Drop `QuiescentError::with_negotiation_failure_reason`#4608

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jkczyz wants to merge 3 commits intolightningdevkit:mainfrom

jkczyz:2026-05-splice-rbf-fail-event-follow-ups

Commits on May 8, 2026

Pick NegotiationFailureReason at error construction

jkczyz
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claude
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Document SpliceNegotiationFailed contribution / DiscardFunding overlap

jkczyz
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claude
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Document script_pubkey-only matching in into_unique_contributions

jkczyz
and
claude
committed