Phase 0 binding per PHASE0.md §9. M.readline(prompt) returns the line
as a Lua string (the C buffer is freed via libc free immediately after
ffi.string copies it) or nil on EOF. M.add_history skips empty lines.
Loader handles the case where libreadline-dev's unversioned
`libreadline.so` symlink isn't installed — falls through to
`readline.so.8` (current Debian/Arch ALARM) and `.so.7` (older)
before giving up. This trips on noether-the-LXD: only the runtime
package is present.
Smoke (stdin from heredoc, two lines + EOF):
p1> hello world -> "hello world"
p2> second line -> "second line"
p3> -> nil (EOF)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
marfrit
c9116c9bbf