Point lead form to unified n8n webhook /webhook/lead

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

index.html

@@ -232,7 +232,7 @@
       <h2>The people part doesn't have to be <em>a mystery.</em></h2>
       <p>No pitch, no program to sign up for. Just a straight talk about what's getting in the way and whether we can help.</p>
 
-      <form class="lf" data-endpoint="https://n8n.shopwisdom.ca/webhook/oc-lead" data-source="open-communications" novalidate>
+      <form class="lf" data-endpoint="https://n8n.shopwisdom.ca/webhook/lead" data-source="open-communications" novalidate>
         <div class="lf-progress" aria-hidden="true"><span class="lf-dot is-active"></span><span class="lf-dot"></span><span class="lf-dot"></span></div>
         <fieldset class="lf-step is-active" data-step="1">
           <legend class="lf-q">What's getting in the way?</legend>