diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetAgentVersions.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetAgentVersions.g.cs
index 5081ef8..0262c3c 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetAgentVersions.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetAgentVersions.g.cs
@@ -261,7 +261,7 @@ partial void ProcessGetAgentVersionsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.AgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -292,7 +292,7 @@ partial void ProcessGetAgentVersionsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.AgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetChatAgentVersions.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetChatAgentVersions.g.cs
index b45b891..7d153dc 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetChatAgentVersions.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetChatAgentVersions.g.cs
@@ -223,7 +223,7 @@ partial void ProcessGetChatAgentVersionsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -254,7 +254,7 @@ partial void ProcessGetChatAgentVersionsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetMCPTools.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetMCPTools.g.cs
index 3a6fb54..31d7018 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetMCPTools.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.GetMCPTools.g.cs
@@ -290,7 +290,7 @@ partial void ProcessGetMCPToolsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -321,7 +321,7 @@ partial void ProcessGetMCPToolsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.MCPToolDefinition>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListAgents.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListAgents.g.cs
index 8e18b49..c37bfd2 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListAgents.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListAgents.g.cs
@@ -206,7 +206,7 @@ partial void ProcessListAgentsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.AgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -237,7 +237,7 @@ partial void ProcessListAgentsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.AgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.AgentResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListBatchTests.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListBatchTests.g.cs
index 4ae501c..4276c2d 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListBatchTests.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListBatchTests.g.cs
@@ -283,7 +283,7 @@ partial void ProcessListBatchTestsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -314,7 +314,7 @@ partial void ProcessListBatchTestsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseBatchJob>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListCalls.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListCalls.g.cs
index 114e50e..0532224 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListCalls.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListCalls.g.cs
@@ -230,7 +230,7 @@ partial void ProcessListCallsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -261,7 +261,7 @@ partial void ProcessListCallsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.V2CallResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChat.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChat.g.cs
index d684944..31c69cc 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChat.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChat.g.cs
@@ -204,7 +204,7 @@ partial void ProcessListChatResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.ChatResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ChatResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -235,7 +235,7 @@ partial void ProcessListChatResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.ChatResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ChatResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChatAgents.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChatAgents.g.cs
index 2deb74e..6e7bc05 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChatAgents.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListChatAgents.g.cs
@@ -206,7 +206,7 @@ partial void ProcessListChatAgentsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -237,7 +237,7 @@ partial void ProcessListChatAgentsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ChatAgentResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlowComponents.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlowComponents.g.cs
index 00b39a8..2c9582f 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlowComponents.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlowComponents.g.cs
@@ -253,7 +253,7 @@ partial void ProcessListConversationFlowComponentsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -284,7 +284,7 @@ partial void ProcessListConversationFlowComponentsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowComponentResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlows.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlows.g.cs
index 4b2da82..2748d51 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlows.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListConversationFlows.g.cs
@@ -278,7 +278,7 @@ partial void ProcessListConversationFlowsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -309,7 +309,7 @@ partial void ProcessListConversationFlowsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.ConversationFlowResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListKnowledgeBases.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListKnowledgeBases.g.cs
index ed4e836..ba9d475 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListKnowledgeBases.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListKnowledgeBases.g.cs
@@ -215,7 +215,7 @@ partial void ProcessListKnowledgeBasesResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -246,7 +246,7 @@ partial void ProcessListKnowledgeBasesResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.KnowledgeBaseResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListPhoneNumbers.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListPhoneNumbers.g.cs
index 8763dbf..18cd6d7 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListPhoneNumbers.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListPhoneNumbers.g.cs
@@ -177,7 +177,7 @@ partial void ProcessListPhoneNumbersResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -208,7 +208,7 @@ partial void ProcessListPhoneNumbersResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.PhoneNumberResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListRetellLLM.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListRetellLLM.g.cs
index 0f44818..1b0c5f5 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListRetellLLM.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListRetellLLM.g.cs
@@ -206,7 +206,7 @@ partial void ProcessListRetellLLMResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -237,7 +237,7 @@ partial void ProcessListRetellLLMResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.RetellLLMResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestCaseDefinitions.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestCaseDefinitions.g.cs
index 5f8ca0e..afe806e 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestCaseDefinitions.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestCaseDefinitions.g.cs
@@ -283,7 +283,7 @@ partial void ProcessListTestCaseDefinitionsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -314,7 +314,7 @@ partial void ProcessListTestCaseDefinitionsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseDefinition>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestRuns.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestRuns.g.cs
index b8a663f..3066bd4 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestRuns.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListTestRuns.g.cs
@@ -297,7 +297,7 @@ partial void ProcessListTestRunsResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -328,7 +328,7 @@ partial void ProcessListTestRunsResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.TestCaseJob>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)
diff --git a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListVoices.g.cs b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListVoices.g.cs
index ac2f9c6..16bb5e9 100644
--- a/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListVoices.g.cs
+++ b/src/libs/RetellAI/Generated/RetellAI.RetellAiClient.ListVoices.g.cs
@@ -177,7 +177,7 @@ partial void ProcessListVoicesResponseContent(
                     __response.EnsureSuccessStatusCode();
 
                     return
-                        global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse>), JsonSerializerContext) as global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse>?)global::System.Text.Json.JsonSerializer.Deserialize(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse>), JsonSerializerContext) ??
                         throw new global::System.InvalidOperationException($"Response deserialization failed for \"{__content}\" ");
                 }
                 catch (global::System.Exception __ex)
@@ -208,7 +208,7 @@ partial void ProcessListVoicesResponseContent(
                     ).ConfigureAwait(false);
 
                     return
-                        await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse>), JsonSerializerContext).ConfigureAwait(false) as global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse> ??
+                        (global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse>?)await global::System.Text.Json.JsonSerializer.DeserializeAsync(__content, typeof(global::System.Collections.Generic.IList<global::RetellAI.VoiceResponse>), JsonSerializerContext).ConfigureAwait(false) ??
                         throw new global::System.InvalidOperationException("Response deserialization failed.");
                 }
                 catch (global::System.Exception __ex)