diff --git a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.Error.g.cs b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.Error.g.cs
index 04c7920..d27ef48 100644
--- a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.Error.g.cs
+++ b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.Error.g.cs
@@ -66,5 +66,6 @@ public Error(
         public Error()
         {
         }
+
     }
 }
\ No newline at end of file
diff --git a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageData.g.cs b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageData.g.cs
index 7e64182..5288c98 100644
--- a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageData.g.cs
+++ b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageData.g.cs
@@ -57,5 +57,6 @@ public ImageData(
         public ImageData()
         {
         }
+
     }
 }
\ No newline at end of file
diff --git a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationRequest.g.cs b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationRequest.g.cs
index 1aa7b93..46d148f 100644
--- a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationRequest.g.cs
+++ b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationRequest.g.cs
@@ -123,5 +123,6 @@ public ImageGenerationRequest(
         public ImageGenerationRequest()
         {
         }
+
     }
 }
\ No newline at end of file
diff --git a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationResponse.g.cs b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationResponse.g.cs
index e3e8dbb..30f3441 100644
--- a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationResponse.g.cs
+++ b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.Models.ImageGenerationResponse.g.cs
@@ -57,5 +57,6 @@ public ImageGenerationResponse(
         public ImageGenerationResponse()
         {
         }
+
     }
 }
\ No newline at end of file
diff --git a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OneOf.2.g.cs b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OneOf.2.g.cs
index e8c30fd..5be8f71 100644
--- a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OneOf.2.g.cs
+++ b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OneOf.2.g.cs
@@ -38,6 +38,13 @@ public bool TryPickValue1(
             return IsValue1;
         }
 
+        /// <summary>
+        /// 
+        /// </summary>
+        public T1 PickValue1() => IsValue1
+            ? Value1!
+            : throw new global::System.InvalidOperationException($"Expected union variant 'Value1' but the value was {ToString()}.");
+
         /// <summary>
         /// 
         /// </summary>
@@ -67,6 +74,13 @@ public bool TryPickValue2(
             value = Value2;
             return IsValue2;
         }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public T2 PickValue2() => IsValue2
+            ? Value2!
+            : throw new global::System.InvalidOperationException($"Expected union variant 'Value2' but the value was {ToString()}.");
         /// <summary>
         /// 
         /// </summary>
diff --git a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OptionsSupport.g.cs b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OptionsSupport.g.cs
index 2000664..889d4a2 100644
--- a/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OptionsSupport.g.cs
+++ b/src/libs/BytePlusModelArk/Generated/BytePlusModelArk.OptionsSupport.g.cs
@@ -163,8 +163,24 @@ public sealed class AutoSDKAuthorizationProviderHook : global::BytePlusModelArk.
         {
             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::BytePlusModelArk.AutoSDKAuthorizationValue>? Authorizations { get; set; }
     }
 
     /// <summary>