Independent companion loop (452f05d8) validated on .228: deleted archy-electrs-ui
recreates in ~10s (was stuck 100s+). Also: companion-survives bats does LOCAL
rm/systemctl --user, so running it from .116 via RPC tests .116's companions with
.116's binary, NOT the remote target — must run ON the target node. Explains the
'failed on both nodes' runs (both silently tested .116).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>