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/Client/ZB.MOM.WW.OtOpcUa.Client.Shared/Models/RedundancyInfo.cs

@@ -5,6 +5,11 @@ namespace ZB.MOM.WW.OtOpcUa.Client.Shared.Models;
 /// </summary>
 public sealed class RedundancyInfo
 {
+    /// <summary>Initializes a new instance of the RedundancyInfo class.</summary>
+    /// <param name="mode">The redundancy mode (e.g., "None", "Cold", "Warm", "Hot").</param>
+    /// <param name="serviceLevel">The server's current service level (0-255).</param>
+    /// <param name="serverUris">URIs of all servers in the redundant set.</param>
+    /// <param name="applicationUri">The application URI of the connected server.</param>
     public RedundancyInfo(string mode, byte serviceLevel, string[] serverUris, string applicationUri)
     {
         Mode = mode;