Under the hood
Useful2 Signal2
Adopting an agent's transcript now hard-links the file, copying only when linking is impossible.
What's wrong with this entry?
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What
On the v5 transcript storage backend, adopting an agent now places its transcript and metadata file under the expected name using a hard link, falling back to a streaming copy when linking is not possible. The older relink path still runs on other backends.
Details
- The fallback copy verifies the inode, refuses on
ADOPT_IDENTITY_MISMATCH, and preserves timestamps. - If the transcript step throws, the metadata file write is rolled back.
- A new
tengu_adopt_linkevent records the kind, the method used and any fallback code, reportingadopt_link_fallback_copywhen a copy was needed.
Evidence
tengu_adopt_link
Strings lifted out of the shipped bundle, so the claim above can be checked against them.