Corrects a fact this index recorded two days ago as consumer-relevant to
ScadaBridge. "IRediscoverable is inert fleet-wide" no longer holds: it is
consumed as an operator re-browse prompt on /hosts, carried on
DriverHealthChanged. The consumer-facing conclusion is unchanged and worth
keeping explicit — the served address space still only changes on a config
redeploy, because the prompt is advisory by design.
Gitea #507 (discovered-node injection) is closed as superseded and its code
deleted; it read two structures that are structurally empty in v3, so it could
never have injected anything. #521 tracks the still-unconsumed
IHostConnectivityProbe.
Adds the remediation status for the deferment register (branch
feat/deferment-remediation, tip 88ce8df0, unmerged). One item there is
operationally visible beyond OtOpcUa: #516 makes a changed DriverConfig
stop+respawn the driver rather than an in-place delta, so a config edit now
costs a driver reconnect — previously five drivers ignored the edit entirely
while the deployment still sealed green.
Corrects four stale claims about OtOpcUa and adds two consumer-relevant facts,
all source-verified against the OtOpcUa repo (not its docs):
* "Phases 0a..6 done, 7 not started" -> PROGRAM COMPLETE. Phase 7 merged
c50ebcf7 (6/6 failover drills) + bootstrap guard d1dac87f, both on master
and pushed 2026-07-24.
* The auto-down 1-vs-1 crash-the-oldest live gate is no longer "still open" /
"deferred to Phase 7" — Phase 7 drill D4 closed it; every survivor stayed
Up without self-downing.
* Phase 6's live gate was NOT "deferred by owner choice" — it ran and caught
three fix-forward defects, including a boot-crash StackOverflow on every
node (IClusterRoleInfo resolved inside the AddAkka configurator while the
ActorSystem was still building).
* Records the MAIN-only manual-failover constraint and the default-OFF
bootstrap guard's founder-election shape.
Adds OtOpcUa/deferment.md (e08855fb) and its two ScadaBridge-relevant entries:
* Node ACLs are authored, shipped in every artifact, and NOT ENFORCED — the
evaluator subsystem has zero production consumers and OtOpcUaNodeManager
never references it. Reads are ungated; authored deny rules have no effect.
Do not assume OtOpcUa filters an address space per-user.
* IRediscoverable is inert fleet-wide (#518/#507) — nine drivers raise it,
nothing consumes it, so a Galaxy redeploy / PLC re-download / Agent restart
does not change the served address space without a config redeploy.
Sister projects are told to update their entry here whenever an indexed fact
changes, but that edit lands in this repo's own checkout — so a naive commit
writes it onto whatever branch scadaproj happens to be on. Observed 2026-07-27:
the OtOpcUa Sql driver's entry sat unpushed on feat/overview-dashboard for three
days, and the Mqtt entry was about to join it.
Records the procedure (stash, main, push, restore) and says to cherry-pick
stranded index commits rather than merge the branch they are stuck on.
Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
The OtOpcUa entry's driver set changed, so the index has to change with it
(OtOpcUa CLAUDE.md's cross-repo rule).
A read-only `Mqtt` broker-subscribe driver landed with two ingest shapes over
one MQTTnet-5 client: Plain binds a tag to a concrete topic, SparkplugB decodes
vendored Eclipse-Tahu protobuf under a single spBv1.0/{groupId}/# subscription
and binds by the group/edgeNode/device?/metric tuple (birth/alias/seq-gap/
rebirth state machine, death→STALE, a birth-driven browse picker with a scoped
Request-rebirth NCMD). Write-through is deferred — every MQTT node is read-only.
Live-gated on docker-dev against a Mosquitto TLS+auth broker plus a
project-owned C# Sparkplug edge-node simulator on 10.100.0.35:8883.
Recorded as **on branch feat/mqtt-sparkplug-driver, not yet merged to master**,
so the index does not overstate what is on OtOpcUa's default branch — unlike the
Sql DB-poll driver next to it, which is merged.
Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
OtOpcUa merged a read-only Sql Equipment-kind driver to master 2026-07-24
(polls SQL Server → OPC UA variables; connectionStringRef env resolution,
schema-walk address picker, live /run gate passed on docker-dev). Keep the
umbrella index's OtOpcUa driver enumeration in sync per the propagation rule.
Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
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Joseph Doherty