feat(microsoft-integration): enhance email permissions and consent flow for Outlook integration

planner.php

@@ -234,10 +234,12 @@ try {
 // 5b. Haal recente e-mails op voor de Outlook E-mail Widget
 $recentEmails = [];
 $unreadEmailCount = 0;
+$mailNeedsReconsent = false;
 try {
     $mailData = microsoft_fetch_inbox_messages($userId, 5);
     $recentEmails = $mailData['messages'] ?? [];
     $unreadEmailCount = (int)($mailData['unread_count'] ?? 0);
+    $mailNeedsReconsent = !empty($mailData['needs_reconsent']);
 } catch (Throwable $e) {
     error_log("Fout bij ophalen recente e-mails in planner: " . $e->getMessage());
 }
@@ -934,7 +936,12 @@ for ($h = $startHour; $h <= $endHour; $h++) {
                                 <h3 class="text-xs font-bold text-slate-900 dark:text-white uppercase tracking-wider">
                                     Outlook E-mail
                                 </h3>
-                                <?php if ($unreadEmailCount > 0): ?>
+                                <?php if ($mailNeedsReconsent): ?>
+                                    <a href="/auth/oauth_microsoft.php?reconsent=1&return_to=/planner.php" class="px-2 py-0.5 rounded-full text-[10px] font-bold bg-amber-50 dark:bg-amber-500/15 text-amber-700 dark:text-amber-400 border border-amber-200 dark:border-amber-500/30 hover:underline flex items-center space-x-1" title="Klik om e-mail toestemming te verlenen bij Microsoft">
+                                        <i data-lucide="shield-alert" class="w-3 h-3 text-amber-600"></i>
+                                        <span>Machtiging vereist &rarr;</span>
+                                    </a>
+                                <?php elseif ($unreadEmailCount > 0): ?>
                                     <span class="px-2 py-0.5 rounded-full text-[10px] font-bold bg-rose-50 dark:bg-rose-500/15 text-rose-700 dark:text-rose-400 border border-rose-200 dark:border-rose-500/30">
                                         <?= $unreadEmailCount ?> ongelezen
                                     </span>