Worked on the leanprover/KLR repository to enhance the safety and reliability of memory management code, focusing on the allocation logic within the MemoryLocation structure. Addressed a type safety issue by refactoring the allocated field from an Option Bool to a plain Bool with a default value of false, ensuring consistent and predictable behavior throughout the memory model. This change simplified reasoning about allocation state, reduced ambiguity, and minimized potential bug surfaces in safety-critical code. Leveraged expertise in Lean, data structures, and type systems to improve code quality, emphasizing robust type safety and maintainability in the project’s core memory handling components.