Email notifications (welcome + payout + passed-up) and net->network label

- Welcome email on new account: onboarding steps + who their sponsor is.
- On-chain event emails: a payout received (TierPaid/AwardPaid) and a payout
  that passed you by unqualified (PassedUp), wired into the chain event stream.
- Campaign stats: "+N net" relabeled to "+N network" (clearer than "net").

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

public/assets/my.js

@@ -504,7 +504,7 @@
         + r.campaigns.map(c => '<tr><td><b>' + c.name + '</b></td>'
           + '<td>' + c.type + (c.type === 'banner' && c.width ? ' <span class="muted small">' + c.width + '×' + c.height + '</span>' : '') + '</td>'
           + '<td class="num">' + c.imps.toLocaleString()
-            + (c.impsNas ? ' <span class="muted small" title="views across the network">+' + c.impsNas.toLocaleString() + ' net</span>' : '')
+            + (c.impsNas ? ' <span class="muted small" title="views across the network">+' + c.impsNas.toLocaleString() + ' network</span>' : '')
             + '</td><td class="num">' + c.clicks + '</td>'
           + '<td class="num">' + c.spent + '</td><td class="num">' + c.budget + '</td>'
           + '<td>' + (c.status === 'out' ? '<span class="badge amber">budget spent</span>' : c.status) + '</td>'

public/my.html

@@ -644,7 +644,7 @@
 </div>
 <script src="/assets/common.js?v=20260907n"></script>
 <script src="/assets/wallet.js?v=20260907f"></script>
-<script src="/assets/my.js?v=20260907n"></script>
+<script src="/assets/my.js?v=20260907o"></script>
 <script src="/assets/chat.js?v=20260907l"></script>
 </body>
 </html>

server.js

@@ -121,7 +121,7 @@ async function frameCheck(url) {
 }
 async function boot() {
   await db.init({ dataDir: DATA_DIR }); // no-op without DATABASE_URL (JSON mode)
-  chain.init({ onEvent: ev => attachNames([ev]).then(a => pushFeed(a[0])).catch(() => pushFeed(ev)) });
+  chain.init({ onEvent: ev => { attachNames([ev]).then(a => pushFeed(a[0])).catch(() => pushFeed(ev)); emailOnEvent(ev).catch(() => {}); } });
   auth.init({ dataDir: DATA_DIR, chain, isProd: IS_PROD, site: 'instantadpay.com' });
   accounts.init({ dataDir: DATA_DIR });
   ads.init({ dataDir: DATA_DIR, chain });
@@ -245,6 +245,35 @@ async function nudgeReferrer(ref) {
       + 'https://instantadpay.com/my\n\nInstantAdPay').catch(e => console.error('nudge failed', e.message));
   } catch (e) {}
 }
+// welcome email on a new account: onboarding steps + who their sponsor is
+async function sendWelcome(email, ref) {
+  try {
+    if (!mailer.hasKey()) return;
+    const spon = await accounts.sponsorOf(email);
+    const who = spon ? (spon.username ? '@' + spon.username : 'member #' + (spon.memberId || 0)) : '';
+    const sponsorLine = who ? ('You joined through ' + who + ', your sponsor. They are there to help you get started, and you can message them anytime from your dashboard.\n\n') : '';
+    mailer.send(email, 'Welcome to InstantAdPay',
+      'Your free InstantAdPay account is ready.\n\n' + sponsorLine
+      + 'Getting started:\n'
+      + '1. Pick your username and fill out your profile.\n'
+      + '2. Grab your invite link and start sharing to build your line.\n'
+      + '3. Explore the ad packages when you are ready. Every payout settles on-chain, straight to your wallet.\n\n'
+      + 'Sign in anytime: https://instantadpay.com/my\n\nInstantAdPay').catch(() => {});
+  } catch (e) {}
+}
+// on-chain event emails: a payout received, or a payout that passed you by
+const weiToPol = w => { try { return (Number(BigInt(w) / (10n ** 14n)) / 10000).toString(); } catch (e) { return '?'; } };
+async function emailOnEvent(ev) {
+  if (!mailer.hasKey() || !ev) return;
+  const notify = async (memberId, subject, body) => {
+    if (!memberId) return;
+    const a = await accounts.byMemberId(memberId);
+    if (a && a.email) mailer.send(a.email, subject, body + '\n\nSee it on the live ledger: https://instantadpay.com/ledger\n\nInstantAdPay').catch(() => {});
+  };
+  if (ev.type === 'TierPaid') await notify(ev.recipientId, 'You just got paid on InstantAdPay', 'A level-' + ev.tier + ' payout of ' + weiToPol(ev.amountWei) + ' POL just landed in your wallet.');
+  else if (ev.type === 'AwardPaid') await notify(ev.toId, 'You just got paid on InstantAdPay', weiToPol(ev.amountWei) + ' POL just landed in your wallet.');
+  else if (ev.type === 'PassedUp') await notify(ev.skippedId, 'A payout passed you by on InstantAdPay', 'A level-' + ev.tier + ' payout passed you by because you were not qualified yet. Get qualified so you catch the next one.');
+}
 
 // ---- live feed (SSE) ----
 const feedClients = new Set();
@@ -389,7 +418,7 @@ const server = http.createServer(async (req, res) => {
       const ref = parseCookies(req)['iap.sponsor'] || '';
       const r = await accounts.ensure(e, ref); // first touch wins; existing accounts unchanged
       if (r.error) return json(res, 400, r);
-      if (r.created) nudgeReferrer(ref).catch(() => {});
+      if (r.created) { nudgeReferrer(ref).catch(() => {}); sendWelcome(e, ref).catch(() => {}); }
       let memberId = 0;
       if (r.account.address) { try { memberId = await chain.memberIdByAccount(r.account.address); } catch (err) {} }
       const token = await auth.mintSession({ email: r.account.email, address: r.account.address, memberId });