execution: key builders by payload timestamp and give them a lifecycle - #23272

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lystopad wants to merge 7 commits into

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feature/lystopad/builder-lifecycle

Commits on Aug 17, 2026

execution: key builders by payload timestamp and give them a lifecycle
lystopad
committed
9a294a7
execution: address review
lystopad
committed
2f0fe04
execution: give each builder a cancellable lifetime
lystopad
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bbca601
execution: keep the transaction provider out of the request comparison
lystopad
committed
503e151
execution: ask the builder whether the build failed, rather than reading the error
lystopad
committed
d408051
execution: bound a build that will not stop, and keep eviction off a live proposal
lystopad
committed
a5c33c4
execution: keep the builder cache bounded while protecting a live proposal
lystopad
committed
584f859