bundle under ~/Library/Application Support/Claude? Claude Code's Cowork creates the 10–21GB VM even unused, regenerates it after deletion, and pushes idle CPU to 55%. Issue #22543 status and what actually clears it.
