Feature/lang graph (#2319)

* add langgraph

* datasource: initial commit

* datasource: datasource details and chunks

* datasource: Document Store Node

* more changes

* Document Store - Base functionality

* Document Store Loader Component

* Document Store Loader Component

* before merging the modularity PR

* after merging the modularity PR

* preview mode

* initial draft PR

* fixes

* minor updates and  fixes

* preview with loader and splitter

* preview with credential

* show stored chunks

* preview update...

* edit config

* save, preview and other changes

* save, preview and other changes

* save, process and other changes

* save, process and other changes

* alpha1 - for internal testing

* rerouting urls

* bug fix on new leader create

* pagination support for chunks

* delete document store

* Update pnpm-lock.yaml

* doc store card view

* Update store files to use updated storage functions, Document Store Table View and other changes

* ui changes

* add expanded chunk dialog, improve ui

* change throw Error to InternalError

* Bug Fixes and removal of subFolder, adding of view chunks for store

* lint fixes

* merge changes

* DocumentStoreStatus component

* ui changes for doc store

* add remove metadata key field, add custom document loader

* add chatflows used doc store chips

* add types/interfaces to DocumentStore Services

* document loader list dialog title bar color change

* update interfaces

* Whereused Chatflow Name and Added chunkNo to retain order of created chunks.

* use typeorm order chunkNo, ui changes

* update tabler icons react

* cleanup agents

* add pysandbox tool

* add abort functionality, loading next agent

* add empty view svg

* update chatflow tool with chatId

* rename to agentflows

* update worker for prompt input values

* update dashboard to agentflows, agentcanvas

* fix marketplace use template

* add agentflow templates

* resolve merge conflict

* update baseURL

---------

Co-authored-by: vinodkiran <vinodkiran@usa.net>
Co-authored-by: Vinod Paidimarry <vinodkiran@outlook.in>

packages/ui/src/utils/genericHelper.js

@@ -549,14 +549,14 @@ export const removeDuplicateURL = (message) => {
     if (!message.sourceDocuments) return newSourceDocuments
 
     message.sourceDocuments.forEach((source) => {
-        if (source.metadata && source.metadata.source) {
+        if (source && source.metadata && source.metadata.source) {
             if (isValidURL(source.metadata.source) && !visitedURLs.includes(source.metadata.source)) {
                 visitedURLs.push(source.metadata.source)
                 newSourceDocuments.push(source)
             } else if (!isValidURL(source.metadata.source)) {
                 newSourceDocuments.push(source)
             }
-        } else {
+        } else if (source) {
             newSourceDocuments.push(source)
         }
     })