review(Driver.AbCip.Cli): fix stale CLI-count + misleading --type help

Re-review at 7286d320. -009: 'four'->'six' driver-CLI count in Program.cs. -010: ReadCommand
--type help no longer lists Structure (rejected at runtime) + pinning test.

src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/Commands/ReadCommand.cs

@@ -23,7 +23,7 @@ public sealed class ReadCommand : AbCipCommandBase
     /// <summary>Gets the data type to read as.</summary>
     [CommandOption("type", Description =
         "Bool / SInt / Int / DInt / LInt / USInt / UInt / UDInt / ULInt / Real / LReal / " +
-        "String / Dt / Structure (default DInt).")]
+        "String / Dt (default DInt). UDT / composite types are not supported here — use a full driver config.")]
     public AbCipDataType DataType { get; init; } = AbCipDataType.DInt;
 
     /// <summary>Executes the read operation.</summary>

src/Drivers/Cli/ZB.MOM.WW.OtOpcUa.Driver.AbCip.Cli/Program.cs

@@ -6,6 +6,6 @@ return await new CliApplicationBuilder()
     .SetDescription(
         "OtOpcUa AB CIP test-client — ad-hoc probe + Logix symbolic reads/writes + polled " +
         "subscriptions against ControlLogix / CompactLogix / Micro800 / GuardLogix families " +
-        "via libplctag. Second of four driver CLIs; mirrors otopcua-modbus-cli's shape.")
+        "via libplctag. Second of six driver CLIs; mirrors otopcua-modbus-cli's shape.")
     .Build()
     .RunAsync(args);