Майкрософты потюнили 4B Qwen-3.5 на 61.5% Swe-bench verified чисто генерацией задач и рлем FrogNano: Training a 4B Coding Agent via Online Task Synthesis https://microsoft.github.io/debug-gym/static/papers/frognano_technical_report.pdf https://microsoft.github.io/debug-gym/