feat(mtconnect): parse the write.enabled config block

src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.MTConnect/MTConnectDriver.cs

@@ -2276,6 +2276,13 @@ public sealed class MTConnectDriver : IDriver, IReadable, ISubscribable, ITagDis
                 MaxBackoffMs = dto.Reconnect?.MaxBackoffMs ?? 30_000,
                 BackoffMultiplier = dto.Reconnect?.BackoffMultiplier ?? 2.0,
             },
+
+            // Absent block == disabled: write-back is opt-in, and the agent's own AllowPut has to be
+            // on as well, so neither layer can arm the other by omission.
+            Write = new MTConnectWriteOptions
+            {
+                Enabled = dto.Write?.Enabled ?? false,
+            },
         };
     }
 
@@ -3272,6 +3279,7 @@ public sealed class MTConnectDriver : IDriver, IReadable, ISubscribable, ITagDis
         public List<RawTagEntry>? RawTags { get; init; }
         public MTConnectProbeDto? Probe { get; init; }
         public MTConnectReconnectDto? Reconnect { get; init; }
+        public MTConnectWriteDto? Write { get; init; }
     }
 
     /// <summary>
@@ -3347,4 +3355,10 @@ public sealed class MTConnectDriver : IDriver, IReadable, ISubscribable, ITagDis
         public int? MaxBackoffMs { get; init; }
         public double? BackoffMultiplier { get; init; }
     }
+
+    /// <summary>Write-back knobs — the driver-side half of the two-layer opt-in on observation injection.</summary>
+    private sealed class MTConnectWriteDto
+    {
+        public bool? Enabled { get; init; }
+    }
 }