Extends GET /api/journal/{name} to also accept the four hive infra
container names (hive-ci, hive-forge, hive-gateway, hive-matrix —
hive_priv_sock::InfraContainer is the allowlist), reusing the same
journalctl -M / hive-priv delegation path already used for agent
containers. Infra containers don't run the per-agent hive daemons, so
the unit filter is skipped for them — always the full machine journal.
Frontend: the AGENT tab's agent selector now lists infra containers
in a separate optgroup (sourced from /api/state's existing
infra_containers field), and disables the unit-filter select when one
is chosen.
Dashboard AGENT log tab sent unit=hive-ag3nt.service (the crate/dir
name) but the actual systemd unit is hive-agent.service, so every
fetch 400'd against the backend allow-list. Fixed the dropdown value
and, per the same issue's request, added the other per-agent daemons
(hive-mcp-http, hive-bash-daemon, hive-matrix-daemon) as selectable
units, plus hive-priv.service on the SYSTEM tab's host-daemon list.
Extended both backend allow-lists (post_journal / post_journal_host)
to match, and fixed a stale systemd.services.hive-ag3nt doc reference
in agent-hierarchy.md that had the same crate/unit-name confusion.
Split the priv-socket wire types (PrivRequest/PrivResponse/PrivEvent and
friends) out of hive-sh4re into their own hive-priv-sock crate, mirroring
the existing hive-host-sock split. hive-priv — the root-privileged
helper — now depends on just this narrow protocol crate instead of the
much larger daemon-shared crate, shrinking its dependency surface and
making the privsep boundary easier to audit. No server/client
implementation lives here, only the wire contract; hive-c0re still
depends on hive-sh4re directly for everything else.
