Auto: s7-c2 — TSAP / Connection Type selector

Closes #295

src/ZB.MOM.WW.OtOpcUa.Driver.S7/S7DriverFactoryExtensions.cs

@@ -53,6 +53,10 @@ public static class S7DriverFactoryExtensions
                 Timeout = TimeSpan.FromMilliseconds(dto.Probe?.TimeoutMs ?? 2_000),
                 ProbeAddress = dto.Probe?.ProbeAddress ?? "MW0",
             },
+            TsapMode = ParseEnum<TsapMode>(dto.TsapMode, driverInstanceId, "TsapMode",
+                fallback: TsapMode.Auto),
+            LocalTsap = dto.LocalTsap,
+            RemoteTsap = dto.RemoteTsap,
         };
 
         return new S7Driver(options, driverInstanceId);
@@ -103,6 +107,21 @@ public static class S7DriverFactoryExtensions
         public int? TimeoutMs { get; init; }
         public List<S7TagDto>? Tags { get; init; }
         public S7ProbeDto? Probe { get; init; }
+
+        /// <summary>
+        ///     Optional connection-class selector — one of <c>Auto</c> (default),
+        ///     <c>Pg</c>, <c>Op</c>, <c>S7Basic</c>, <c>Other</c>. When omitted the driver
+        ///     keeps the existing <c>Auto</c> behaviour (S7netplus picks the TSAP pair
+        ///     from <see cref="CpuType"/>). See <c>docs/v2/s7.md</c> "TSAP / Connection
+        ///     Type" section.
+        /// </summary>
+        public string? TsapMode { get; init; }
+
+        /// <summary>Optional 16-bit local TSAP override. Required (with <see cref="RemoteTsap"/>) when <c>TsapMode = Other</c>.</summary>
+        public ushort? LocalTsap { get; init; }
+
+        /// <summary>Optional 16-bit remote TSAP override. Required (with <see cref="LocalTsap"/>) when <c>TsapMode = Other</c>.</summary>
+        public ushort? RemoteTsap { get; init; }
     }
 
     internal sealed class S7TagDto