GUI: add persistent QR/config view and handshake-based online status

gui/templates/index.html

@@ -5,7 +5,7 @@
 <table>
   <thead>
     <tr>
-      <th>Имя</th><th>Статус</th><th>IP</th><th>Роуты</th><th>AllowedIPs</th><th>Endpoint</th><th>Handshake</th><th>RX</th><th>TX</th><th>PubKey</th>
+      <th>Имя</th><th>Статус</th><th>IP</th><th>Роуты</th><th>AllowedIPs</th><th>Endpoint</th><th>Handshake</th><th>RX</th><th>TX</th><th>PubKey</th><th>Действие</th>
     </tr>
   </thead>
   <tbody>
@@ -21,6 +21,13 @@
       <td>{{ p.rx }}</td>
       <td>{{ p.tx }}</td>
       <td class="mono">{{ p.public_key }}</td>
+      <td>
+        {% if p.id %}
+          <a href="{{ url_for('peer_view', peer_id=p.id) }}">QR/Config</a>
+        {% else %}
+          -
+        {% endif %}
+      </td>
     </tr>
     {% endfor %}
   </tbody>