test(playwright): alarm-override trigger-config scenarios — HiLo merge, non-HiLo replace, validation, cancel, clear (T41)

tests/ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests/Cluster/CliRunner.Helpers.cs

@@ -104,10 +104,18 @@ public static partial class CliRunner
     /// Adds an alarm to a template via <c>template alarm add</c> (using the typed setpoint
     /// flags) and returns its new <c>id</c>. Throws on failure.
     /// </summary>
+    /// <remarks>
+    /// The HiLo setpoint flags (<paramref name="hi"/>/<paramref name="hiHi"/>/<paramref name="lo"/>/
+    /// <paramref name="loLo"/>) and the ValueMatch <paramref name="matchValue"/> are additive,
+    /// per-trigger-type selectors over the same <c>template alarm add</c> command — only the flags
+    /// relevant to <paramref name="triggerType"/> are emitted, the rest are skipped when null. This
+    /// lets one helper provision both the fixture's HiLo alarm and a ValueMatch alarm
+    /// (<c>--match-value</c>) without a parallel helper.
+    /// </remarks>
     public static async Task<int> AddAlarmAsync(
         int templateId, string name, string triggerType = "HiLo", int priority = 500,
         string? attribute = null, double? hi = null, double? hiHi = null,
-        double? lo = null, double? loLo = null)
+        double? lo = null, double? loLo = null, string? matchValue = null)
     {
         var inv = System.Globalization.CultureInfo.InvariantCulture;
         var args = new List<string>
@@ -123,6 +131,7 @@ public static partial class CliRunner
         if (hiHi.HasValue) { args.Add("--hihi"); args.Add(hiHi.Value.ToString(inv)); }
         if (lo.HasValue) { args.Add("--lo"); args.Add(lo.Value.ToString(inv)); }
         if (loLo.HasValue) { args.Add("--lolo"); args.Add(loLo.Value.ToString(inv)); }
+        if (matchValue is not null) { args.Add("--match-value"); args.Add(matchValue); }
 
         using var doc = await RunJsonAsync([.. args]);
         return RequireId(doc, "template alarm add");