Fix CI: use pnpm lockfile, fix lint and formatting issues

- Remove npm package-lock.json (project uses pnpm)
- Update pnpm-lock.yaml with @radix-ui/react-dropdown-menu
- Add type="button" to dropdown trigger for a11y lint rule
- Apply biome formatting to new/modified files

https://claude.ai/code/session_01RchFL7TGNgpJnqoL7BAEav

Author: claude

components/site-header-client.tsx

@@ -49,7 +49,10 @@ export function SiteHeaderClient({ user }: SiteHeaderClientProps) {
             {isSignedIn && user ? (
               <DropdownMenu>
                 <DropdownMenuTrigger asChild>
-                  <button className="flex items-center gap-2 rounded-md px-2 py-1.5 transition-colors hover:bg-secondary">
+                  <button
+                    type="button"
+                    className="flex items-center gap-2 rounded-md px-2 py-1.5 transition-colors hover:bg-secondary"
+                  >
                     <Image
                       src={user.avatarUrl || "/placeholder.svg"}
                       alt={user.name}
@@ -84,10 +87,7 @@ export function SiteHeaderClient({ user }: SiteHeaderClientProps) {
                   <DropdownMenuSeparator />
                   <DropdownMenuItem asChild>
                     <form action={signOutAction} className="w-full">
-                      <button
-                        type="submit"
-                        className="flex w-full items-center gap-2 text-sm"
-                      >
+                      <button type="submit" className="flex w-full items-center gap-2 text-sm">
                         <LogOut className="h-3.5 w-3.5" />
                         Sign out
                       </button>

components/ui/dropdown-menu.tsx

@@ -33,8 +33,7 @@ const DropdownMenuSubTrigger = React.forwardRef<
     {children}
   </DropdownMenuPrimitive.SubTrigger>
 ))
-DropdownMenuSubTrigger.displayName =
-  DropdownMenuPrimitive.SubTrigger.displayName
+DropdownMenuSubTrigger.displayName = DropdownMenuPrimitive.SubTrigger.displayName
 
 const DropdownMenuSubContent = React.forwardRef<
   React.ComponentRef<typeof DropdownMenuPrimitive.SubContent>,
@@ -49,8 +48,7 @@ const DropdownMenuSubContent = React.forwardRef<
     {...props}
   />
 ))
-DropdownMenuSubContent.displayName =
-  DropdownMenuPrimitive.SubContent.displayName
+DropdownMenuSubContent.displayName = DropdownMenuPrimitive.SubContent.displayName
 
 const DropdownMenuContent = React.forwardRef<
   React.ComponentRef<typeof DropdownMenuPrimitive.Content>,
@@ -96,11 +94,7 @@ const DropdownMenuLabel = React.forwardRef<
 >(({ className, inset, ...props }, ref) => (
   <DropdownMenuPrimitive.Label
     ref={ref}
-    className={cn(
-      "px-2 py-1.5 text-sm font-semibold",
-      inset && "pl-8",
-      className
-    )}
+    className={cn("px-2 py-1.5 text-sm font-semibold", inset && "pl-8", className)}
     {...props}
   />
 ))