feat(scripts): ScriptAlarm.IsMesReportable + Alarms.MesReportableAsync() mirrored on both compile surfaces

Claude-Session: https://claude.ai/code/session_01Y5ef34iUUMjmwnMpL9xgmB

tests/ZB.MOM.WW.ScadaBridge.ScriptAnalysis.Tests/RoslynScriptCompilerTests.cs

@@ -56,6 +56,8 @@ public class RoslynScriptCompilerTests
             var scope = Scope;
             var currentAlarms = await Alarms.CurrentAsync();
             var viaInstance = await Instance.Alarms.CurrentAsync();
+            var mesReportable = await Alarms.MesReportableAsync();
+            var flaggedAlarms = mesReportable.Where(a => a.IsMesReportable).ToList();
             """;
 
         var diagnostics = RoslynScriptCompiler.Compile(code, typeof(ScriptCompileSurface));
@@ -101,7 +103,12 @@ public class RoslynScriptCompilerTests
                     AckComment = a.OperatorComment,
                 }).ToList();
 
-            return new { WasSuccessful = true, ErrorText = (string)null, Alarms = infos };
+            // The pre-filtered accessor + the configured flag are the supported shape for
+            // "which alarms does MES care about?" — both must bind at design time.
+            var r = await Alarms.MesReportableAsync();
+            var f = r.Where(a => a.IsMesReportable).ToList();
+
+            return new { WasSuccessful = true, ErrorText = (string)null, Alarms = infos, Flagged = f.Count };
             """;
 
         Assert.Empty(RoslynScriptCompiler.Compile(code, typeof(ScriptCompileSurface)));