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.
Transcript cleanup prunes stray directories instead of walking them
You'll notice
Useful2Signal1
Sessions
Transcript cleanup deletes stray old folders outright instead of crawling through them.
What's wrong with this entry?
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What
The pass that deletes old transcripts now verifies a directory name is a well-formed lowercase session id before treating it as a session directory. Anything else older than the retention cutoff is deleted outright rather than recursed into.
Details
The pass also now recognises .dir-sync.json and its temp files as its own sidecar files when deciding what it may remove.
Evidence
.dir-sync.json.tmp.
Strings lifted out of the shipped bundle, so the claim above can be checked against them.