fix(hub): add section icons and color PnL in AI summary table

Show emoji headings for overview, accounts, alerts, and data notes; apply green/red styling to table PnL columns.

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/static/index.html

@@ -288,6 +288,6 @@
   <script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"></script>
   <script src="/assets/chart.js?v=20260604-upnl-contracts"></script>
   <script src="/assets/ai_review_render.js?v=2"></script>
-  <script src="/assets/app.js?v=20260606-hub-ai-table"></script>
+  <script src="/assets/app.js?v=20260606-hub-ai-sec"></script>
 </body>
 </html>