stack/docs/plans/reviews/2026-09-07_tmux-transport-r4-delivery-receipt.md

R4 review request transport receipt

Sender dragon-lin:darkwing; target default socket =filbert; one actionable agent-send.sh invocation pointing to 2026-09-07_tmux-transport-r4-review-request.md. Eight export hashes verified before request.

Exit 0: transport dispatched; application acceptance unknown.

This confirms tmux transport operations only. No reviewer acknowledgement, accepted assignment, completed review or approval inferred. Expected verdict: docs/plans/reviews/2026-09-07_tmux-transport-r4-verdict.md. Darkwing owns reconciliation of reply/artifact; no resend or timer. Export remains immutable.