feat: POSIX conformance hardening (US-043–US-049)#49
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NathanFlurry merged 1 commit intomainfrom Mar 24, 2026
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Fixes from adversarial review of POSIX implementation: - Implement F_DUPFD and F_DUPFD_CLOEXEC in fcntl sysroot override - Add EINVAL bounds check to pthread_key_delete for invalid keys - Increase fmtmsg buffer size and add MM_RECOVER classification - Fix pipe pollState to use byte count instead of chunk count - Add missing FHS directories to kernel init (/opt, /mnt, /media, /home, /dev/shm, /dev/pts) - Document net_poll permission removal and pthread_mutex_timedlock limitation - Fix statvfs exclusion issue link and nativeParity report metric Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Follows up on PR #46 with fixes from adversarial code review.
Test plan
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