fix: show tool location and kind when no output (#6441)

Author: mscolnick

frontend/src/components/chat/acp/blocks.tsx

@@ -673,7 +673,9 @@ export const ToolBodyBlock = (props: {
     );
   }
 
-  if (content?.length && hasLocations) {
+  const noContent = !textContent || textContent.length === 0;
+  const noDiffs = !diffs || diffs.length === 0;
+  if (noContent && noDiffs && hasLocations) {
     return (
       <div className="flex flex-col gap-2 pr-2">
         <span className="text-xs text-muted-foreground">