test(sync): observe receiver admission after cancellation - #80
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This was referenced Oct 2, 2026
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The canceled-transfer resume fixture slept 150 ms and assumed the receiver journal had been released; full Ubuntu CI correctly refused the immediate reopened journal while a filesystem operation retained its lock. Observe typed receiver admission within three seconds before the single resumed transfer, join sender cancellation, require hash-named part progress and retain byte-identity/reduced-refetch assertions.
A real-lock regression shows that 150 ms elapsed is insufficient and verifies admission after actual release. macOS sync E2E: 15 passed, 0 failed, 0 ignored; strict all-target/all-feature sync lint and formatting passed. Native Linux sync E2E also passed: 15 passed, 0 failed, 0 ignored; strict all-target/all-feature sync lint and formatting passed. Runtime/wire/automatic operation replay are unchanged. The original failure and measurement boundary are retained in docs/reports/rds-sync-release-fence-20261002.md.
Fixes #79.
Full Ubuntu and both native CI lanes passed. Full macOS CI failed in the existing real-clock
admission_pause_does_not_report_encoder_starvationfixture (session.rs:1871, one miss versus expected zero): original job. This PR remains open until that separate clock boundary is repaired and all required checks pass. The failure is not suppressed or counted as green.