{"ok":true,"seats":{"palette-llm":200,"palette-llm-max":200,"palette-vlm":200,"palette-llm-ko":200,"palette-island":200},"services":{"decision":200,"ocr":200},"latency_ms":{"palette-llm":495,"palette-llm-max":750,"palette-vlm":749,"palette-llm-ko":554,"palette-island":685,"decision":1123,"ocr":380},"routing":"retry once, then fallback chain per seat (vision-aware); decision 27b -> 7.3b"}