removed neo4j and replaced with rustworkx

frontend/src/Components/AiComponents/Graph.js

@@ -14,7 +14,7 @@ export default function Graph({ open, onClose }) {
       fetch("/action/graph", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({})
+        body: JSON.stringify({}) // sending an empty JSON object
       })
         .then(res => res.json())
         .then(data => {
@@ -27,7 +27,7 @@ export default function Graph({ open, onClose }) {
           setLoading(false);
         });
     }
-  }, [payload, open]);
+  }, [open]);
 
   if (!open) return null;