Added code placeholder

app/w/[id]/components/workflow-block/components/sub-block/components/code.tsx

@@ -192,6 +192,11 @@ export function Code({ blockId, subBlockId, isConnecting }: CodeProps) {
       </div>
 
       <div ref={editorRef} className="pl-[30px] pt-0 mt-0 relative">
+        {code.length === 0 && (
+          <div className="absolute left-[42px] top-[12px] text-muted-foreground/50 select-none pointer-events-none">
+            Write JavaScript...
+          </div>
+        )}
         <Editor
           value={code}
           onValueChange={(newCode) => {

app/w/[id]/components/workflow-block/components/sub-block/components/tool-input.tsx

@@ -28,24 +28,6 @@ interface StoredTool {
   params: Record<string, string>
 }
 
-// UI interface - includes display properties
-interface ToolDisplay {
-  type: string
-  icon: any
-  title: string
-  bgColor: string
-  requiredParams: ToolParam[]
-}
-
-interface SelectedTool {
-  type: string
-  icon: any
-  title: string
-  bgColor: string
-  requiredParams?: ToolParam[]
-  params?: Record<string, string>
-}
-
 interface ToolParam {
   id: string
   type: string