RepoAI: Automated code refactoring through multi-agent LLM orchestration and retrieval-augmented generation. - Nacha Chondamrongkul; Moe Pyae Pyae Kyaw; Soe Moe Ko; Pyae Phyo Paing; Min Khant Than Swe; Tew Hongthong (Sci. Comput. Program., 2026)