fix: Fixed RunStepObject deserialization issue.

Author: HavenDV

src/helpers/FixOpenApiSpec/Program.cs

@@ -28,6 +28,9 @@
 openApiDocument.Components.Schemas["MessageObject"]!.Required.Remove("completed_at");
 openApiDocument.Components.Schemas["MessageObject"]!.Required.Remove("incomplete_at");
 
+openApiDocument.Components.Schemas["RunStepObject"]!.Required.Remove("expired_at");
+openApiDocument.Components.Schemas["RunStepObject"]!.Required.Remove("metadata");
+
 openApiDocument.Paths["/files/{file_id}/content"]!.Operations[OperationType.Get].Responses["200"]!.Content.Remove("application/json");
 openApiDocument.Paths["/files/{file_id}/content"]!.Operations[OperationType.Get].Responses["200"]!.Content.Add(
     "application/octet-stream",

src/libs/OpenAI/Generated/OpenAI.Models.RunStepObject.g.cs

@@ -89,8 +89,7 @@ public sealed partial class RunStepObject
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("expired_at")]
         [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
-        [global::System.Text.Json.Serialization.JsonRequired]
-        public required global::System.DateTimeOffset? ExpiredAt { get; set; }
+        public global::System.DateTimeOffset? ExpiredAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the run step was cancelled.
@@ -120,8 +119,7 @@ public sealed partial class RunStepObject
         /// Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maxium of 512 characters long.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("metadata")]
-        [global::System.Text.Json.Serialization.JsonRequired]
-        public required global::OpenAI.RunStepObjectMetadata? Metadata { get; set; }
+        public global::OpenAI.RunStepObjectMetadata? Metadata { get; set; }
 
         /// <summary>
         /// Usage statistics related to the run step. This value will be `null` while the run step's status is `in_progress`.

src/libs/OpenAI/openapi.yaml

@@ -8299,11 +8299,9 @@ components:
         - status
         - step_details
         - last_error
-        - expired_at
         - cancelled_at
         - failed_at
         - completed_at
-        - metadata
         - usage
       type: object
       properties: