Feature/add max iterations to agents (#2161)

add max iterations to agents

packages/components/nodes/agents/ConversationalAgent/ConversationalAgent.ts

@@ -86,6 +86,13 @@ class ConversationalAgent_Agents implements INode {
                 type: 'Moderation',
                 optional: true,
                 list: true
+            },
+            {
+                label: 'Max Iterations',
+                name: 'maxIterations',
+                type: 'number',
+                optional: true,
+                additionalParams: true
             }
         ]
         this.sessionId = fields?.sessionId
@@ -176,6 +183,7 @@ const prepareAgent = async (
     flowObj: { sessionId?: string; chatId?: string; input?: string }
 ) => {
     const model = nodeData.inputs?.model as BaseChatModel
+    const maxIterations = nodeData.inputs?.maxIterations as string
     let tools = nodeData.inputs?.tools as Tool[]
     tools = flatten(tools)
     const memory = nodeData.inputs?.memory as FlowiseMemory
@@ -247,7 +255,8 @@ const prepareAgent = async (
         sessionId: flowObj?.sessionId,
         chatId: flowObj?.chatId,
         input: flowObj?.input,
-        verbose: process.env.DEBUG === 'true'
+        verbose: process.env.DEBUG === 'true',
+        maxIterations: maxIterations ? parseFloat(maxIterations) : undefined
     })
 
     return executor