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.Runtime/Drivers/DriverInstanceActor.cs

@@ -59,8 +59,17 @@ public sealed class DriverInstanceActor : ReceiveActor, IWithTimers
     private ISubscriptionHandle? _subscriptionHandle;
     private EventHandler<DataChangeEventArgs>? _dataChangeHandler;
 
+    /// <summary>
+    /// Gets or sets the timer scheduler for scheduling reconnection attempts.
+    /// </summary>
     public ITimerScheduler Timers { get; set; } = null!;
 
+    /// <summary>
+    /// Creates a Props object for instantiating a <see cref="DriverInstanceActor"/>.
+    /// </summary>
+    /// <param name="driver">The driver instance to wrap.</param>
+    /// <param name="reconnectInterval">Optional interval for reconnection attempts; defaults to 10 seconds.</param>
+    /// <param name="startStubbed">If true, the actor starts in stub mode for testing or unavailable platforms.</param>
     public static Props Props(IDriver driver, TimeSpan? reconnectInterval = null, bool startStubbed = false) =>
         Akka.Actor.Props.Create(() => new DriverInstanceActor(driver, reconnectInterval ?? DefaultReconnectInterval, startStubbed));
 
@@ -76,6 +85,8 @@ public sealed class DriverInstanceActor : ReceiveActor, IWithTimers
     /// The v2 <c>"GalaxyMxGateway"</c> driver talks gRPC to an external mxaccessgw process,
     /// so it runs on any platform .NET 10 supports — Linux containers included. Not stubbed.
     /// </summary>
+    /// <param name="driverType">The type identifier of the driver.</param>
+    /// <param name="roles">Operational roles configured for this instance.</param>
     public static bool ShouldStub(string driverType, IEnumerable<string> roles)
     {
         var isWindowsOnly = driverType is "Galaxy" or "Historian.Wonderware";
@@ -84,6 +95,12 @@ public sealed class DriverInstanceActor : ReceiveActor, IWithTimers
         return false;
     }
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DriverInstanceActor"/> class.
+    /// </summary>
+    /// <param name="driver">The driver instance to wrap and manage.</param>
+    /// <param name="reconnectInterval">Interval between reconnection attempts.</param>
+    /// <param name="startStubbed">If true, start in stub mode for testing or unavailable platforms.</param>
     public DriverInstanceActor(IDriver driver, TimeSpan reconnectInterval, bool startStubbed = false)
     {
         _driver = driver;
@@ -319,6 +336,7 @@ public sealed class DriverInstanceActor : ReceiveActor, IWithTimers
 
     private static bool IsGoodStatus(uint statusCode) => (statusCode >> 30) == 0;
 
+    /// <inheritdoc />
     protected override void PostStop()
     {
         DetachSubscription();