Under the hood
Useful2 Signal2
The session git journal can now tell a cleared worktree copy apart from one that started empty.
What's wrong with this entry?
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What
The per-session git journal gained files marking that a session ended and that it started empty, plus a hook and queue state for recording that a worktree copy was cleared, so an empty directory is no longer ambiguous.
Evidence
markCopyCleared
Strings lifted out of the shipped bundle, so the claim above can be checked against them.