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Ettore Di Giacinto
b45076c5f7
Nothing in the tree publishes, subscribes, queue-subscribes or requests through
the MessagingClient interface any more, so it is deleted rather than shrunk to
Broadcaster: two exported names for one method set in one package is an
invitation for the next author to pick whichever the surrounding file already
imported.
$ grep -rn 'messaging\.MessagingClient' --include='*.go' .
core/services/syncstate/syncstate.go:54: // It is messaging.Broadcaster rather than messaging.MessagingClient because
(one hit, a comment; no live referent. The naive grep in the plan also matches
prose and the local test type names fakeMessagingClient and
countingMessagingClient, so it can never be empty.)
*messaging.Client is shrunk to exactly Broadcaster plus its own lifecycle.
QueueSubscribe, QueueSubscribeReply, SubscribeReply, Request, Conn and the
package helpers QueueSubscribeJSON and RequestJSON go with it; none had a
production caller. Deleting the methods rather than only the call sites is what
makes putting a family back on this carrier a build error instead of a line that
compiles, publishes successfully, and is delivered onto a carrier the deployment
is being taken off. Conn is in that list because while it existed every other
name was one c.Conn().X() away; the flush-and-verdict that its real consumers
needed is now ConfirmRoundTrip, which keeps the NATS JWT permission specs armed.
The client, its options and its TLS plumbing are NOT deleted, and both processes
stay on the bus. agent.<name>.cancel is the one fan-out family that could not
move: its only subscriber is the agent worker, which has no database and cannot
join the PostgreSQL carrier at all, so a cancel published there would reach no
worker and be reported as sent. The frontend passes the client to
newFanoutBridges as its cancelCarrier and the worker subscribes on it, so
--nats-url stays required on agent-worker. Both go with the tunnel cancel verb.
The struct field is renamed Nats -> CancelCarrier to say what it is for, and
agentpool loses the messaging.Publisher it held only to be non-nil: it never
published on it, and it was gating whether a frontend runs agents distributed or
in an in-process pool. Retiring the bus would have flipped every replica back to
the in-process pool silently. The gate now reads the agent store, which is the
dependency the mode actually requires.
Also deletes four subject builders with no production publisher
(SubjectFineTuneProgress, SubjectFineTuneCancel, SubjectCacheInvalidateSkills,
SubjectCacheInvalidateCollection), the queue and request/reply halves of the
shared test double, and the e2e specs that were their only callers. Every
surviving subject is now pinned to its exact literal, because a subject is a
cross-version wire format and a rename that looks internal stops half a fleet
hearing the other half.
Docs: distributed-mode.md and cli-reference.md no longer claim NATS carries the
agent-worker job subjects, the frontend's cross-replica events, or an agent
worker's real work.
Assisted-by: Claude Opus 5 [claude-code]
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>