Refactor query execution logic to return script results and handle errors properly

src/query/executer/query.executer.service.ts

@@ -22,16 +22,9 @@ export class QueryExecuterService {
     }
 
     const vm = this.createVm(query);
+    const result = await vm.runScript(query.source);
 
-    vm.setFunction("result", (result: string) => {
-      console.log("Query Result:", result);
-    });
-
-    await vm.runScript(query.source);
-
-    // Here you would add the logic to actually execute the query
-    // against your database or data source. This is a placeholder.
-    return { message: "Query executed", query: queryData };
+    return { message: "Query executed", result, query: queryData };
   }
 
   private createVm(query: Query) {