feat: Updated OpenAPI spec

src/libs/PlayHT/Generated/PlayHT.Models.CreateSpeechRequest.g.cs

@@ -108,5 +108,6 @@ public CreateSpeechRequest(
         public CreateSpeechRequest()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.CreateSpeechResponse.g.cs

@@ -66,5 +66,6 @@ public CreateSpeechResponse(
         public CreateSpeechResponse()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.ErrorResponse.g.cs

@@ -57,5 +57,6 @@ public ErrorResponse(
         public ErrorResponse()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.ListVoicesResponse.g.cs

@@ -39,6 +39,13 @@ public bool TryPickListVoicesResponseVariant1(
             return IsListVoicesResponseVariant1;
         }
 
+        /// <summary>
+        /// 
+        /// </summary>
+        public global::System.Collections.Generic.IList<global::PlayHT.Voice> PickListVoicesResponseVariant1() => IsListVoicesResponseVariant1
+            ? ListVoicesResponseVariant1!
+            : throw new global::System.InvalidOperationException($"Expected union variant 'ListVoicesResponseVariant1' but the value was {ToString()}.");
+
         /// <summary>
         /// 
         /// </summary>
@@ -68,6 +75,13 @@ public bool TryPickListVoicesResponseVariant2(
             value = ListVoicesResponseVariant2;
             return IsListVoicesResponseVariant2;
         }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public global::PlayHT.ListVoicesResponseVariant2 PickListVoicesResponseVariant2() => IsListVoicesResponseVariant2
+            ? ListVoicesResponseVariant2!
+            : throw new global::System.InvalidOperationException($"Expected union variant 'ListVoicesResponseVariant2' but the value was {ToString()}.");
         /// <summary>
         /// 
         /// </summary>

src/libs/PlayHT/Generated/PlayHT.Models.ListVoicesResponseVariant2.g.cs

@@ -39,5 +39,6 @@ public ListVoicesResponseVariant2(
         public ListVoicesResponseVariant2()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.SpeechJob.g.cs

@@ -75,5 +75,6 @@ public SpeechJob(
         public SpeechJob()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.SpeechJobOutput.g.cs

@@ -14,5 +14,6 @@ public sealed partial class SpeechJobOutput
         /// </summary>
         [global::System.Text.Json.Serialization.JsonExtensionData]
         public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.StreamSpeechRequest.g.cs

@@ -39,6 +39,13 @@ public bool TryPickCreate(
             return IsCreate;
         }
 
+        /// <summary>
+        /// 
+        /// </summary>
+        public global::PlayHT.CreateSpeechRequest PickCreate() => IsCreate
+            ? Create!
+            : throw new global::System.InvalidOperationException($"Expected union variant 'Create' but the value was {ToString()}.");
+
         /// <summary>
         /// 
         /// </summary>
@@ -68,6 +75,13 @@ public bool TryPickStreamSpeechRequestVariant2(
             value = StreamSpeechRequestVariant2;
             return IsStreamSpeechRequestVariant2;
         }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public global::PlayHT.StreamSpeechRequestVariant2 PickStreamSpeechRequestVariant2() => IsStreamSpeechRequestVariant2
+            ? StreamSpeechRequestVariant2!
+            : throw new global::System.InvalidOperationException($"Expected union variant 'StreamSpeechRequestVariant2' but the value was {ToString()}.");
         /// <summary>
         /// 
         /// </summary>

src/libs/PlayHT/Generated/PlayHT.Models.StreamSpeechRequestVariant2.g.cs

@@ -39,5 +39,6 @@ public StreamSpeechRequestVariant2(
         public StreamSpeechRequestVariant2()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.Voice.g.cs

@@ -111,5 +111,6 @@ public Voice(
         public Voice()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.WebSocketAuthResponse.g.cs

@@ -48,5 +48,6 @@ public WebSocketAuthResponse(
         public WebSocketAuthResponse()
         {
         }
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.Models.WebSocketAuthResponseWebSocketUrls.g.cs

@@ -14,5 +14,6 @@ public sealed partial class WebSocketAuthResponseWebSocketUrls
         /// </summary>
         [global::System.Text.Json.Serialization.JsonExtensionData]
         public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
     }
 }

src/libs/PlayHT/Generated/PlayHT.OptionsSupport.g.cs

@@ -163,8 +163,24 @@ public sealed class AutoSDKAuthorizationProviderHook : global::PlayHT.AutoSDKHoo
         {
             context = context ?? throw new global::System.ArgumentNullException(nameof(context));
 
+            if (context.Request == null)
+            {
+                return;
+            }
+
+            var perRequest = context.RequestOptions?.Authorizations;
+            if (perRequest != null && perRequest.Count > 0)
+            {
+                for (var index = 0; index < perRequest.Count; index++)
+                {
+                    ApplyAuthorization(context.Request, perRequest[index]);
+                }
+
+                return;
+            }
+
             var provider = context.ClientOptions?.AuthorizationProvider;
-            if (provider == null || context.Request == null)
+            if (provider == null)
             {
                 return;
             }
@@ -237,6 +253,15 @@ public sealed class AutoSDKRequestOptions
         /// Overrides response buffering for this request when set.
         /// </summary>
         public bool? ReadResponseAsString { get; set; }
+
+        /// <summary>
+        /// Optional per-request authorization values. When non-empty, the built-in
+        /// <see cref="AutoSDKAuthorizationProviderHook"/> applies these instead of consulting
+        /// <see cref="AutoSDKClientOptions.AuthorizationProvider"/> for this request only.
+        /// Useful for multi-tenant routing or "act-as" admin tooling that needs a different
+        /// credential per call without mutating shared client state.
+        /// </summary>
+        public global::System.Collections.Generic.IReadOnlyList<global::PlayHT.AutoSDKAuthorizationValue>? Authorizations { get; set; }
     }
 
     /// <summary>