Move live-holder inspection into a bounded helper and make repair fail closed when a process still owns the state database, including deleted WAL/SHM descriptors and ambiguous procfs reads.
Preserve the contributor lineage from the original four-commit review train while presenting one coherent release object on current main.
Co-authored-by: fangliquanflq <fangliquan@qq.com>
Co-authored-by: ciabata <296402666+ciabata-git@users.noreply.github.com>
Benjamin PERRY