cold: unified handle architecture (supersedes #57)#58

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prestwich/cold-unified-architecture

May 4, 2026

Commits on Apr 21, 2026

refactor(cold): ColdStorageWrite takes &self; all backends updated in lockstep
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refactor(cold): unify handle around Arc<Inner>; remove channels and dispatcher
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fix(cold): stream permit acquired in handle; streams do not hold a read permit
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feat(cold): drain barrier moves to handle write path
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feat(cold): shutdown coordinator closes semaphores on cancel
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refactor(cold-mdbx): spawn_blocking reads, block_in_place writes, in-body iterator deadline

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claude
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feat(cold-sql): mandatory statement_timeout; read_timeout and write_timeout builders
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feat(cold): metrics and tracing spans across all operations

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docs(cold): trait impl guide documents mandatory timeouts
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test(cold): concurrency suite covers new architecture
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Commits on Apr 22, 2026

Commits on Apr 24, 2026