The Live Trading control stored its mode in localStorage, so the shell could
claim live money while the bot was in dry-run. Show the Tradingbot status
when TRADING_BOT_URL is set, and an unknown state when it is not.
Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: cynarAI <cynarAI@users.noreply.github.com>
