Reorganize UI for external trading workflow with manual trade logging
- Restructure tabs to analysis-focused workflow:
* Analysis Hub: AI analysis, risk management, manual trade logger
* Daily Prep: Market summary, alerts, checklist, news, trading plan
* Journal & Review: Trading journal, habit tracker, advanced analytics
* Live Charts: Technical analysis with streaming charts
- Add ManualTradeLogger component for logging trades from MT5/TradingView/cTrader
- Remove execution-focused components (TradeControls, PortfolioTracker)
- Update XAU/USD price to realistic ,084.99
- Add indicator preferences and AI plan service
- Add comprehensive documentation on decision coverage and implementation