feat(sender): add manual Webmention resend action

Add an authenticated action to reopen a sent Webmention revision and
queue it for delivery again from the source detail view.

Clear the previous attempt state while preserving historical
successful-send data, and show pending Webmentions explicitly in the UI.

1 files changed, 24 insertions, 3 deletions

diff --git a/webmentions_ssg/templates/sent_source.html b/webmentions_ssg/templates/sent_source.html
index 6bb2ac5..77376b5 100644
--- a/webmentions_ssg/templates/sent_source.html
+++ b/webmentions_ssg/templates/sent_source.html
@@ -3,7 +3,6 @@ SPDX-FileCopyrightText: 2026 Dennis Fink <me+coding@dennisfink.me>
 
 SPDX-License-Identifier: BSD-3-Clause
 -->
-
 {% extends "base.html" %}
 {% block content %}
   <div class="mb-3">
@@ -85,11 +84,15 @@ SPDX-License-Identifier: BSD-3-Clause
             <th scope="col">Status URL</th>
             <th scope="col">Last attempted at</th>
             <th scope="col">Last sent at</th>
+            <th scope="col">Actions</th>
           </tr>
         </thead>
         <tbody>
           {% for webmention in webmentions %}
-            {% if webmention.status.value == "sent" %}
+            {% if webmention.status is none %}
+              {% set row_class = "table-info" %}
+              {% set badge_class = "text-bg-info" %}
+            {% elif webmention.status.value == "sent" %}
               {% set row_class = "table-success" %}
               {% set badge_class = "text-bg-success" %}
             {% elif webmention.status.value == "unsupported" %}
@@ -107,7 +110,9 @@ SPDX-License-Identifier: BSD-3-Clause
                 <a href="{{ webmention.target }}">{{ webmention.target }}</a>
               </td>
               <td>
-                {% if webmention.status is not none %}
+                {% if webmention.status is none %}
+                  <span class="badge {{ badge_class }}">Pending</span>
+                {% else %}
                   <span class="badge {{ badge_class }}">{{ webmention.status.value.title() }}</span>
                 {% endif %}
               </td>
@@ -171,12 +176,28 @@ SPDX-License-Identifier: BSD-3-Clause
                   —
                 {% endif %}
               </td>
+              <td>
+                <button type="button"
+                        class="btn btn-sm btn-primary"
+                        data-bs-toggle="modal"
+                        data-bs-target="#confirmation-modal"
+                        data-action="{{ url_for("root.resend_sent_webmention", source_identifier=source.uuid, webmention_identifier=webmention.uuid) }}"
+                        data-title="Resend Webmention?"
+                        data-message="This Webmention will be queued again for delivery to {{ webmention.target }}."
+                        data-confirm-label="Resend"
+                        data-confirm-class="btn-primary">Resend</button>
+              </td>
             </tr>
           {% endfor %}
         </tbody>
       </table>
     </div>
+    {% include "includes/confirmation_modal.html" %}
   {% else %}
     <p class="text-body-secondary">No Webmentions have been discovered for this source.</p>
   {% endif %}
 {% endblock %}
+{% block scripts %}
+  {{ super() }}
+  <script src="{{ url_for('static', filename='js/confirmation-modal.js') }}"></script>
+{% endblock %}