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

src/ZB.MOM.WW.ScadaBridge.DeploymentManager/StaleInstanceProbe.cs

@@ -1,21 +1,19 @@
-using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Services;
 using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Transport;
 
 namespace ZB.MOM.WW.ScadaBridge.DeploymentManager;
 
 /// <summary>Recomputes deployment revisions from authoritative configuration on every probe.
-/// Process-local watermarks cannot prove freshness after another central changes the shared store.</summary>
+/// Process-local watermarks cannot prove freshness after another central changes the shared store,
+/// so nothing is memoised across calls.</summary>
 public sealed class StaleInstanceProbe : IStaleInstanceProbe
 {
     private readonly IFlatteningPipeline _flatteningPipeline;
 
-    /// <summary>Initializes the authoritative probe. Watermark remains a constructor compatibility dependency.</summary>
+    /// <summary>Initializes the authoritative probe.</summary>
     /// <param name="flatteningPipeline">The pipeline used to flatten instances for staleness comparison.</param>
-    /// <param name="watermark">The template graph watermark; retained only for constructor compatibility.</param>
-    public StaleInstanceProbe(IFlatteningPipeline flatteningPipeline, ITemplateGraphWatermark watermark)
+    public StaleInstanceProbe(IFlatteningPipeline flatteningPipeline)
     {
         _flatteningPipeline = flatteningPipeline ?? throw new ArgumentNullException(nameof(flatteningPipeline));
-        ArgumentNullException.ThrowIfNull(watermark);
     }
 
     /// <inheritdoc />
@@ -26,7 +24,4 @@ public sealed class StaleInstanceProbe : IStaleInstanceProbe
             validateScripts: false, session).ConfigureAwait(false);
         return result.IsSuccess ? result.Value.RevisionHash : null;
     }
-
-    /// <summary>Compatibility hook: probes no longer retain process-global results.</summary>
-    public static void ClearMemos() { }
 }