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merge(deferred-10): aggregated live alarm stream for Alarm Summary

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Merges plan #10 (feat/live-alarm-stream) into main alongside plan #22.

Claude-Session: https://claude.ai/code/session_01MtdgwpEeCUn6cUA5f1LMPj
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Joseph Doherty
2026-07-10 13:01:04 -04:00
parent c9fa3b07f4 5078d25302
commit 8c888f13a0
36 changed files with 3327 additions and 53 deletions
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docs/plans/2026-07-08-deferred-work-register.md
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@@ -20,7 +20,6 @@ them and are removed from this table when that plan's task lands.
|---|------|-------------|------------------------|-----------------|
| 8 | Hash-chain tamper evidence (T1); CLI verify-chain is a no-op stub | audit-log roadmap :12 | v1.x by locked decision; append-only DB roles are the control | Compliance requirement for cryptographic tamper evidence |
| 9 | Parquet audit archival (T2); endpoint returns 501 | AuditEndpoints.cs:204 | v1.x; 501 + CLI messaging are honest | AuditLog partition volume nears retention ceiling |
| 10 | Aggregated live alarm stream for Alarm Summary | m7 design :252 | Snapshot fan-out acceptable at current instance counts | Alarm Summary latency complaints or >~50 instances/site |
| 11 | Central-persisted OPC UA cert-trust audit | m7 follow-ups | Broadcast-to-both-nodes covers HA | Governance/audit requirement for trust decisions |
| 12 | Native-alarm-source-override CSV import — **Central UI `InstanceConfigure` upload affordance only** (CLI + Management API + parser shipped 2026-07-10, see Resolved) | m7 follow-ups | CLI/API path closes the operator parity gap; the Blazor upload button is polish | First request to bulk-import native sources from the UI rather than the CLI |
| 17 | Unified notifications+site-calls outbox page | stillpending :118 | Explicit M9 decision to keep two pages | Operator confusion reports |
@@ -32,6 +31,7 @@ Rows removed from the Deferred table above once confirmed shipped. Kept here for
| # | Item | Resolution |
|---|------|-----------|
| 10 | Aggregated live alarm stream for Alarm Summary | Shipped 2026-07-10 (`docs/plans/2026-07-10-aggregated-live-alarm-stream-plan.md`): a **transient, in-memory** per-site central live alarm cache (`ISiteAlarmLiveCache`/`SiteAlarmLiveCacheService` + per-site `SiteAlarmAggregatorActor`) fed by a new site-wide, alarm-only `SubscribeSite` gRPC stream (`SiteStreamManager.SubscribeSiteAlarms`), seed-then-stream with dedup + NodeA↔NodeB re-seed + periodic reconcile. Alarm Summary is now live-cache-driven (`AlarmSummaryService.BuildFromLiveAlarms`) with the 15s poll retained as fallback + `NotReporting` authority. Honors the `[PERM]` no-central-store rule — nothing persisted (no EF table/migration). Options on `CommunicationOptions` (eagerly validated) + two `ScadaBridgeTelemetry` signals. |
| 7 | SecuredWrite audit rows leave SourceNode NULL | Resolved (PLAN-07): `ManagementActor.EmitSecuredWriteAuditAsync` routes through `ICentralAuditWriter`, which stamps `SourceNode` (`central-a`/`central-b`) from `INodeIdentityProvider`. |
| 12 (CLI/API) | Native-alarm-source-override CSV import | Shipped 2026-07-10: shared `CsvLineSplitter`, `NativeAlarmSourceOverrideCsvParser`, bulk all-or-nothing `SetInstanceNativeAlarmSourceOverridesCommand` + ManagementActor handler (Deployer-gated), CLI `instance native-alarm-source import --file`, parser/CLI/handler tests. **UI upload affordance still pending — see row 12 above.** |
| 13 | WaitForAttribute quality-gated ("Good"-only) mode | Already implemented (Commons `WaitForAttribute.RequireGoodQuality`, enforced in `InstanceActor`, threaded through `ScriptRuntimeContext`, tested in `InstanceActorWaitForAttributeTests`). Stale "planned enhancement" doc line corrected 2026-07-10. |