* fix: treat empty global setting strings as unset
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: close protected-setting whitespace gap in diff and preserve empty ws override
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>