A lot of things.

resources/views/components/hovercard.blade.php

@@ -63,10 +63,10 @@
             </div>
 
             <div class="hovercard-actions">
-                <a href="#" class="btn" title="View profile">
+                <a :href="`{{ xfRoute('members') }}/${$store.hovercard.data.user_id}/`" class="btn" title="View profile">
                     <i data-lucide="user" size="14"></i>
                 </a>
-                <a href="#" class="btn" title="Send message">
+                <a :href="`{{ xfRoute('direct-messages/add') }}?to=${$store.hovercard.data.username.replace(' ', '+')}`" class="btn" title="Send message">
                     <i data-lucide="mail" size="14"></i>
                 </a>
             </div>