feat(central-ui): process-wide single-flight cache for the pending-updates snapshot

Claude-Session: https://claude.ai/code/session_01Y5ef34iUUMjmwnMpL9xgmB
2026-09-14 13:52:54 -04:00
parent 0287f8f64f
commit ada91bb82c
4 changed files with 216 additions and 0 deletions
@@ -120,6 +120,10 @@ public static class ServiceCollectionExtensions
        // circuit for N dashboards to share a single SQL round per refresh window.
        services.AddSingleton<IKpiSnapshotCache, KpiSnapshotCache>();

+        // Same single-flight TTL shape as IKpiSnapshotCache, over the fleet-wide
+        // pending-updates flatten (IPendingUpdatesEvaluator) instead of the KPI Asks.
+        services.AddSingleton<IPendingUpdatesCache, PendingUpdatesCache>();
+
        // Secured Writes: dispatches the two-person secured-write commands
        // (submit / approve / reject / list) to the central ManagementActor through the
        // in-process ManagementActorHolder seam — the same Ask path the HTTP /management