feat: Add core trading modules for risk management, backtesting, and execution algorithms, alongside a new ML transparency widget and related frontend dependencies.

docs/DOCUMENTATION_UPDATE_SUMMARY.md

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+# Documentation Update Summary
+
+This document summarizes all documentation updates made to reflect the comprehensive improvement plan implementation.
+
+## Updated Files
+
+### Main Documentation
+
+1. **README.md**
+   - ✅ Updated Features section with all new capabilities
+   - ✅ Enhanced Trading section with advanced order types and execution algorithms
+   - ✅ Updated Backtesting section with walk-forward analysis and Monte Carlo simulation
+   - ✅ Enhanced Risk Management section with VaR, correlation analysis, advanced position sizing
+   - ✅ Updated Portfolio Management section with rebalancing and risk analysis
+   - ✅ Added Trade Journal to UI overview
+   - ✅ Added mobile responsiveness to UI features
+
+### User Manual
+
+2. **docs/user_manual/getting_started.md**
+   - ✅ Updated UI overview to include 7 pages (added Trade Journal)
+   - ✅ Added dashboard widgets (Live P&L, ML confidence, market regime)
+   - ✅ Enhanced trading description with advanced order types
+   - ✅ Updated portfolio description with risk analysis and rebalancing
+   - ✅ Updated backtesting description with advanced features
+
+3. **docs/user_manual/trading.md**
+   - ✅ Added comprehensive "Order Types" section
+   - ✅ Documented all advanced order types (trailing stop, bracket, OCO, iceberg)
+   - ✅ Documented execution algorithms (TWAP/VWAP)
+   - ✅ Added "Trade Journal" section with usage instructions
+   - ✅ Enhanced ML-Based Autopilot features list with new capabilities
+
+4. **docs/user_manual/portfolio.md**
+   - ✅ Added "Advanced Risk Management" section
+   - ✅ Documented Value at Risk (VaR) calculation methods
+   - ✅ Documented Portfolio Correlation Analysis features
+   - ✅ Enhanced "Portfolio Rebalancing" section with trigger types
+
+5. **docs/user_manual/backtesting.md**
+   - ✅ Added "Advanced Backtesting Features" section
+   - ✅ Documented Walk-Forward Analysis with detailed explanation
+   - ✅ Documented Monte Carlo Simulation with use cases
+   - ✅ Enhanced Parameter Optimization section
+
+6. **docs/user_manual/configuration.md**
+   - ✅ Added "Intelligent Autopilot Settings" section
+   - ✅ Documented bootstrap configuration (days, timeframe, samples)
+   - ✅ Documented online learning configuration
+   - ✅ Documented confidence calibration settings
+   - ✅ Added "Advanced Risk Settings" section
+   - ✅ Documented VaR configuration
+   - ✅ Documented correlation analysis settings
+   - ✅ Documented advanced position sizing methods
+   - ✅ Documented portfolio rebalancing configuration
+
+7. **docs/user_manual/README.md** (Table of Contents)
+   - ✅ Added Trade Journal to navigation
+   - ✅ Updated descriptions for backtesting and portfolio
+
+8. **docs/user_manual/trade_journal.md** (NEW)
+   - ✅ Complete guide for Trade Journal feature
+   - ✅ Overview and access instructions
+   - ✅ Trade statistics explanation
+   - ✅ Filtering capabilities documentation
+   - ✅ Trade table column descriptions
+   - ✅ Export functionality guide
+   - ✅ Use cases and tips
+
+### Architecture Documentation
+
+9. **docs/architecture/overview.md**
+   - ✅ Enhanced Risk Management component description
+   - ✅ Added VaR calculator, correlation analyzer to components
+   - ✅ Updated backtesting engine description with new features
+   - ✅ Enhanced portfolio management section
+
+10. **docs/architecture/ui_architecture.md**
+    - ✅ Added "Dashboard Widgets" section
+    - ✅ Documented Live P&L Widget, ML Confidence Widget, Market Regime Widget
+    - ✅ Added "Chart Components" section
+    - ✅ Documented Enhanced Chart with indicators
+    - ✅ Documented Chart Drawing Tools
+    - ✅ Added "Mobile Responsiveness" section
+    - ✅ Documented responsive navigation and layout
+
+### Existing Documentation (Previously Created)
+
+11. **docs/IMPROVEMENT_PLAN_IMPLEMENTATION.md**
+    - ✅ Comprehensive implementation details
+    - ✅ All new modules documented
+    - ✅ Usage examples provided
+
+12. **docs/architecture/ml_improvements.md**
+    - ✅ Complete ML enhancements documentation
+    - ✅ Online learning, confidence calibration, explainability, regime detection
+
+13. **docs/architecture/risk_management.md**
+    - ✅ Enhanced risk management documentation
+    - ✅ VaR, correlation analysis, position sizing
+
+14. **docs/FINAL_IMPLEMENTATION_STATUS.md**
+    - ✅ Complete status of all 25 todos
+    - ✅ New files listing
+
+15. **docs/UI_IMPROVEMENTS_SUMMARY.md**
+    - ✅ UI component status and implementation details
+
+16. **docs/TODO_STATUS_VERIFICATION.md**
+    - ✅ Verification of all completed items
+
+## Documentation Coverage
+
+### Features Documented
+
+✅ **Trading Features**
+- Basic order types
+- Advanced order types (trailing stop, bracket, OCO, iceberg)
+- Execution algorithms (TWAP/VWAP)
+- Trade Journal
+
+✅ **Risk Management**
+- Value at Risk (VaR) - all methods
+- Portfolio correlation analysis
+- Advanced position sizing
+- Portfolio rebalancing
+
+✅ **Backtesting**
+- Walk-forward analysis
+- Monte Carlo simulation
+- Parameter optimization
+
+✅ **Machine Learning**
+- Online learning
+- Confidence calibration
+- Model explainability (SHAP)
+- Advanced regime detection
+- Bootstrap configuration
+
+✅ **UI Features**
+- Dashboard widgets
+- Chart indicators
+- Chart drawing tools
+- Mobile responsiveness
+- Trade Journal page
+
+## Documentation Structure
+
+```
+docs/
+├── user_manual/
+│   ├── getting_started.md ✅ Updated
+│   ├── trading.md ✅ Updated
+│   ├── portfolio.md ✅ Updated
+│   ├── backtesting.md ✅ Updated
+│   ├── configuration.md ✅ Updated
+│   ├── trade_journal.md ✅ NEW
+│   └── README.md ✅ Updated
+├── architecture/
+│   ├── overview.md ✅ Updated
+│   ├── ui_architecture.md ✅ Updated
+│   ├── risk_management.md ✅ Updated (previously)
+│   └── ml_improvements.md ✅ Created (previously)
+├── IMPROVEMENT_PLAN_IMPLEMENTATION.md ✅ Created (previously)
+├── FINAL_IMPLEMENTATION_STATUS.md ✅ Created (previously)
+└── README.md ✅ Updated
+```
+
+## Key Documentation Highlights
+
+### User-Facing Documentation
+- All new features documented in user manuals
+- Step-by-step guides for new capabilities
+- Configuration options explained
+- Use cases and best practices included
+
+### Developer Documentation
+- Architecture updates reflect new components
+- Technical details for ML improvements
+- Risk management enhancements documented
+- UI architecture with new components
+
+### Reference Documentation
+- Complete feature lists in README
+- Implementation status tracking
+- Verification documentation
+
+## Next Steps for Users
+
+1. Review updated user manuals for new features
+2. Check configuration guide for new settings
+3. Explore Trade Journal for trade analysis
+4. Review portfolio guide for risk management features
+5. Check backtesting guide for advanced analysis methods
+
+## Documentation Quality
+
+- ✅ All new features documented
+- ✅ User-facing guides updated
+- ✅ Architecture documentation current
+- ✅ Configuration options explained
+- ✅ Examples and use cases provided
+- ✅ Cross-references maintained
+- ✅ Consistent formatting and style