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.Security/Ldap/LdapOptions.cs

@@ -9,9 +9,16 @@ public sealed class LdapOptions
 {
     public const string SectionName = "Authentication:Ldap";
 
+    /// <summary>Gets or sets a value indicating whether LDAP authentication is enabled.</summary>
     public bool Enabled { get; set; } = true;
+
+    /// <summary>Gets or sets the LDAP server hostname.</summary>
     public string Server { get; set; } = "localhost";
+
+    /// <summary>Gets or sets the LDAP server port.</summary>
     public int Port { get; set; } = 3893;
+
+    /// <summary>Gets or sets a value indicating whether to use TLS for LDAP connection.</summary>
     public bool UseTls { get; set; }
 
     /// <summary>Dev-only escape hatch — must be <c>false</c> in production.</summary>
@@ -24,6 +31,7 @@ public sealed class LdapOptions
     /// </summary>
     public bool DevStubMode { get; set; }
 
+    /// <summary>Gets or sets the LDAP search base DN.</summary>
     public string SearchBase { get; set; } = "dc=lmxopcua,dc=local";
 
     /// <summary>
@@ -31,9 +39,14 @@ public sealed class LdapOptions
     ///     <c>cn={user},{SearchBase}</c> is attempted.
     /// </summary>
     public string ServiceAccountDn { get; set; } = string.Empty;
+
+    /// <summary>Gets or sets the service account password for LDAP authentication.</summary>
     public string ServiceAccountPassword { get; set; } = string.Empty;
 
+    /// <summary>Gets or sets the LDAP attribute name for user display name.</summary>
     public string DisplayNameAttribute { get; set; } = "cn";
+
+    /// <summary>Gets or sets the LDAP attribute name for group membership.</summary>
     public string GroupAttribute { get; set; } = "memberOf";
 
     /// <summary>