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/ConnectionInfo.cs

@@ -5,6 +5,13 @@ namespace ZB.MOM.WW.OtOpcUa.Client.Shared.Models;
 /// </summary>
 public sealed class ConnectionInfo
 {
+    /// <summary>Initializes a new instance of the ConnectionInfo with session details.</summary>
+    /// <param name="endpointUrl">The endpoint URL of the connected server.</param>
+    /// <param name="serverName">The server application name.</param>
+    /// <param name="securityMode">The security mode in use.</param>
+    /// <param name="securityPolicyUri">The security policy URI.</param>
+    /// <param name="sessionId">The session identifier.</param>
+    /// <param name="sessionName">The session name.</param>
     public ConnectionInfo(
         string endpointUrl,
         string serverName,