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/Coordinators/ConfigPublishCoordinator.cs

@@ -35,13 +35,22 @@ public sealed class ConfigPublishCoordinator : ReceiveActor, IWithTimers
     private DeploymentId? _current;
     private HashSet<NodeId> _expectedAcks = new();
 
+    /// <summary>Gets the timer scheduler for managing apply deadlines.</summary>
     public ITimerScheduler Timers { get; set; } = null!;
 
+    /// <summary>Creates actor props for the ConfigPublishCoordinator with the specified configuration.</summary>
+    /// <param name="dbFactory">The database context factory for accessing configuration data.</param>
+    /// <param name="applyDeadline">The timeout for waiting for apply acknowledgments from cluster nodes.</param>
     public static Props Props(
         IDbContextFactory<OtOpcUaConfigDbContext> dbFactory,
         TimeSpan? applyDeadline = null) =>
         Akka.Actor.Props.Create(() => new ConfigPublishCoordinator(dbFactory, applyDeadline ?? DefaultApplyDeadline));
 
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="ConfigPublishCoordinator"/> class.
+    /// </summary>
+    /// <param name="dbFactory">The database context factory for persisting deployment state.</param>
+    /// <param name="applyDeadline">The timeout for waiting for per-node apply acknowledgments.</param>
     public ConfigPublishCoordinator(
         IDbContextFactory<OtOpcUaConfigDbContext> dbFactory,
         TimeSpan applyDeadline)
@@ -59,6 +68,7 @@ public sealed class ConfigPublishCoordinator : ReceiveActor, IWithTimers
     /// died. We re-derive <c>_expectedAcks</c> from <c>NodeDeploymentState</c>, replay the ACKs
     /// that already landed in the DB, and resume the deadline timer.
     /// </summary>
+    /// <inheritdoc />
     protected override void PreStart()
     {
         // Subscribe to per-node ApplyAck broadcasts so DriverHostActors on remote members can