Fix generated serialization name of partial_image_b64

Author: joseharriaga

specification/client/responses.client.tsp

@@ -85,8 +85,6 @@ using TypeSpec.HttpClient.CSharp;
 
 @@alternateType(ResponseMCPCallArgumentsDeltaEvent.delta, unknown);
 
-@@clientName(ResponseImageGenCallPartialImageEvent.partial_image_b64, "PartialImageBytes");
-
 // ------------ JsonPatch ------------
 
 // models.tsp

src/Custom/Responses/Streaming/StreamingResponseImageGenerationCallPartialImageUpdate.cs

@@ -1,7 +1,12 @@
-namespace OpenAI.Responses;
+using System;
+
+namespace OpenAI.Responses;
 
 // CUSTOM: Renamed.
 [CodeGenType("ResponseImageGenCallPartialImageEvent")]
 public partial class StreamingResponseImageGenerationCallPartialImageUpdate
 {
+    // CUSTOM: Renamed.
+    [CodeGenMember("PartialImageB64")]
+    public BinaryData PartialImageBytes { get; }
 }

src/Generated/Models/Responses/StreamingResponseImageGenerationCallPartialImageUpdate.Serialization.cs

@@ -55,9 +55,9 @@ protected override void JsonModelWriteCore(Utf8JsonWriter writer, ModelReaderWri
                 writer.WritePropertyName("partial_image_index"u8);
                 writer.WriteNumberValue(PartialImageIndex);
             }
-            if (!Patch.Contains("$.PartialImageBytes"u8))
+            if (!Patch.Contains("$.partial_image_b64"u8))
             {
-                writer.WritePropertyName("PartialImageBytes"u8);
+                writer.WritePropertyName("partial_image_b64"u8);
                 writer.WriteBase64StringValue(PartialImageBytes.ToArray(), "D");
             }
 
@@ -120,7 +120,7 @@ internal static StreamingResponseImageGenerationCallPartialImageUpdate Deseriali
                     partialImageIndex = prop.Value.GetInt32();
                     continue;
                 }
-                if (prop.NameEquals("PartialImageBytes"u8))
+                if (prop.NameEquals("partial_image_b64"u8))
                 {
                     partialImageBytes = BinaryData.FromBytes(prop.Value.GetBytesFromBase64("D"));
                     continue;

src/Generated/Models/Responses/StreamingResponseImageGenerationCallPartialImageUpdate.cs

@@ -34,7 +34,5 @@ internal StreamingResponseImageGenerationCallPartialImageUpdate(InternalResponse
         public string ItemId { get; }
 
         public int PartialImageIndex { get; }
-
-        public BinaryData PartialImageBytes { get; }
     }
 }

tspCodeModel.json

@@ -71863,7 +71863,7 @@
             {
               "$id": "5658",
               "kind": "property",
-              "name": "PartialImageBytes",
+              "name": "partial_image_b64",
               "doc": "Base64-encoded partial image data, suitable for rendering as an image.",
               "type": {
                 "$id": "5659",