Show HN: Cerulion – ROS 2-compatible robotics runtime with multi-process replay

Cerulion is an open-source, ROS 2-compatible robotics runtime that records robot operations, enables replay of failures against new code, and provides remote access to robots. The platform, backed by Y Combinator (S24), features zero-copy architecture and offers installation via multiple methods including curl, Homebrew, and APT package managers.