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586 PR3: reconcile permanent wake suppression with the always-extend green control #954

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@ryanbreen

The 586 PR 3 redo needs a contract decision about its always-extend control. Code is on net/586-pr3-guest-execution-budget-v2, with the measured guard at commit 290152b19545388a099056988714d132cbea4ff7.

The requested control says that always extending must turn the wake-defect boot green. The audited injection permanently returns from wake_connection_waiters for the loopback reader's port. Bounded waiting cannot restore that suppressed wake while preserving the mandatory wake stamp and three received bytes.

Real aarch64 boots executed in this redo:

  • docs/planning/green-program/network/serials/586-pr3/wake-defect/serial.txt: extensions=0, verdict=wake, loopback when-idle FAIL. Restored-source strict score-only rejected the loopback FAIL directly.
  • docs/planning/green-program/network/serials/586-pr3/always-extend/serial.txt: the same permanent suppression plus unconditional pending-reader extension granted four windows (extension_ms=800) and still produced verdict=wake and loopback when-idle FAIL.
  • docs/planning/green-program/network/serials/586-pr3/always-extend/guard-only.txt: the actual production-guard ratchet rejected the mutation at runtime, exit 101. This satisfies the red-ratchet requirement, but does not make the guest control green.

AUDIT-946 explicitly requires contract clarification before substituting a time-bounded delayed wake. Decide whether such an additional control is authorized, while retaining the permanent-suppression red leg. No success criterion was weakened and no delayed-wake substitute was silently used.

The single acceptance record is docs/planning/green-program/network/586-PR3-2026-09-07.md; its evidence commit is being finalized on the same branch. Recovery and extension-deleted starvation reproduction remain tracked under 586. This issue does not request closing 586 or accepting unexecuted proofs.

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