🐛 fix: Prevent Default Values in OpenAI/Custom Endpoint Agents (#5180)

* fix: prevent OpenAI/custom-endpoint agents from using default values

* fix: order of assigning client options

* chore: typing for runnable config

Author: danny-avila

api/package.json

@@ -45,7 +45,7 @@
     "@langchain/google-genai": "^0.1.6",
     "@langchain/google-vertexai": "^0.1.6",
     "@langchain/textsplitters": "^0.1.0",
-    "@librechat/agents": "^1.9.92",
+    "@librechat/agents": "^1.9.94",
     "axios": "^1.7.7",
     "bcryptjs": "^2.4.3",
     "cheerio": "^1.0.0-rc.12",

api/server/controllers/agents/client.js

@@ -41,6 +41,7 @@ const { createRun } = require('./run');
 const { logger } = require('~/config');
 
 /** @typedef {import('@librechat/agents').MessageContentComplex} MessageContentComplex */
+/** @typedef {import('@langchain/core/runnables').RunnableConfig} RunnableConfig */
 
 const providerParsers = {
   [EModelEndpoint.openAI]: openAISchema,
@@ -488,6 +489,7 @@ class AgentClient extends BaseClient {
       //   });
       // }
 
+      /** @type {Partial<RunnableConfig> & { version: 'v1' | 'v2'; run_id?: string; streamMode: string }} */
       const config = {
         configurable: {
           req: this.options.req,