feat: Allow using file variables directly in the LLM node and support more file types. (#10679)

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

web/app/components/workflow/nodes/llm/panel.tsx

@@ -67,6 +67,7 @@ const Panel: FC<NodePanelProps<LLMNodeType>> = ({
     handleStop,
     varInputs,
     runResult,
+    filterJinjia2InputVar,
   } = useConfig(id, data)
 
   const model = inputs.model
@@ -194,7 +195,8 @@ const Panel: FC<NodePanelProps<LLMNodeType>> = ({
               list={inputs.prompt_config?.jinja2_variables || []}
               onChange={handleVarListChange}
               onVarNameChange={handleVarNameChange}
-              filterVar={filterVar}
+              filterVar={filterJinjia2InputVar}
+              isSupportFileVar={false}
             />
           </Field>
         )}
@@ -233,6 +235,7 @@ const Panel: FC<NodePanelProps<LLMNodeType>> = ({
                 hasSetBlockStatus={hasSetBlockStatus}
                 nodesOutputVars={availableVars}
                 availableNodes={availableNodesWithParent}
+                isSupportFileVar
               />
 
               {inputs.memory.query_prompt_template && !inputs.memory.query_prompt_template.includes('{{#sys.query#}}') && (