Add Remove button to Contacts panel; v1.1.2

Grouped contacts now have a Remove button that deletes all submissions
for that email address in one click (with confirmation).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/AdminPage.tsx

@@ -3366,6 +3366,7 @@ export default function AdminPage({ content, onSave, onLogout }: Props) {
                   subscribe: sortedEntries.some(entry => entry.subscribe),
                   message: latest.message || sortedEntries.find(entry => entry.message)?.message || '',
                   submissionCount: sortedEntries.length,
+                  allIds: sortedEntries.map(e => e.id),
                 }
               })
               .filter(contact => {
@@ -3405,6 +3406,7 @@ export default function AdminPage({ content, onSave, onLogout }: Props) {
                             <th>Subscriber</th>
                             <th>Date</th>
                             <th>Message</th>
+                            <th></th>
                           </tr>
                         </thead>
                         <tbody>
@@ -3435,6 +3437,19 @@ export default function AdminPage({ content, onSave, onLogout }: Props) {
                               <td style={{ textAlign: 'center' }}>{c.subscribe ? '✓' : ''}</td>
                               <td style={{ whiteSpace: 'nowrap' }}>{formatDate(c.submittedAt)}</td>
                               <td style={{ maxWidth: '280px', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }} title={c.message}>{c.message ?? '—'}</td>
+                              <td>
+                                <button
+                                  type="button"
+                                  className="btn-admin-remove"
+                                  style={{ fontSize: '0.75rem', padding: '0.2rem 0.55rem', whiteSpace: 'nowrap' }}
+                                  onClick={async () => {
+                                    const label = c.name || c.email || 'this contact'
+                                    if (!confirm(`Delete ${c.submissionCount > 1 ? `all ${c.submissionCount} submissions` : 'submission'} from ${label}?`)) return
+                                    await Promise.all(c.allIds.map(id => fetch(`/api/admin-contact-submissions/${encodeURIComponent(id)}`, { method: 'DELETE' })))
+                                    await reloadContactSubmissions()
+                                  }}
+                                >Remove</button>
+                              </td>
                             </tr>
                           ))}
                         </tbody>