docs: backfill XML documentation across 756 files

Adds <summary>, <param>, <typeparam>, and <inheritdoc/> tags to public
members surfaced by commentchecker — resolves 5,847 of 5,869 issues
(99.6%) across three /fixdocs passes.

src/Server/ZB.MOM.WW.OtOpcUa.ControlPlane/AdminOperations/AdminOperationsActor.cs

@@ -21,11 +21,18 @@ public sealed class AdminOperationsActor : ReceiveActor
     private readonly IActorRef _coordinator;
     private readonly ILoggingAdapter _log = Context.GetLogger();
 
+    /// <summary>Creates actor props for the admin operations actor.</summary>
+    /// <param name="dbFactory">Factory for creating config database contexts.</param>
+    /// <param name="coordinator">Reference to the deployment coordinator actor.</param>
+    /// <returns>Props configured to create an AdminOperationsActor.</returns>
     public static Props Props(
         IDbContextFactory<OtOpcUaConfigDbContext> dbFactory,
         IActorRef coordinator) =>
         Akka.Actor.Props.Create(() => new AdminOperationsActor(dbFactory, coordinator));
 
+    /// <summary>Initializes a new instance of the AdminOperationsActor.</summary>
+    /// <param name="dbFactory">Factory for creating config database contexts.</param>
+    /// <param name="coordinator">Reference to the deployment coordinator actor.</param>
     public AdminOperationsActor(
         IDbContextFactory<OtOpcUaConfigDbContext> dbFactory,
         IActorRef coordinator)