Expose the existing versioned JSON-lines dispatcher over TCP, with an enforced IPv4/IPv6 loopback-only bind, bounded nonblocking client handling, request and response size limits, and a shared single-threaded image. Add a serve-network mise task, subprocess coverage, and document the unauthenticated trusted-local-development boundary.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>