Index: src/routes/admin-shows.js
===================================================================
--- src/routes/admin-shows.js	(revision 8d32dcf6552ef4dcd02cb0465748921a55ac674b)
+++ src/routes/admin-shows.js	(revision 8d32dcf6552ef4dcd02cb0465748921a55ac674b)
@@ -0,0 +1,91 @@
+/**
+ * Show-agenda (premium feature #8) — beheerkant.
+ *
+ *   GET  /admin/shows           -> lijst + toevoeg-formulier
+ *   POST /admin/shows           -> show toevoegen (optioneel notify-mail naar abonnees)
+ *   POST /admin/shows/:id/delete
+ *
+ * Premium + site-beheerder. Notify-mail vereist SMTP; zonder SMTP wordt de show
+ * gewoon opgeslagen (geen mail).
+ */
+
+import express from 'express';
+import db from '../config/database.js';
+import { v4 as uuid } from 'uuid';
+import { renderPage } from '../middleware/render.js';
+import { requireSiteManager } from '../middleware/auth.js';
+import { premiumUnlocked } from '../services/PatreonService.js';
+import { mailerConfigured, sendMail } from '../config/mailer.js';
+import { confirmedFor, counts } from '../services/SubscriberService.js';
+
+const router = express.Router();
+
+function esc(s) { return String(s || '').replace(/[&<>"]/g, (c) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;' }[c])); }
+function fullUrl(req, p) {
+  const base = (process.env.PUBLIC_BASE_URL || ('https://' + (req.get('host') || ''))).replace(/\/$/, '');
+  return base + (req.res.locals.siteUrlBase || '') + p;
+}
+function premiumGate(req, res, next) {
+  if (!premiumUnlocked()) return res.status(403).send('Agenda is premium — koppel Patreon in Beheer → Instellingen.');
+  next();
+}
+function render(req, res, extra = {}) {
+  const site = res.locals.site;
+  const shows = db.prepare('SELECT * FROM shows WHERE site_id = ? ORDER BY date DESC, time DESC').all(site.id);
+  renderPage(req, res, 'pages/admin-shows', {
+    pageTitle: 'Agenda', bodyClass: 'on-admin',
+    shows, smtp: mailerConfigured(), notifyCount: confirmedFor(site.id, 'notify').length,
+    ...extra,
+  });
+}
+
+router.get('/', requireSiteManager, premiumGate, (req, res) => {
+  if (!res.locals.site) return res.status(404).send('Geen site.');
+  render(req, res);
+});
+
+router.post('/', requireSiteManager, premiumGate, async (req, res) => {
+  const site = res.locals.site;
+  if (!site) return res.status(404).send('Geen site.');
+  const b = req.body || {};
+  const date = (b.date || '').trim();
+  const city = (b.city || '').trim();
+  if (!date || !city) return render(req, res, { msg: 'Datum en plaats zijn verplicht.', msgKind: 'bad' });
+  let ticket = (b.ticket_url || '').trim();
+  if (ticket && !/^https?:\/\//i.test(ticket)) ticket = '';
+
+  db.prepare(`INSERT INTO shows (id, site_id, date, time, city, venue, country, ticket_url, notes)
+              VALUES (?,?,?,?,?,?,?,?,?)`).run(
+    uuid(), site.id, date, (b.time || '').trim() || null, city, (b.venue || '').trim() || null,
+    (b.country || '').trim() || null, ticket || null, (b.notes || '').trim() || null,
+  );
+
+  let sent = 0;
+  if (b.notify && mailerConfigured()) {
+    const subs = confirmedFor(site.id, 'notify');
+    const where = city + (b.venue ? ' — ' + b.venue : '');
+    for (const s of subs) {
+      const unsub = fullUrl(req, '/nieuwsbrief/uitschrijven/' + s.token);
+      try {
+        await sendMail({
+          to: s.email,
+          subject: 'Nieuwe show: ' + where + ' (' + date + ')',
+          text: (site.title || '') + ' speelt op ' + date + ' in ' + where + '.' + (ticket ? ('\nTickets: ' + ticket) : '') + '\n\nUitschrijven: ' + unsub,
+          html: '<p><strong>' + esc(site.title) + '</strong> speelt op <strong>' + esc(date) + '</strong> in ' + esc(where) + '.</p>' +
+                (ticket ? ('<p><a href="' + ticket + '">Tickets</a></p>') : '') +
+                '<p style="color:#888;font-size:12px"><a href="' + unsub + '">Uitschrijven</a></p>',
+        });
+        sent++;
+      } catch { /* sla over */ }
+    }
+  }
+  render(req, res, { msg: 'Show toegevoegd.' + (sent ? (' Notify gestuurd naar ' + sent + ' abonnee(s).') : ''), msgKind: 'ok' });
+});
+
+router.post('/:id/delete', requireSiteManager, premiumGate, (req, res) => {
+  const site = res.locals.site;
+  if (site) db.prepare('DELETE FROM shows WHERE id = ? AND site_id = ?').run(req.params.id, site.id);
+  res.redirect((res.locals.siteUrlBase || '') + '/admin/shows');
+});
+
+export default router;