Index: src/views/pages/post.ejs
===================================================================
--- src/views/pages/post.ejs	(revision 1b992259058f82476d15f218bcde59509be5bdba)
+++ src/views/pages/post.ejs	(revision 80c36a11780668405aae6004e333b68963a6b9db)
@@ -94,4 +94,7 @@
         </ol>
       <% } %>
+      <%# "Interact via the fediverse" is for VISITORS (reply from their own server).
+          The owner/admin has their own controls + it's their post → hide it for them. %>
+      <% if (typeof canManageSite === 'undefined' || !canManageSite) { %>
       <div class="post-fediverse-cta">
         <button type="button" class="btn fedi-remote-reply-btn" data-fedi-uri="<%= _postAbsUrl %>" data-fedi-ph="<%= t('fedi.remote_ph') %>">
@@ -100,4 +103,5 @@
         </button>
       </div>
+      <% } %>
     </section>
   <% } %>