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

docs/user_manual/trade_journal.md

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+# Trade Journal Guide
+
+The Trade Journal provides comprehensive analysis of your trading history with advanced filtering, statistics, and export capabilities.
+
+## Overview
+
+The Trade Journal page (`/journal`) allows you to:
+
+- View complete trade history across all symbols and order types
+- Filter trades by status, side, symbol, and date range
+- Analyze trade statistics and performance metrics
+- Export trade data to CSV for external analysis
+- Track fees, volumes, and win rates
+
+## Accessing the Trade Journal
+
+1. Navigate to the **Trade Journal** page from the main navigation menu
+2. The journal displays all trades for the selected trading mode (Paper or Live)
+
+## Trade Statistics
+
+The Trade Journal displays key statistics at the top of the page:
+
+- **Total Trades**: Number of all trades matching current filters
+- **Filled Trades**: Number of successfully executed trades
+- **Total Volume**: Sum of all trade quantities
+- **Total Fees**: Cumulative fees paid across all trades
+
+## Filtering Trades
+
+Use the filter panel to narrow down your trade history:
+
+### Status Filter
+- All
+- Filled
+- Open
+- Pending
+- Cancelled
+- Rejected
+
+### Side Filter
+- All
+- Buy
+- Sell
+
+### Symbol Filter
+- Enter symbol name to search (e.g., "BTC/USD")
+- Partial matching supported
+
+### Date Range Filter
+- **Start Date**: Filter trades from this date onwards
+- **End Date**: Filter trades up to this date
+- Both fields optional; leave empty to show all dates
+
+### Trading Mode Toggle
+- Switch between Paper Trading and Live Trading data
+
+## Trade Table
+
+The trade table displays detailed information for each trade:
+
+- **ID**: Unique order identifier
+- **Symbol**: Trading pair (e.g., BTC/USD)
+- **Side**: Buy or Sell (color-coded chips)
+- **Type**: Order type (Market, Limit, Stop Loss, Trailing Stop, etc.)
+- **Quantity**: Order size
+- **Price**: Limit price (or "Market" for market orders)
+- **Status**: Current order status (color-coded chips)
+- **Filled**: Quantity that has been executed
+- **Fee**: Trading fee for this order
+- **Created At**: Timestamp when order was placed
+
+## Exporting Data
+
+To export trade data:
+
+1. Apply desired filters to narrow down trades
+2. Click the **Export CSV** button
+3. A CSV file will download with all filtered trades
+4. File name includes date: `trade_journal_YYYY-MM-DD.csv`
+
+The CSV includes all columns from the trade table for easy analysis in Excel, Google Sheets, or other tools.
+
+## Use Cases
+
+### Performance Analysis
+- Filter by filled trades to analyze executed strategy performance
+- Use date range to analyze performance over specific periods
+- Compare buy vs sell trade performance
+
+### Fee Tracking
+- View total fees to understand trading costs
+- Filter by symbol to see fees per trading pair
+- Export to calculate tax implications
+
+### Strategy Review
+- Filter by order type to analyze strategy effectiveness
+- Review cancelled/rejected orders to identify issues
+- Track order types used in different market conditions
+
+### Reporting
+- Export data for tax reporting
+- Create custom reports in spreadsheet software
+- Track compliance with trading limits
+
+## Tips
+
+- Use multiple filters together for precise analysis
+- Export data regularly for backup and external analysis
+- Review rejected/cancelled orders to identify systematic issues
+- Compare paper and live trading statistics separately