Control: show shareable /register invite link in Applicants tab

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

public/views/control.js

@@ -8,6 +8,8 @@ import { api } from '../api.js';
 
 const TIERS = ['lock', 'uninstall-keep', 'wipe'];
 const A = '/api/control/admin';
+// Public, Google-gated self-service registration page testers are sent to.
+const REGISTER_URL = 'https://ivctl.hynesy.com/register';
 
 // ---- small UI helpers -------------------------------------------------------
 
@@ -75,6 +77,15 @@ async function renderApplicants(panel) {
   try { rows = await api.get(`${A}/applicants?status=pending`); }
   catch (e) { return mount(panel, errBox(e)); }
 
+  // Shareable invite link — the public, Google-gated registration page. Hand
+  // this to prospective testers; their submission lands here as a pending row.
+  const inviteLink = el('a', { href: safeHref(REGISTER_URL), target: '_blank', rel: 'noopener',
+    style: { color: 'var(--accent,#5ec27a)', wordBreak: 'break-all' } }, REGISTER_URL);
+  const inviteCard = el('div', { class: 'card', style: { display: 'flex', alignItems: 'center', gap: '0.6rem', flexWrap: 'wrap', marginBottom: '0.9rem' } },
+    el('span', { class: 'muted', style: { fontSize: '0.8rem' } }, 'Invite testers:'),
+    inviteLink,
+    btn('Copy link', () => navigator.clipboard?.writeText(REGISTER_URL), 'ghost'));
+
   // Add-applicant form (owner adds a tester directly; the public /register page
   // is a later addition). Posts to POST /admin/applicants {email,label}.
   const emailI = el('input', { class: 'lk-url', type: 'email', placeholder: 'email (optional)' });
@@ -121,6 +132,7 @@ async function renderApplicants(panel) {
   mount(panel,
     el('div', { class: 'term-bar' }, el('span', { class: 'term-title' }, '◆ Pending applicants'),
       btn('Refresh', () => renderApplicants(panel), 'ghost')),
+    inviteCard,
     addCard,
     rows.length ? table(['Applicant', 'Note', 'Status', 'Action', ''], body)
       : el('p', { class: 'muted' }, 'No pending applicants.'));