๐ฃ๐ฎ๐ฝ๐ฒ๐ฟ ๐๐ฐ๐ฐ๐ฒ๐ฝ๐๐ฎ๐ป๐ฐ๐ฒ ๐๐ป๐ป๐ผ๐๐ป๐ฐ๐ฒ๐บ๐ฒ๐ป๐ โLitmus (Re)Agent: A Benchmark and Agentic System for Predictive Evaluation of Multilingual Models