Another relevant language might be Vale (https://vale.dev https://vale.dev), which is aiming for "perfect replayability": https://verdagon.dev/blog/perfect-repl

Another relevant language might be Vale (https://vale.dev https://vale.dev), which is aiming for "perfect replayability": https://verdagon.dev/blog/perfect-replayability-prototyped https://verdagon.dev/blog/perfect-replayability-prototyped