Here's a patch proposing a new section on remote debugging with LLDB. This is probably to be merge *after* LLDB 12.0.0 (or equivalent) makes it into FreeBSD, llvm-project commit a8bfee2a356a2e70f854bf6d0b364798f4183795 would be the absolute minimal for reliable remote debugging IMHO.
Bug report: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251709