internal/

Package installer implements the `miru install` subcommand: a Bubble Tea driven, rich-UI installer that self-copies the running binary into INSTALL_DIR and (optionally) wires the user's shell rc PATH.

Package server runs a loopback HTTP server that re-renders Markdown (and neighbouring source files) on demand, so that relative links in the rendered HTML keep working when the user clicks through to another file in the same tree.