c24a7e2a11264e4e6274a7aed93b212cf7568e0d
formatValue now detects YAML-special tokens (true/false/null/yes/no/on/off/y/n/~) and numeric-looking strings, quoting them via JSON.stringify so YAML parsers cannot misread them as booleans or numbers. ISO date strings (YYYY-MM-DD) are exempt and remain bare for readability. Adds four covering tests. Co-Authored-By: Claude <noreply@anthropic.com>
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