Feature/agentflow v2 (#4298)

* agent flow v2

* chat message background

* conditon agent flow

* add sticky note

* update human input dynamic prompt

* add HTTP node

* add default tool icon

* fix export duplicate agentflow v2

* add agentflow v2 marketplaces

* refractor memoization, add iteration nodes

* add agentflow v2 templates

* add agentflow generator

* add migration scripts for mysql, mariadb, posrgres and fix date filters for executions

* update agentflow chat history config

* fix get all flows error after deletion and rename

* add previous nodes from parent node

* update generator prompt

* update run time state when using iteration nodes

* prevent looping connection, prevent duplication of start node, add executeflow node, add nodes agentflow, chat history variable

* update embed

* convert form input to string

* bump openai version

* add react rewards

* add prompt generator to prediction queue

* add array schema to overrideconfig

* UI touchup

* update embedded chat version

* fix node info dialog

* update start node and loop default iteration

* update UI fixes for agentflow v2

* fix async drop down

* add export import to agentflowsv2, executions, fix UI bugs

* add default empty object to flowlisttable

* add ability to share trace link publicly, allow MCP tool use for Agent and Assistant

* add runtime message length to variable, display conditions on UI

* fix array validation

* add ability to add knowledge from vector store and embeddings for agent

* add agent tool require human input

* add ephemeral memory to start node

* update agent flow node to show vs and embeddings icons

* feat: add import chat data functionality for AgentFlowV2

* feat: set chatMessage.executionId to null if not found in import JSON file or database

* fix: MariaDB execution migration script to utf8mb4_unicode_520_ci

---------

Co-authored-by: Ong Chung Yau <33013947+chungyau97@users.noreply.github.com>
Co-authored-by: chungyau97 <chungyau97@gmail.com>

packages/components/src/utils.ts

@@ -712,7 +712,7 @@ export const mapChatMessageToBaseMessage = async (chatmessages: any[] = []): Pro
     for (const message of chatmessages) {
         if (message.role === 'apiMessage' || message.type === 'apiMessage') {
             chatHistory.push(new AIMessage(message.content || ''))
-        } else if (message.role === 'userMessage' || message.role === 'userMessage') {
+        } else if (message.role === 'userMessage' || message.type === 'userMessage') {
             // check for image/files uploads
             if (message.fileUploads) {
                 // example: [{"type":"stored-file","name":"0_DiXc4ZklSTo3M8J4.jpg","mime":"image/jpeg"}]
@@ -788,17 +788,23 @@ export const mapChatMessageToBaseMessage = async (chatmessages: any[] = []): Pro
  * @param {IMessage[]} chatHistory
  * @returns {string}
  */
-export const convertChatHistoryToText = (chatHistory: IMessage[] = []): string => {
+export const convertChatHistoryToText = (chatHistory: IMessage[] | { content: string; role: string }[] = []): string => {
     return chatHistory
         .map((chatMessage) => {
-            if (chatMessage.type === 'apiMessage') {
-                return `Assistant: ${chatMessage.message}`
-            } else if (chatMessage.type === 'userMessage') {
-                return `Human: ${chatMessage.message}`
+            if (!chatMessage) return ''
+            const messageContent = 'message' in chatMessage ? chatMessage.message : chatMessage.content
+            if (!messageContent || messageContent.trim() === '') return ''
+
+            const messageType = 'type' in chatMessage ? chatMessage.type : chatMessage.role
+            if (messageType === 'apiMessage' || messageType === 'assistant') {
+                return `Assistant: ${messageContent}`
+            } else if (messageType === 'userMessage' || messageType === 'user') {
+                return `Human: ${messageContent}`
             } else {
-                return `${chatMessage.message}`
+                return `${messageContent}`
             }
         })
+        .filter((message) => message !== '') // Remove empty messages
         .join('\n')
 }