fix(deployment): drop dead ITemplateGraphWatermark ctor param and no-op ClearMemos from StaleInstanceProbe (review 2026-10-21 04/U2)

tests/ZB.MOM.WW.ScadaBridge.DeploymentManager.Tests/DeploymentServiceTests.cs

@@ -717,16 +717,12 @@ public class DeploymentServiceTests : TestKit
     public async Task StaleInstanceProbe_RequestsValidateScriptsFalse()
     {
         // The Transport stale-instance probe also only needs the hash — same skip.
-        // The probe memoises per-instance against the graph watermark, so start
-        // from a clean memo or a sibling test's entry would satisfy the probe
-        // without a flatten at all.
-        StaleInstanceProbe.ClearMemos();
 
         _pipeline.CreateSession().Returns(_ => new FlattenSession(new TemplateGraphWatermark()));
         _pipeline.FlattenAndValidateAsync(5, Arg.Any<CancellationToken>(), Arg.Any<bool>(), Arg.Any<FlattenSession?>())
             .Returns(Result<FlatteningPipelineResult>.Success(
                 new FlatteningPipelineResult(new FlattenedConfiguration(), "sha256:probe", ValidationResult.Success())));
-        var probe = new StaleInstanceProbe(_pipeline, new TemplateGraphWatermark());
+        var probe = new StaleInstanceProbe(_pipeline);
 
         var hash = await probe.GetCurrentRevisionHashAsync(5);