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

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

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/ScriptAnalysis/ScriptAnalysisServiceTests.cs

@@ -819,7 +819,9 @@ public class ScriptAnalysisServiceTests
             "        AckDT = a.AckTime,\n" +
             "        AckComment = a.OperatorComment })\n" +
             "    .ToList();\n" +
-            "return new { WasSuccessful = true, Alarms = rows };";
+            "var r = await Alarms.MesReportableAsync();\n" +
+            "var f = r.Where(a => a.IsMesReportable).ToList();\n" +
+            "return new { WasSuccessful = true, Alarms = rows, Flagged = f.Count };";
         var resp = _svc.Diagnose(new DiagnoseRequest(code));
 
         Assert.DoesNotContain(resp.Markers, m => m.Code.StartsWith("CS"));