Support 50 user messages in Responses API convo (#869)

* support 50 user messages in convo:wq

* revert docs change

* Update docs/docs/server/openapi.yaml

Co-authored-by: Helen Schawe <71039431+hschawe@users.noreply.github.com>

---------

Co-authored-by: Ben Perlmutter <mongodben@mongodb.com>
Co-authored-by: Helen Schawe <71039431+hschawe@users.noreply.github.com>

Author: 3 people

docs/docs/server/openapi.yaml

@@ -504,6 +504,8 @@ components:
             Including `previous_response_id` in the request causes the model
             to use the previous response as context.
 
+            Note that conversations support a maximum of 50 `user` messages. If you want to append more messages, create a new conversation with the previous content consolidated.
+
             Usage notes:
             - You can only use `previous_response_id` if `store: true`. 
             - All requests on the same conversation must have the same `user` ID leave it undefined.
@@ -812,7 +814,7 @@ components:
         file_id:
           type: string
           description: |
-            ID of the verified answer. 
+            ID of the verified answer.
         filename:
           type: string
           enum: [verified_answer]

packages/chatbot-server-mongodb-public/src/config.ts

@@ -465,7 +465,7 @@ export const config: AppConfig = {
       }),
       supportedModels: ["mongodb-chat-latest"],
       maxOutputTokens: 4000,
-      maxUserMessagesInConversation: 6,
+      maxUserMessagesInConversation: 50,
       alwaysAllowedMetadataKeys: [
         "ip",
         "origin",