📝 docs(config.yaml): add documentation link for MotorheadMemory integration

🐛 fix(memories.py): hide and make chat_memory field optional for MotorheadMemory frontend node

src/backend/langflow/config.yaml

@@ -153,6 +153,8 @@ memories:
     documentation: "https://python.langchain.com/docs/modules/memory/how_to/vectorstore_retriever_memory"
   MongoDBChatMessageHistory:
     documentation: "https://python.langchain.com/docs/modules/memory/integrations/mongodb_chat_message_history"
+  MotorheadMemory:
+    documentation: "https://python.langchain.com/docs/integrations/memory/motorhead_memory"
 prompts:
   ChatMessagePromptTemplate:
     documentation: "https://python.langchain.com/docs/modules/model_io/prompts/prompt_templates/msg_prompt_templates"

src/backend/langflow/template/frontend_node/memories.py

@@ -94,6 +94,10 @@ class MemoryFrontendNode(FrontendNode):
             field.show = False
             field.required = False
 
+        if name == "MotorheadMemory" and field.name == "chat_memory":
+            field.show = False
+            field.required = False
+
 
 class PostgresChatMessageHistoryFrontendNode(MemoryFrontendNode):
     name: str = "PostgresChatMessageHistory"