 yonlu
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4d64b5dcfe
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feat(15-02): create backend/fileutil package with AtomicWrite
- Callback API: AtomicWrite(logger, targetPath, func(tmp *os.File) error)
- Deterministic .yj-tmp suffix for orphan cleanup
- Permission preservation (stat target, chmod temp before rename)
- Cross-device rejection via ErrCrossDevice sentinel
- Orphan cleanup on startup of each write operation
- Sync for durability before rename
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2026-03-16 18:11:41 -04:00 |
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