fix: write .bak files before modifying existing config files (#18)#26
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fix: write .bak files before modifying existing config files (#18)#26
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Fixes #18.
Added
writeBackup(path)helper that copies an existing file to<path>.snare.bakbefore any canary appends to it. On successful disarm, the.bakis deleted. Only created when the original file already exists — new files created by snare get no backup.