Under the hood
Useful1 Signal2
The BigQuery host check runs before the org setting, and a missing dispatch value blocks export entirely.
What's wrong with this entry?
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What
The new host comparison happens before the organisation setting is consulted. When workload-identity dispatch is active, the dispatch host (defaulting to api.anthropic.com when unset) is compared with the metrics endpoint host; a mismatch reports success without exporting anything, and a missing dispatch value also blocks the export. When that dispatch path is not active the check passes through.
Evidence
BigQuery metrics export: WIF dispatch host differs from the metrics endpoint host, skipping
Strings lifted out of the shipped bundle, so the claim above can be checked against them.