feat(auth): cut MxGateway dashboard LDAP over to ZB.MOM.WW.Auth.Ldap; roles via IGroupRoleMapper (Task 1.2/1.4)

src/ZB.MOM.WW.MxGateway.Server/Configuration/EffectiveLdapConfiguration.cs

@@ -4,8 +4,8 @@ public sealed record EffectiveLdapConfiguration(
     bool Enabled,
     string Server,
     int Port,
-    bool UseTls,
-    bool AllowInsecureLdap,
+    string Transport,
+    bool AllowInsecure,
     string SearchBase,
     string ServiceAccountDn,
     string ServiceAccountPassword,

src/ZB.MOM.WW.MxGateway.Server/Configuration/GatewayConfigurationProvider.cs

@@ -23,8 +23,8 @@ public sealed class GatewayConfigurationProvider(IOptions<GatewayOptions> option
                 Enabled: value.Ldap.Enabled,
                 Server: value.Ldap.Server,
                 Port: value.Ldap.Port,
-                UseTls: value.Ldap.UseTls,
-                AllowInsecureLdap: value.Ldap.AllowInsecureLdap,
+                Transport: value.Ldap.Transport.ToString(),
+                AllowInsecure: value.Ldap.AllowInsecure,
                 SearchBase: value.Ldap.SearchBase,
                 ServiceAccountDn: value.Ldap.ServiceAccountDn,
                 ServiceAccountPassword: RedactedValue,

src/ZB.MOM.WW.MxGateway.Server/Configuration/GatewayOptionsValidator.cs

@@ -1,3 +1,4 @@
+using ZB.MOM.WW.Auth.Abstractions.Ldap;
 using ZB.MOM.WW.Configuration;
 using ZB.MOM.WW.MxGateway.Contracts;
 
@@ -82,9 +83,9 @@ public sealed class GatewayOptionsValidator : OptionsValidatorBase<GatewayOption
             builder);
         builder.Port(options.Port, "MxGateway:Ldap:Port");
 
-        if (!options.UseTls && !options.AllowInsecureLdap)
+        if (options.Transport == LdapTransport.None && !options.AllowInsecure)
         {
-            builder.Add("MxGateway:Ldap:AllowInsecureLdap must be true when UseTls is false.");
+            builder.Add("MxGateway:Ldap:AllowInsecure must be true when Transport is None (plaintext).");
         }
     }
 

src/ZB.MOM.WW.MxGateway.Server/Configuration/LdapOptions.cs

@@ -1,3 +1,5 @@
+using ZB.MOM.WW.Auth.Abstractions.Ldap;
+
 namespace ZB.MOM.WW.MxGateway.Server.Configuration;
 
 public sealed class LdapOptions
@@ -11,11 +13,18 @@ public sealed class LdapOptions
     /// <summary>Gets the LDAP server port.</summary>
     public int Port { get; init; } = 3893;
 
-    /// <summary>Gets a value indicating whether TLS is required for the connection.</summary>
-    public bool UseTls { get; init; }
+    /// <summary>
+    /// Gets the transport/TLS mode for the LDAP connection. Replaces the former
+    /// boolean <c>UseTls</c> (true ≈ <see cref="LdapTransport.Ldaps"/>, false =
+    /// <see cref="LdapTransport.None"/>). <see cref="LdapTransport.StartTls"/> upgrades
+    /// a plaintext connection to TLS. Matches the shared
+    /// <see cref="ZB.MOM.WW.Auth.Abstractions.Ldap.LdapOptions.Transport"/> field so the
+    /// <c>MxGateway:Ldap</c> section binds straight onto the shared options.
+    /// </summary>
+    public LdapTransport Transport { get; init; } = LdapTransport.None;
 
-    /// <summary>Gets a value indicating whether insecure LDAP connections are allowed.</summary>
-    public bool AllowInsecureLdap { get; init; } = true;
+    /// <summary>Gets a value indicating whether insecure (plaintext) LDAP connections are allowed.</summary>
+    public bool AllowInsecure { get; init; } = true;
 
     /// <summary>Gets the LDAP search base distinguished name.</summary>
     public string SearchBase { get; init; } = "dc=lmxopcua,dc=local";