Add collapsible Team Help chat widget on all public pages

Self-contained assistant (no external services) with a knowledge base
covering the strategy, levels, costs, wallet setup, funding, joining,
training videos, and live current-sponsor/queue data; falls back to
the configured Telegram group link when it can't answer.

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

public/start.html

@@ -16,4 +16,4 @@
 <div class="callout warning" style="margin-top:12px"><strong>Risk reminder:</strong> participation involves cryptocurrency and smart-contract risk. No income is guaranteed. Use only funds you can afford to lose.</div><div id="supportBox" class="notice" style="margin-top:12px"></div><div id="supportLinkWrap" class="hidden" style="margin-top:10px"><a id="supportLink" class="btn btn-secondary" target="_blank" rel="noopener noreferrer">Open Team Support ↗</a></div></section></div>
 <figure class="roadmap-figure"><a href="/roadmap.webp" target="_blank" rel="noopener"><img src="/roadmap.webp" alt="RM Circle Premium Team Build Roadmap — core strategy, step-by-step guide, premium levels, and duplication formula" width="1149" height="1369" loading="lazy"></a><figcaption>The RM Circle is a team build project of the <strong>Crypto Team Build Network</strong>. This roadmap is the plan every member follows — tap to view full size.</figcaption></figure></div></main>
 <footer class="wrap disclaimer">This is an independent Crypto Team Build onboarding resource, not an owner/principal page. Always confirm transaction details in your wallet before signing. Never disclose your Secret Recovery Phrase.</footer>
-<script src="/track.js"></script><script src="/start.js"></script></body></html>
+<script src="/track.js"></script><script src="/start.js"></script><script src="/chat.js" defer></script></body></html>