Detect and recover from master worker death during setup#91

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ssteele110 wants to merge 12 commits intomasterfrom

sammyst/master-setup-heartbeat

Commits on Feb 5, 2026

Detect and recover from master worker death during setup

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Fix TOCTOU race in push() using WATCH/MULTI

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Fix race condition: set initial heartbeat in acquire_master_role

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Fix race condition: check status before running master setup after takeover

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Revert "Fix race condition: check status before running master setup after takeover"
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Fix md5 hash difference
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Refactor: extract execute_master_setup to remove duplication

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add logging
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Commits on Feb 11, 2026

Commits on Feb 12, 2026

Add unit and integration tests for master setup heartbeat feature

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