Bugfix/Disable default user input if memory is disabled for first node (#4530)

disable default user input if memory is disabled for first node

Author: HenryHengZJ

packages/components/nodes/agentflow/Agent/Agent.ts

@@ -756,7 +756,7 @@ class Agent_Agentflow implements INode {
                 /*
                  * If this is the first node:
                  * - Add images to messages if exist
-                 * - Add user message
+                 * - Add user message if it does not exist in the agentMessages array
                  */
                 if (options.uploads) {
                     const imageContents = await getUniqueImageMessages(options, messages, modelConfig)
@@ -767,7 +767,7 @@ class Agent_Agentflow implements INode {
                     }
                 }
 
-                if (input && typeof input === 'string') {
+                if (input && typeof input === 'string' && !agentMessages.some((msg) => msg.role === 'user')) {
                     messages.push({
                         role: 'user',
                         content: input
@@ -977,7 +977,19 @@ class Agent_Agentflow implements INode {
                     inputMessages.push(...runtimeImageMessagesWithFileRef)
                 }
                 if (input && typeof input === 'string') {
-                    inputMessages.push({ role: 'user', content: input })
+                    if (!enableMemory) {
+                        if (!agentMessages.some((msg) => msg.role === 'user')) {
+                            inputMessages.push({ role: 'user', content: input })
+                        } else {
+                            agentMessages.map((msg) => {
+                                if (msg.role === 'user') {
+                                    inputMessages.push({ role: 'user', content: msg.content })
+                                }
+                            })
+                        }
+                    } else {
+                        inputMessages.push({ role: 'user', content: input })
+                    }
                 }
             }
 

packages/components/nodes/agentflow/LLM/LLM.ts

@@ -410,7 +410,7 @@ class LLM_Agentflow implements INode {
                 /*
                  * If this is the first node:
                  * - Add images to messages if exist
-                 * - Add user message
+                 * - Add user message if it does not exist in the llmMessages array
                  */
                 if (options.uploads) {
                     const imageContents = await getUniqueImageMessages(options, messages, modelConfig)
@@ -421,7 +421,7 @@ class LLM_Agentflow implements INode {
                     }
                 }
 
-                if (input && typeof input === 'string') {
+                if (input && typeof input === 'string' && !llmMessages.some((msg) => msg.role === 'user')) {
                     messages.push({
                         role: 'user',
                         content: input
@@ -545,7 +545,19 @@ class LLM_Agentflow implements INode {
                     inputMessages.push(...runtimeImageMessagesWithFileRef)
                 }
                 if (input && typeof input === 'string') {
-                    inputMessages.push({ role: 'user', content: input })
+                    if (!enableMemory) {
+                        if (!llmMessages.some((msg) => msg.role === 'user')) {
+                            inputMessages.push({ role: 'user', content: input })
+                        } else {
+                            llmMessages.map((msg) => {
+                                if (msg.role === 'user') {
+                                    inputMessages.push({ role: 'user', content: msg.content })
+                                }
+                            })
+                        }
+                    } else {
+                        inputMessages.push({ role: 'user', content: input })
+                    }
                 }
             }