feat(runtime): audit refs still BadNoCommunication after a reconnect (dedup-trap tripwire)

src/Core/ZB.MOM.WW.OtOpcUa.Commons/Observability/OtOpcUaTelemetry.cs

@@ -106,6 +106,15 @@ public static class OtOpcUaTelemetry
 
     /// <summary>Inbound operations denied by the Primary data-plane gate (archreview 03/S4) —
     /// site=write|ack|alarm-emit, reason=secondary|detached|role-unknown.</summary>
+    /// <summary>Archreview 03/S15 — tag refs a driver left <c>BadNoCommunication</c> after it reconnected:
+    /// the host marked them Bad on the outage, and the driver never re-published them. Non-zero means a
+    /// driver that reconnects without a full re-publish (a push driver missing its initial push, or a
+    /// value-only dedup swallowing an unchanged value), which leaves those nodes Bad indefinitely.
+    /// Tagged driver + driver_type.</summary>
+    public static readonly Counter<long> DriverCommsLatchedRefs =
+        Meter.CreateCounter<long>("otopcua.driver.comms_latched_refs", unit: "{ref}",
+            description: "Refs still BadNoCommunication after their driver reconnected (driver, driver_type).");
+
     public static readonly Counter<long> PrimaryGateDenied =
         Meter.CreateCounter<long>("otopcua.redundancy.primary_gate_denied", unit: "{denial}",
             description: "Operations denied by the Primary gate (site=write|ack|alarm-emit, reason=secondary|detached|role-unknown).");