docs+ui: backfill XML doc comments and finish dashboard layout pass

Adds missing <summary>/<param> XML docs across 99 server, worker, and test
files so CommentChecker reports zero issues (TreatWarningsAsErrors needs the
analyzer clean). Bundles in WIP dashboard work: NavSection extraction,
MainLayout/site.css/js styling alignment, and DashboardOptions/Auth tweaks.

src/ZB.MOM.WW.MxGateway.Worker.Tests/MxAccess/MxAccessComServerTests.cs

@@ -75,17 +75,24 @@ public sealed class MxAccessComServerTests
         private readonly int registerHandle;
         private readonly List<string> calls = new();
 
+        /// <summary>Initializes a new instance with the specified register handle.</summary>
+        /// <param name="registerHandle">The initial server handle value to return from Register.</param>
         public RecordingMxAccessServer(int registerHandle)
         {
             this.registerHandle = registerHandle;
         }
 
+        /// <summary>Gets the client name passed to the most recent Register call.</summary>
         public string? RegisteredClientName { get; private set; }
 
+        /// <summary>Gets or sets an exception to throw from the Register method.</summary>
         public Exception? ThrowOnRegister { get; set; }
 
+        /// <summary>Gets the recorded method calls as strings.</summary>
         public IReadOnlyList<string> Calls => calls.ToArray();
 
+        /// <summary>Records a Register call and returns the configured handle.</summary>
+        /// <param name="clientName">The client name to record.</param>
         public int Register(string clientName)
         {
             calls.Add($"Register:{clientName}");
@@ -98,58 +105,103 @@ public sealed class MxAccessComServerTests
             return registerHandle;
         }
 
+        /// <summary>Records an Unregister call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
         public void Unregister(int serverHandle)
         {
             calls.Add($"Unregister:{serverHandle}");
         }
 
+        /// <summary>Records an AddItem call and returns zero.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemDefinition">The item definition string to record.</param>
         public int AddItem(int serverHandle, string itemDefinition)
         {
             calls.Add($"AddItem:{serverHandle}:{itemDefinition}");
             return 0;
         }
 
+        /// <summary>Records an AddItem2 call and returns zero.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemDefinition">The item definition string to record.</param>
+        /// <param name="itemContext">The item context string to record.</param>
         public int AddItem2(int serverHandle, string itemDefinition, string itemContext)
         {
             calls.Add($"AddItem2:{serverHandle}:{itemDefinition}:{itemContext}");
             return 0;
         }
 
+        /// <summary>Records a RemoveItem call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
         public void RemoveItem(int serverHandle, int itemHandle)
         {
             calls.Add($"RemoveItem:{serverHandle}:{itemHandle}");
         }
 
+        /// <summary>Records an Advise call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
         public void Advise(int serverHandle, int itemHandle)
         {
             calls.Add($"Advise:{serverHandle}:{itemHandle}");
         }
 
+        /// <summary>Records an UnAdvise call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
         public void UnAdvise(int serverHandle, int itemHandle)
         {
             calls.Add($"UnAdvise:{serverHandle}:{itemHandle}");
         }
 
+        /// <summary>Records an AdviseSupervisory call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
         public void AdviseSupervisory(int serverHandle, int itemHandle)
         {
             calls.Add($"AdviseSupervisory:{serverHandle}:{itemHandle}");
         }
 
+        /// <summary>Records a Write call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
+        /// <param name="value">The value to write.</param>
+        /// <param name="userId">The user identifier.</param>
         public void Write(int serverHandle, int itemHandle, object? value, int userId)
         {
             calls.Add($"Write:{serverHandle}:{itemHandle}:{value}:{userId}");
         }
 
+        /// <summary>Records a Write2 call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
+        /// <param name="value">The value to write.</param>
+        /// <param name="timestamp">The timestamp value.</param>
+        /// <param name="userId">The user identifier.</param>
         public void Write2(int serverHandle, int itemHandle, object? value, object? timestamp, int userId)
         {
             calls.Add($"Write2:{serverHandle}:{itemHandle}:{value}:{timestamp}:{userId}");
         }
 
+        /// <summary>Records a WriteSecured call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
+        /// <param name="currentUserId">The current user identifier.</param>
+        /// <param name="verifierUserId">The verifier user identifier.</param>
+        /// <param name="value">The value to write.</param>
         public void WriteSecured(int serverHandle, int itemHandle, int currentUserId, int verifierUserId, object? value)
         {
             calls.Add($"WriteSecured:{serverHandle}:{itemHandle}:{currentUserId}:{verifierUserId}:{value}");
         }
 
+        /// <summary>Records a WriteSecured2 call.</summary>
+        /// <param name="serverHandle">The MXAccess server handle.</param>
+        /// <param name="itemHandle">The MXAccess item handle.</param>
+        /// <param name="currentUserId">The current user identifier.</param>
+        /// <param name="verifierUserId">The verifier user identifier.</param>
+        /// <param name="value">The value to write.</param>
+        /// <param name="timestamp">The timestamp value.</param>
         public void WriteSecured2(
             int serverHandle, int itemHandle, int currentUserId, int verifierUserId, object? value, object? timestamp)
         {