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The version guard read `script` without a lock, so lifecycle cleanup could find no environment row to clear, finish, and leave this transaction to commit state at a path a new script goes on to occupy. It now holds that row (`FOR SHARE`) for the rest of the publication — taken before the sidecar, the order every other dbt writer takes — and the artifacts are uploaded before the transaction, so the lock covers the row work rather than a network round trip. A commit that reports an error may still have committed: what was lost can be the acknowledgement. Dropping this run's objects then leaves the committed row naming objects that are gone, so an orphan is the cheaper side to take. A failed second upload left the manifest it had already written behind; it is dropped now. Per-publication keys retired the reason a rename cleared the environment state rather than moving it: the path is only a prefix, and the row is what names an artifact, so a script created at the old path can no longer publish over a moved row. The rename moves both halves again. `dbt ls` gets the deferral flags too, without which a `result:` selector — which reads `run_results.json` out of the state directory, and which `select` passes to dbt verbatim — fails before the build that would have honoured it. Also: the migration was the last site describing the workspace's object storage rather than the instance's, `publication_lock` folded 32 bits where it claimed 64, and `ResolvedProfile` had taken `write_profiles`'s doc block. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>