Index: src/assets/js/mod/paid-gate.js
===================================================================
--- src/assets/js/mod/paid-gate.js	(revision 156baa32c3292b1c6ba350f1fede79d7cbeeea4d)
+++ src/assets/js/mod/paid-gate.js	(revision 156baa32c3292b1c6ba350f1fede79d7cbeeea4d)
@@ -0,0 +1,61 @@
+// De betaalmuur -- verplaatst uit inline script, shaer-bqr.
+//
+// Inline script wordt door de CSP geweigerd zodra deze pagina via een link
+// BINNEN de site binnenkomt (shaer-0i6). Servergegevens komen uit pageData();
+// interpolatie kan niet in een statisch bestand.
+
+import { pageData } from './lib.js';
+
+(function () {
+  var _d = pageData();
+  var base = _d.base || "";
+  var slug = _d.slug || "";
+  var hasPatron = !!_d.hasPatron;
+  var I = _d.i18n || {};
+  var btn = document.getElementById('pg-unlock');
+  var status = document.getElementById('pg-status');
+  function say(msg, err) { status.hidden = false; status.textContent = msg; status.classList.toggle('is-err', !!err); }
+  function toLink() { location.href = base + '/paid/link?post=' + encodeURIComponent(slug); }
+
+  // No WebAuthn here: an assertion is impossible. With a Patreon page there is
+  // already a "Word supporter" button, so hide the (dead) unlock button rather
+  // than turn it into a second "Word supporter". Without one, this IS the button.
+  if (!window.SimpleWebAuthnBrowser || !window.PublicKeyCredential) {
+    if (hasPatron) { btn.style.display = 'none'; }
+    else { btn.textContent = I.join; btn.addEventListener('click', toLink); }
+    return;
+  }
+
+  btn.addEventListener('click', function () {
+    btn.disabled = true;
+    say(I.confirm);
+    fetch(base + '/paid/challenge?post=' + encodeURIComponent(slug))
+      .then(function (r) { if (!r.ok) throw { link: true }; return r.json(); })
+      .then(function (data) {
+        return window.SimpleWebAuthnBrowser.startAuthentication({ optionsJSON: data.options })
+          .then(function (response) {
+            return fetch(base + '/paid/unlock', {
+              method: 'POST', headers: { 'Content-Type': 'application/json' },
+              body: JSON.stringify({ response: response, blob: data.blob }),
+            });
+          });
+      })
+      .then(function (r) { return r.json().then(function (j) { return { status: r.status, j: j }; }); })
+      .then(function (res) {
+        if (res.j && res.j.ok && res.j.redirect) {
+          // Reload the real post page via the one-shot unlock capability, so it
+          // renders through its normal template (layout, styles, audio).
+          location.href = res.j.redirect;
+        } else if (res.status === 403) {
+          toLink();   // no valid passkey yet (or lapsed tier): link via Patreon
+        } else {
+          btn.disabled = false; say(I.failed, true);
+        }
+      })
+      .catch(function (e) {
+        if (e && e.link) { toLink(); return; }
+        if (e && e.name === 'NotAllowedError') { toLink(); return; }   // cancelled / no passkey -> link
+        btn.disabled = false; say(I.error, true);
+      });
+  });
+})();
