fix: add code rabbit suggestion

Author: david-roper

apps/api/src/instrument-records/instrument-records.service.ts

@@ -39,6 +39,7 @@ type ExpandDataType =
     };
 
 function afterFirstDollar(str: string) {
+  if (!str) return str;
   const match = /\$(.*)/.exec(str);
   if (!match) return str;
   if (!match[1]) return str;

apps/web/src/hooks/useInstrumentVisualization.ts

@@ -37,6 +37,7 @@ export function useInstrumentVisualization({ params }: UseInstrumentVisualizatio
   const [instrumentId, setInstrumentId] = useState<null | string>(null);
 
   function afterFirstDollar(str: string) {
+    if (!str) return str;
     const match = /\$(.*)/.exec(str);
     if (!match) return str;
     if (!match[1]) return str;