MoonPay links: /buy/pol is a soft-404 - switch to the live /buy/matic page (POL's old-name slug) + copy note that MATIC is POL's former name

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

public/chat.js

@@ -21,7 +21,7 @@
     {k:['metamask','wallet','create wallet','install','set up wallet','setup wallet'],
      a:()=>`Install MetaMask only from the <a href="https://metamask.io/" target="_blank" rel="noopener noreferrer">official site</a> or your device's official app store, then create your wallet. <a href="/training">Video 2 in the training</a> walks through it step by step. Never share your Secret Recovery Phrase with anyone — not the team, not this site, not a "support agent".`},
     {k:['fund','funding','buy pol','get pol','deposit','exchange','transfer','send pol'],
-     a:()=>`You'll need about ${pol()} POL plus a little extra for gas, on Polygon Mainnet. <a href="/training">Video 3 in the training</a> shows how to fund your wallet. Brand new to crypto? You can buy POL directly with a debit/credit card, Apple Pay, or Google Pay via <a href="https://www.moonpay.com/buy/pol" target="_blank" rel="noopener noreferrer">MoonPay</a> — pick POL on the Polygon network and send it to your own wallet address. The join page also offers this automatically if your connected wallet is short. Double-check you're getting POL on Polygon — not another chain.`},
+     a:()=>`You'll need about ${pol()} POL plus a little extra for gas, on Polygon Mainnet. <a href="/training">Video 3 in the training</a> shows how to fund your wallet. Brand new to crypto? You can buy POL directly with a debit/credit card, Apple Pay, or Google Pay via <a href="https://www.moonpay.com/buy/matic" target="_blank" rel="noopener noreferrer">MoonPay</a> — pick POL on the Polygon network (MoonPay may show POL's old name, MATIC — same token) and send it to your own wallet address. The join page also offers this automatically if your connected wallet is short. Double-check you're getting POL on Polygon — not another chain.`},
     {k:['join','buy','purchase','premium position','enter','sign up','signup','register','get started','start'],
      a:()=>`Ready to join? Go to the <a href="/start">Getting Started page</a> — it shows the current team sponsor and lets you connect your wallet and buy your position right on the site, with the sponsor ID filled in automatically. <a href="/training">Video 4 in the training</a> walks through the whole process (and Video 5 covers the dApp backup method).`},
     {k:['sponsor','current sponsor','who do i join under','placement','whose link','referral'],