Per-host Run-backup is gone — the host_chrome partial still
renders the button but it's hard-disabled with a tooltip
pointing to per-source-group Run-now. The smoke test was
clicking that disabled button and waiting forever for a URL
change that would never happen.
Replace the navigation-based dispatch with two API calls:
create a source group covering the agent's /source mount,
then POST to /api/hosts/{id}/source-groups/{gid}/run. The
backup-status assertion at the end is unchanged — host record
is still the source of truth.
steve
41def51977