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.Server/Galaxy/GalaxyGlobMatcher.cs

@@ -43,6 +43,9 @@ public static class GalaxyGlobMatcher
     /// </summary>
     internal static int CurrentCacheSize => RegexCache.Count;
 
+    /// <summary>Determines whether a value matches a glob pattern (with * and ? wildcards).</summary>
+    /// <param name="value">The value to test against the glob pattern.</param>
+    /// <param name="glob">The glob pattern with * and ? wildcards.</param>
     public static bool IsMatch(string value, string glob)
     {
         if (string.IsNullOrWhiteSpace(glob))

src/ZB.MOM.WW.MxGateway.Server/Galaxy/GalaxyHierarchyIndex.cs

@@ -14,17 +14,24 @@ public sealed class GalaxyHierarchyIndex
         TagsByAddress = tagsByAddress;
     }
 
+    /// <summary>Gets an empty Galaxy hierarchy index.</summary>
     public static GalaxyHierarchyIndex Empty { get; } = new(
         Array.Empty<GalaxyObjectView>(),
         new Dictionary<int, GalaxyObjectView>(),
         new Dictionary<string, GalaxyTagLookup>(StringComparer.OrdinalIgnoreCase));
 
+    /// <summary>Gets the object views.</summary>
     public IReadOnlyList<GalaxyObjectView> ObjectViews { get; }
 
+    /// <summary>Gets the object views indexed by GUID.</summary>
     public IReadOnlyDictionary<int, GalaxyObjectView> ObjectViewsById { get; }
 
+    /// <summary>Gets tags indexed by address.</summary>
     public IReadOnlyDictionary<string, GalaxyTagLookup> TagsByAddress { get; }
 
+    /// <summary>Builds a Galaxy hierarchy index from the given objects.</summary>
+    /// <param name="objects">The Galaxy objects to index.</param>
+    /// <returns>A new Galaxy hierarchy index.</returns>
     public static GalaxyHierarchyIndex Build(IReadOnlyList<GalaxyObject> objects)
     {
         if (objects.Count == 0)

src/ZB.MOM.WW.MxGateway.Server/Galaxy/GalaxyHierarchyProjector.cs

@@ -21,6 +21,10 @@ public static class GalaxyHierarchyProjector
     /// </summary>
     private static readonly ConditionalWeakTable<GalaxyHierarchyCacheEntry, ConcurrentDictionary<string, IReadOnlyList<GalaxyObjectView>>> FilteredViewCache = new();
 
+    /// <summary>Projects a discovery request against a cache entry and returns all matching objects.</summary>
+    /// <param name="entry">The Galaxy hierarchy cache entry.</param>
+    /// <param name="request">The discovery hierarchy request.</param>
+    /// <param name="browseSubtreeGlobs">Optional glob patterns to filter browse subtrees.</param>
     public static GalaxyHierarchyQueryResult Project(
         GalaxyHierarchyCacheEntry entry,
         DiscoverHierarchyRequest request,
@@ -34,6 +38,12 @@ public static class GalaxyHierarchyProjector
             pageSize: int.MaxValue);
     }
 
+    /// <summary>Projects a discovery request with paging against a cache entry and returns a page of matching objects.</summary>
+    /// <param name="entry">The Galaxy hierarchy cache entry.</param>
+    /// <param name="request">The discovery hierarchy request.</param>
+    /// <param name="browseSubtreeGlobs">Optional glob patterns to filter browse subtrees.</param>
+    /// <param name="offset">The zero-based offset into the result set.</param>
+    /// <param name="pageSize">The maximum number of results to return.</param>
     public static GalaxyHierarchyQueryResult Project(
         GalaxyHierarchyCacheEntry entry,
         DiscoverHierarchyRequest request,
@@ -118,6 +128,9 @@ public static class GalaxyHierarchyProjector
             (Views: views, Root: root, MaxDepth: maxDepth, BrowseSubtreeGlobs: browseSubtreeGlobs, Request: request));
     }
 
+    /// <summary>Finds an object in the hierarchy by its tag address.</summary>
+    /// <param name="entry">The Galaxy hierarchy cache entry.</param>
+    /// <param name="tagAddress">The tag address to search for.</param>
     public static GalaxyObject? FindObjectForTag(
         GalaxyHierarchyCacheEntry entry,
         string tagAddress)
@@ -132,6 +145,9 @@ public static class GalaxyHierarchyProjector
             : null;
     }
 
+    /// <summary>Finds an attribute in the hierarchy by its tag address.</summary>
+    /// <param name="entry">The Galaxy hierarchy cache entry.</param>
+    /// <param name="tagAddress">The tag address to search for.</param>
     public static GalaxyAttribute? FindAttributeForTag(
         GalaxyHierarchyCacheEntry entry,
         string tagAddress)
@@ -146,6 +162,9 @@ public static class GalaxyHierarchyProjector
             : null;
     }
 
+    /// <summary>Gets the contained path for an object by its gobject ID.</summary>
+    /// <param name="entry">The Galaxy hierarchy cache entry.</param>
+    /// <param name="gobjectId">The Galaxy object ID.</param>
     public static string GetContainedPath(
         GalaxyHierarchyCacheEntry entry,
         int gobjectId)
@@ -260,6 +279,9 @@ public static class GalaxyHierarchyProjector
         return clone;
     }
 
+    /// <summary>Computes a stable filter signature for memoization purposes.</summary>
+    /// <param name="request">The discovery hierarchy request.</param>
+    /// <param name="browseSubtreeGlobs">Optional glob patterns to filter browse subtrees.</param>
     public static string ComputeFilterSignature(
         DiscoverHierarchyRequest request,
         IReadOnlyList<string>? browseSubtreeGlobs)