Worked on the ava-labs/coreth repository to address a critical memory-management issue in the Firewood database. Focused on improving memory lifecycle management, the developer fixed a bug where outstanding proposals were not properly dereferenced before the Close operation, which previously led to memory leaks in long-running nodes. By updating the Close method to explicitly dereference all child contexts within the proposal tree, the patch ensured that non-GC managed memory was correctly freed. This work, implemented in Go and leveraging skills in database operations and memory management, enhanced the stability and resource efficiency of the coreth subsystem without impacting performance.