Sonnet 5's commit message detailed all seven specific Terra fixes applied: 'demasiado difíciles de manejar, the negation rewrite, Si has pasado por esto antes, correr en el sitio, the wound-care em-dash smoothing, hacerte mucho daño, and personas con experiencia vivida' — this level of detail in a commit message is unusual for code repositories, where messages tend to be terse — but for content repositories where linguistic nuance matters, detailed commit messages serve as: (1) audit trail for reviewers, (2) context for future translators working on other languages, (3) training data for understanding what 'fluency repair' looks like across languages