feat: query prompt template support in chatflow (#3791)

Co-authored-by: Joel <iamjoel007@gmail.com>

web/app/components/workflow/nodes/_base/components/prompt/editor.tsx

@@ -146,6 +146,7 @@ const Editor: FC<Props> = ({
               <PromptEditor
                 instanceId={instanceId}
                 compact
+                className='min-h-[56px]'
                 style={isExpand ? { height: editorExpandHeight - 5 } : {}}
                 value={value}
                 contextBlock={{

web/app/components/workflow/nodes/_base/components/variable/utils.ts

@@ -272,10 +272,12 @@ export const getNodeUsedVars = (node: Node): ValueSelector[] => {
       const payload = (data as LLMNodeType)
       const isChatModel = payload.model?.mode === 'chat'
       let prompts: string[] = []
-      if (isChatModel)
+      if (isChatModel) {
         prompts = (payload.prompt_template as PromptItem[])?.map(p => p.text) || []
-      else
-        prompts = [(payload.prompt_template as PromptItem).text]
+        if (payload.memory?.query_prompt_template)
+          prompts.push(payload.memory.query_prompt_template)
+      }
+      else { prompts = [(payload.prompt_template as PromptItem).text] }
 
       const inputVars: ValueSelector[] = matchNotSystemVars(prompts)
       const contextVar = (data as LLMNodeType).context?.variable_selector ? [(data as LLMNodeType).context?.variable_selector] : []
@@ -375,6 +377,8 @@ export const updateNodeVars = (oldNode: Node, oldVarSelector: ValueSelector, new
               text: replaceOldVarInText(prompt.text, oldVarSelector, newVarSelector),
             }
           })
+          if (payload.memory?.query_prompt_template)
+            payload.memory.query_prompt_template = replaceOldVarInText(payload.memory.query_prompt_template, oldVarSelector, newVarSelector)
         }
         else {
           payload.prompt_template = {