diff --git a/src/libs/EigenAI/Generated/EigenAI.AutoSDKHttpResponse.g.cs b/src/libs/EigenAI/Generated/EigenAI.AutoSDKHttpResponse.g.cs
index 9edf84d..9ae4d97 100644
--- a/src/libs/EigenAI/Generated/EigenAI.AutoSDKHttpResponse.g.cs
+++ b/src/libs/EigenAI/Generated/EigenAI.AutoSDKHttpResponse.g.cs
@@ -164,9 +164,9 @@ public static class AutoSDKConditionalRequests
         {
             send = send ?? throw new global::System.ArgumentNullException(nameof(send));
             requestOptions = CloneRequestOptions(requestOptions);
-            if (!string.IsNullOrWhiteSpace(entityTag))
+            if (entityTag is { } nonEmptyEntityTag && !string.IsNullOrWhiteSpace(nonEmptyEntityTag))
             {
-                requestOptions.Headers["If-None-Match"] = entityTag!;
+                requestOptions.Headers["If-None-Match"] = nonEmptyEntityTag;
             }
 
             try
diff --git a/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImage.g.cs b/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImage.g.cs
index cf7f3f2..b142ad9 100644
--- a/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImage.g.cs
+++ b/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImage.g.cs
@@ -184,7 +184,7 @@ partial void ProcessGenerateImageResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: null,
                                 exception: null,
                                 clientOptions: Options,
@@ -218,7 +218,7 @@ partial void ProcessGenerateImageResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: null,
                                 exception: __exception,
                                 clientOptions: Options,
@@ -259,7 +259,7 @@ partial void ProcessGenerateImageResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -307,7 +307,7 @@ partial void ProcessGenerateImageResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -329,7 +329,7 @@ partial void ProcessGenerateImageResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
diff --git a/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImageAsBytes.g.cs b/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImageAsBytes.g.cs
index 3ee1593..b216f1a 100644
--- a/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImageAsBytes.g.cs
+++ b/src/libs/EigenAI/Generated/EigenAI.EigenAIClient.GenerateImageAsBytes.g.cs
@@ -184,7 +184,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: null,
                                 exception: null,
                                 clientOptions: Options,
@@ -218,7 +218,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: null,
                                 exception: __exception,
                                 clientOptions: Options,
@@ -259,7 +259,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -307,7 +307,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -329,7 +329,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -623,7 +623,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: null,
                                 exception: null,
                                 clientOptions: Options,
@@ -657,7 +657,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: null,
                                 exception: __exception,
                                 clientOptions: Options,
@@ -698,7 +698,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -746,7 +746,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,
@@ -768,7 +768,7 @@ partial void ProcessGenerateImageAsBytesResponseContent(
                                 pathTemplate: "\"/api/v1/generate\"",
                                 httpMethod: "POST",
                                 baseUri: BaseUri,
-                                request: __httpRequest!,
+                                request: __httpRequest ?? throw new global::System.InvalidOperationException("The HTTP request was not created before invoking a request hook."),
                                 response: __response,
                                 exception: null,
                                 clientOptions: Options,