Branded Voice copy pass, members activity panels, menu update

Site copy regenerated through the bv-tester1 engine; em dashes scrubbed from
all user-visible strings. /api/my/activity serves per-member earnings,
referrals, and purchases from the chain index.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

public/assets/common.js

@@ -30,14 +30,15 @@ window.IAP = (function () {
       + '<a class="logo" href="/">Instant<b>AdPay</b></a>'
       + '<span class="links">'
       + '<a href="/" data-p="home">How it works</a>'
+      + '<a href="/#ladder" data-p="pricing">Ad packages</a>'
       + '<a href="/ledger" data-p="ledger">Live ledger</a>'
-      + '<a href="/my" data-p="my">My account</a>'
+      + '<a href="/my" data-p="my">Members</a>'
       + '</span><span id="navWallet" class="muted">…</span></div>';
     document.body.prepend(nav);
     if (c.rehearsal) {
       const b = document.createElement('div');
       b.className = 'rehearsal';
-      b.innerHTML = '<b>Testnet rehearsal</b> — running on ' + c.chainName + '. Purchases use valueless test POL while we prove every payout in public.';
+      b.innerHTML = '<b>Testnet rehearsal</b>: running on ' + c.chainName + '. Purchases use valueless test POL while we prove every payout in public.';
       document.body.prepend(b);
     }
     const a = nav.querySelector('[data-p="' + active + '"]');