Harden daemon: socket permissions, env safety, telemetry, rewrite locking#1029
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Harden daemon: socket permissions, env safety, telemetry, rewrite locking#1029
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This was referenced Apr 9, 2026
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…king - Set umask(077) before creating control/trace sockets to prevent TOCTOU race with subsequent chmod - Set daemon directory permissions to 0700 - Move env var sanitization before tokio runtime build to avoid unsafe env modification from worker threads - Track dropped telemetry envelopes and CAS records via atomic counters, expose in FamilyStatus - Make watermark update a confirmed operation via oneshot channel - Scope watermark pruning to the correct worktree prefix - Add file locking for rewrite log read-modify-write cycles Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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TOCTOU race with subsequent chmod
unsafe env modification from worker threads
counters, expose in FamilyStatus
Co-Authored-By: Claude Opus 4.6 noreply@anthropic.com