chore(core,openai): add some missing chat model call keys (#9223)

Author: hntrl

libs/langchain-core/src/language_models/chat_models.ts

@@ -221,6 +221,10 @@ export abstract class BaseChatModel<
 
   outputVersion?: MessageOutputVersion;
 
+  get callKeys(): string[] {
+    return [...super.callKeys, "outputVersion"];
+  }
+
   constructor(fields: BaseChatModelParams) {
     super(fields);
     this.outputVersion = iife(() => {

libs/providers/langchain-openai/src/chat_models/index.ts

@@ -603,6 +603,10 @@ export class ChatOpenAI<
     return [...super.lc_serializable_keys, "useResponsesApi"];
   }
 
+  get callKeys(): string[] {
+    return [...super.callKeys, "useResponsesApi"];
+  }
+
   constructor(protected fields?: ChatOpenAIFields) {
     super(fields);
     this.useResponsesApi = fields?.useResponsesApi ?? false;