OpcUaPublishActor now routes through pluggable seams instead of just
incrementing a counter:
- IOpcUaAddressSpaceSink (Commons.OpcUa) — WriteValue / WriteAlarmState
/ RebuildAddressSpace. OpcUaQuality enum moved here from the actor's
nested type so producers don't have to reference the actor itself.
- IServiceLevelPublisher — Publish(byte). NullServiceLevelPublisher
retains the last level for inspection.
- The actor subscribes to the redundancy-state DPS topic in PreStart
and maps the local node's NodeRedundancyState to a coarse
ServiceLevel (Primary+leader=240, Primary=200, Secondary=100,
Detached=0). This keeps the local SDK's ServiceLevel node honest
without round-tripping back through the admin-singleton calculator.
- ServiceLevelChanged dedupes identical levels so the SDK doesn't see
redundant writes.
- Sink + publisher exceptions are caught and logged; the actor never
crashes its own dispatcher.
- PropsForTests gets optional sink/publisher/localNode params and
skips the DPS subscribe so unit tests stay on a vanilla TestKit
cluster.
Production binding to a real SDK NodeManager + Variable nodes is the
remaining residual — split as F10b. Task 60 still blocked on F10b.
Tests: Runtime 40 -> 46 (+6):
- AttributeValueUpdate routes to sink
- AlarmStateUpdate routes to sink
- RebuildAddressSpace calls sink.Rebuild
- ServiceLevelChanged dedupes
- RedundancyStateChanged for primary-leader publishes 240
- RedundancyStateChanged for secondary publishes 100
All 6 v2 test suites green: 132 tests passing.
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