During December 2024, Shubhamsaboo focused on backend stability and cache reliability for the LightRAG repository. Working primarily in Python, they addressed two critical bugs by refactoring the hashing_kv initialization logic to ensure consistent behavior across all operational modes, including hybrid configurations. Their approach involved aligning cache operations with the global_config settings, particularly respecting the enable_llm_cache flag to prevent unnecessary cache usage when disabled. This work, which leveraged skills in code optimization, caching, and LLM integration, improved system robustness and reduced runtime errors, laying a solid foundation for future feature development without introducing new user-facing changes during the period.