fix(runtime): review findings — recursion-safe run cap, atomic detach counter, summary edge cases, per-row event-log fallback

tests/ZB.MOM.WW.ScadaBridge.SiteRuntime.Tests/Actors/ScriptDeadlineAtEnqueueTests.cs

@@ -85,7 +85,12 @@ public class ScriptDeadlineAtEnqueueTests : TestKit, IDisposable
         var lateOptions = new SiteRuntimeOptions
         {
             ScriptExecutionTimeoutSeconds = 1,
-            StuckScriptGraceMs = 1000
+            StuckScriptGraceMs = 1000,
+            // WP3.2 defaults per-run Started/Completed events OFF, which would make the
+            // "no started event" assertion below vacuously true whether the body ran or not.
+            // Opt back in so that assertion actually discriminates: a body that reached the
+            // run loop WOULD emit "started" here, and its absence is therefore evidence.
+            PerRunScriptEvents = true
         };
         var late = BuildScriptActor(
             "Late",
@@ -112,6 +117,8 @@ public class ScriptDeadlineAtEnqueueTests : TestKit, IDisposable
         {
             var rows = siteLog.OfType("script");
             // Timeout path only — no "started" Info event, because the body was skipped.
+            // Per-run events are ON for this script (see lateOptions), so this absence is a
+            // real signal rather than the global default.
             Assert.Contains(rows, r => r.Severity == "Error" && r.Message.Contains("timed out"));
             Assert.DoesNotContain(rows, r => r.Message.Contains("started", StringComparison.OrdinalIgnoreCase));
         }, TimeSpan.FromSeconds(5));