normalize tool display; remove backticks (#1482)

frontend/src/components/DiffCard.tsx

@@ -215,7 +215,7 @@ export default function DiffCard({
   // Title row
   const title = (
     <p
-      className="text-xs font-mono overflow-x-auto flex-1"
+      className="text-sm font-mono overflow-x-auto flex-1"
       style={{ color: 'hsl(var(--muted-foreground) / 0.7)' }}
     >
       <Icon className="h-3 w-3 inline mr-2" aria-hidden />

frontend/src/components/NormalizedConversation/DisplayConversationEntry.tsx

@@ -516,9 +516,9 @@ const ToolCallCard: React.FC<{
             {entryType && getEntryIcon(entryType)}
           </span>
           {showInlineSummary ? (
-            <span className="font-light">{inlineText}</span>
+            <span className="text-sm font-mono">{inlineText}</span>
           ) : (
-            <span className="font-normal">{label}</span>
+            <span className="text-sm font-mono">{label}</span>
           )}
         </span>
       </HeaderWrapper>

frontend/src/components/NormalizedConversation/FileChangeRenderer.tsx

@@ -136,7 +136,7 @@ const FileChangeRenderer = ({
         {icon}
         <p
           onClick={() => expandable && setExpanded()}
-          className="text-sm font-light overflow-x-auto flex-1 cursor-pointer"
+          className="text-sm font-mono overflow-x-auto flex-1 cursor-pointer"
         >
           {titleNode}
         </p>