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feat(server): route OPC UA Part 9 shelve methods to ScriptedAlarmEngine (#24)

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OneShotShelve / TimedShelve / Unshelve now reach the ScriptedAlarmEngine.
Scripted-alarm condition nodes get a ShelvedStateMachine subtree created
before alarm.Create so the stack wires each shelve method's dispatch
handler; AlarmConditionState.OnShelve / OnTimedUnshelve route to the
engine and mirror the result onto the OPC UA node via SetShelvingState.

The three per-instance shelve method NodeIds are indexed so the Call gate
resolves them to OpcUaOperation.AlarmShelve instead of falling through to
generic Call. Engine dispatch is split into the node-free InvokeEngineShelve
so the routing decision is unit-testable.

Adds 9 unit tests; updates phase-7-status.md Gap 1 (only AddComment remains
unwired) and the #24 entry in looseends.md.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Joseph Doherty
2026-05-18 09:31:30 -04:00
parent 56bb1ceaf5
commit c5915700bd
6 changed files with 421 additions and 33 deletions
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docs/v2/phase-7-status.md
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@@ -138,9 +138,9 @@ All three are verified closed in the 2026-04-23 exit-gate audit:
These are real open items, not issues with the plan reconciliation.
### Gap 1 — OPC UA method-call dispatch for scripted alarm Ack/Confirm/Shelve (Stream G / C.6)
### Gap 1 — OPC UA method-call dispatch for scripted alarm AddComment (Stream G / C.6)
`DriverNodeManager.MethodCall` does not route OPC UA `Acknowledge` / `Confirm` / `OneShotShelve` / `TimedShelve` / `Unshelve` / `AddComment` method invocations to the `ScriptedAlarmEngine`. Operators can acknowledge scripted alarms through the Admin UI today; OPC UA HMI clients expecting to use Part 9 method nodes directly cannot. Explicit in `phase-7-e2e-smoke.md` §"Known limitations".
`Acknowledge` / `Confirm` route to the `ScriptedAlarmEngine` via `DriverNodeManager.RouteScriptedAlarmMethodCalls` (task #24). `OneShotShelve` / `TimedShelve` / `Unshelve` route via the native `AlarmConditionState.OnShelve` / `OnTimedUnshelve` hooks wired in `MarkAsAlarmCondition` (task #24 follow-up); the per-instance shelve method NodeIds are indexed so the Call gate resolves them to `OpcUaOperation.AlarmShelve`. Only `AddComment` is still not wired to the OPC UA method path — the engine has `AddCommentAsync` but no Part 9 `AddComment` method node is dispatched to it.
### Gap 2 — Admin UI: no `/virtual-tags` tab or form (Stream F.2)