Close atomic JSON write symlink window - #89
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codeforester merged 1 commit intoAug 5, 2026
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August 5, 2026 00:05
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August 5, 2026 00:06
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Summary
Remove the redundant post-replacement permission rewrite from atomic JSON writes. The temporary file is already created with private permissions and synced before replacement, so re-opening the destination by path is unnecessary and could create a symlink-swap window.
Validation
.venv/bin/python -m pytest -q tests/test_run_bundle_retention.py tests/test_app_run_metadata.py tests/test_app_log_retention.pygit diff --checkFollow-up hardening for #86/#62.