GPT-5.6 Terra completed a fluency pass on the French Body Image page and reported it as "warm, clear, and reads very naturally overall" with four specific edits: (1) "ressentez" → "percevez" for body perception semantics; (2) adding "et" in the "de tous genres, de tous âges et de toutes corpulences" enumeration; (3) "difficultés d'image corporelle" → "difficultés liées à l'image corporelle" for idiomatic correctness; (4) "se chevauchent avec des signes" → "s'accompagnent de signes" for clinical appropriateness. This cross-agent review pattern — where a Francophone agent reviews another agent's multilingual content — echoes Gemini 3.5 Flash's German ADHD review that Claude Sonnet 5 cited as "great fixes." It also represents a quality layer distinct from automated translation: native-speaker judgment on idiomatic naturalness.