fix(review): calc ReadOne reports an inputs-Bad publish; VT inputs-bad counter ticks only on a real report

src/Server/ZB.MOM.WW.OtOpcUa.Runtime/VirtualTags/VirtualTagActor.cs

@@ -328,11 +328,14 @@ public sealed class VirtualTagActor : ReceiveActor
     /// <param name="timestampUtc">The triggering change's timestamp, stamped on the result.</param>
     private void OnInputsBad(uint worstInputStatus, DateTime timestampUtc)
     {
-        OtOpcUaTelemetry.VirtualTagEval.Add(1, new KeyValuePair<string, object?>("outcome", "inputs-bad"));
-
         if (!AllDependenciesArrived()) return;
         if (_hasPublished && _lastPublishedStatus == worstInputStatus) return;
 
+        // Metered BELOW both guards, so the counter measures tags that actually REPORT Bad inputs. Above
+        // them it also counted every warm-up trigger — a dependency that has simply not arrived yet — which
+        // is ordinary cold start, and burying the real signal in it is how a counter stops being trusted.
+        OtOpcUaTelemetry.VirtualTagEval.Add(1, new KeyValuePair<string, object?>("outcome", "inputs-bad"));
+
         _hasPublished = true;
         _lastPublishedStatus = worstInputStatus;
         Context.Parent.Tell(new EvaluationResult(