Update AGENTS.md. Start fixing old weird errors

packages/ui/src/collapsible.tsx

@@ -2,32 +2,28 @@
 
 import { Collapsible as CollapsiblePrimitive } from 'radix-ui';
 
-function Collapsible({
+const Collapsible = ({
   ...props
-}: React.ComponentProps<typeof CollapsiblePrimitive.Root>) {
-  return <CollapsiblePrimitive.Root data-slot='collapsible' {...props} />;
-}
+}: React.ComponentProps<typeof CollapsiblePrimitive.Root>) => (
+  <CollapsiblePrimitive.Root data-slot='collapsible' {...props} />
+);
 
-function CollapsibleTrigger({
+const CollapsibleTrigger = ({
   ...props
-}: React.ComponentProps<typeof CollapsiblePrimitive.CollapsibleTrigger>) {
-  return (
-    <CollapsiblePrimitive.CollapsibleTrigger
-      data-slot='collapsible-trigger'
-      {...props}
-    />
-  );
-}
+}: React.ComponentProps<typeof CollapsiblePrimitive.CollapsibleTrigger>) => (
+  <CollapsiblePrimitive.CollapsibleTrigger
+    data-slot='collapsible-trigger'
+    {...props}
+  />
+);
 
-function CollapsibleContent({
+const CollapsibleContent = ({
   ...props
-}: React.ComponentProps<typeof CollapsiblePrimitive.CollapsibleContent>) {
-  return (
-    <CollapsiblePrimitive.CollapsibleContent
-      data-slot='collapsible-content'
-      {...props}
-    />
-  );
-}
+}: React.ComponentProps<typeof CollapsiblePrimitive.CollapsibleContent>) => (
+  <CollapsiblePrimitive.CollapsibleContent
+    data-slot='collapsible-content'
+    {...props}
+  />
+);
 
 export { Collapsible, CollapsibleTrigger, CollapsibleContent };