[yifjiang]

Summary

One primary pin spans all rank parts, completion waits for every worker, cleanup is serialized, uncertain native shutdown cannot release live storage.

Review slice D25 of #16748; part of #16747 and #16746. This draft targets codex/kv-reuse-d24-gpu-endpoint-ownership for a complete incremental review diff of 392 additions plus deletions, including tests, documentation and extraction glue.

Extraction details:

• Typed-envelope and framework-key delivery regressions land with asynchronous transfer processing.

Reuse remains experimental and default off. Retained inventory is advisory, complete compatible rank parts must precede readiness, and native operations retain ownership until quiescence. Supported GPU activation also requires the companion KVCR/native slices and the declared deployment profile.

Validation

All configured pre-commit hooks passed for this exact slice on allocated SLURM. Stack-level CPU regression coverage is summarized on D31; each draft still requires its own applicable CI in the Checks tab. Historical combined-head and hardware results retain their original source scope.

[devin-ai-integration]

✅ Dynamo PR CI passed — run 41941699952 (attempt 2) on ff0c1f0162

Gate checks: ✅ backend-status-check · ✅ deploy-status-check · ✅ dynamo-status-check

_{Posted automatically by Devin for run 41941699952. Updated on every full-CI run of this PR.}

[copy-pr-bot]

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[copy-pr-bot]

This pull request requires additional validation before any workflows can run on NVIDIA's runners.

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[yifjiang]

/ok to test 4f425bf

[yifjiang]

/ok to test ff0c1f0