You'll notice
Useful2 Signal1
Listing an artifact's files now counts as a read, so it runs alongside other reads without waiting.
What's wrong with this entry?
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What
Listing the files attached to an artifact is now treated as read-only and safe to run alongside other reads, so it does not block on write permission or serialise with other tool calls.
Evidence
list_assets
Strings lifted out of the shipped bundle, so the claim above can be checked against them.