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lmxopcua/tests
Joseph Doherty 7e22e2250c
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feat(runtime): #109 OpcUaPublishActor — load artifact, compose, plan-diff, apply
Closes the loop between F10b (SDK NodeManager) and F14 (Phase7Plan +
Phase7Applier). DriverHostActor's successful apply now triggers a
RebuildAddressSpace on the publish actor, which loads the latest
deployment artifact + walks composer → planner → applier through the
sink. The OPC UA address space tracks the deployed composition.

DeploymentArtifact:
  - New ParseComposition(blob) → Phase7CompositionResult that decodes
    Equipment + DriverInstance + ScriptedAlarm arrays into the
    projection records Phase7Planner consumes. Pascal-case property
    names mirror ConfigComposer.SnapshotAndFlattenAsync's output.
  - Each entity reader is tolerant: missing-id rows are dropped,
    natural-key sort matches Phase7Composer's contract.

OpcUaPublishActor:
  - New Props params: dbFactory + applier. When wired, RebuildAddressSpace
    does:
      1. LoadLatestArtifact (most recent Sealed Deployment.ArtifactBlob)
      2. ParseComposition → Phase7CompositionResult
      3. Phase7Planner.Compute(lastApplied, next) → Phase7Plan
      4. Empty plan ⇒ no-op (deploy of unchanged composition is benign)
      5. applier.Apply(plan) drives sink.RebuildAddressSpace +
         WriteAlarmState for removed nodes
      6. lastApplied = next so the next rebuild diffs forward
  - Without dbFactory/applier wiring, falls back to raw
    sink.RebuildAddressSpace — the dev/Mac path before #108 binds prod.

DriverHostActor:
  - New Props param opcUaPublishActor (IActorRef?). After successful
    ApplyAndAck (status Applied, ACK sent), tells the publish actor
    RebuildAddressSpace with the same correlation id so the audit trail
    threads through. Null publish actor ⇒ no trigger (admin-only nodes).

Tests: Runtime 63 -> 69 (+6):
- ParseComposition reads Equipment/Driver/Alarm sorted by natural key
- ParseComposition returns empty for empty blob
- Rebuild with dbFactory + sealed deployment artifact triggers exactly
  one sink.Rebuild call (Equipment topology added)
- Rebuild with no artifact is idempotent no-op
- Second rebuild with same composition is empty-plan no-op
- Rebuild without dbFactory falls back to raw sink.Rebuild (legacy path)

All 6 v2 test suites green: 173 tests passing.

Closes #109. Engine-wiring data flow is now end-to-end through:
  Deploy → DriverHostActor.ApplyAndAck → driver spawn + ACK +
    RebuildAddressSpace → OpcUaPublishActor → Phase7Applier → SDK
    NodeManager → subscribed OPC UA clients see the change.
2026-05-26 09:55:11 -04:00
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