Local changes: Updated model training, removed debug instrumentation, and configuration improvements

docs/frontend_changes_summary.md

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+# Frontend UI Enhancement Summary
+
+This document summarizes the comprehensive frontend enhancements completed to ensure all documented features are accessible in the UI and improve UX transparency.
+
+## New Pages Added
+
+### 1. Strategy Management Page (`/strategies`)
+- Full CRUD operations for strategies
+- Create, edit, delete strategies
+- Start/stop strategy controls
+- Parameter configuration UI for all strategy types (RSI, MACD, Moving Average, Confirmed, Divergence, Bollinger, Consensus, DCA, Grid, Momentum)
+- Strategy status indicators
+- Performance metrics display
+
+### 2. Manual Trading Page (`/trading`)
+- Order placement form with all order types (Market, Limit, Stop Loss, Take Profit, Trailing Stop, OCO, Iceberg)
+- Active orders table with cancel functionality
+- Order history with filters
+- Position management with close position functionality
+- Real-time order and position updates
+
+## Enhanced Existing Pages
+
+### Dashboard
+- System health indicators (WebSocket, Database, Exchange connections)
+- Operations panel showing running operations
+- Data freshness indicators
+- Enhanced error handling with retry options
+- Loading states for all async operations
+- Real-time status updates
+
+### Portfolio
+- Position closing interface
+- Portfolio allocation pie charts
+- Data freshness indicators
+- Enhanced export functionality with success/error feedback
+- Card-based position view with detailed P&L
+
+### Backtesting
+- Progress overlay for long-running backtests
+- Operations panel integration
+- Enhanced error messages
+- Info card about parameter optimization (requires backend API)
+
+### Settings
+- Alert history view showing triggered alerts
+- Enhanced exchange management with status indicators
+- Better connection testing with detailed feedback
+- Improved error handling throughout
+
+## New Components Created
+
+### UX Components
+- `LoadingSkeleton` - Loading placeholders for tables, cards, lists
+- `ProgressOverlay` - Overlay with progress indicator for long operations
+- `ErrorDisplay` - Enhanced error display with retry functionality
+- `StatusIndicator` - Connection status indicators
+- `SystemHealth` - System health dashboard widget
+- `DataFreshness` - Timestamp indicators showing data age
+- `HelpTooltip` - Contextual help tooltips
+- `InfoCard` - Collapsible information cards
+- `OperationsPanel` - Panel showing running operations and progress
+
+### Feature Components
+- `StrategyDialog` - Create/edit strategy dialog with tabs
+- `StrategyParameterForm` - Dynamic parameter forms for each strategy type
+- `OrderForm` - Order placement form with all order types
+- `PositionCard` - Position display card with close functionality
+- `AlertHistory` - Alert history table component
+
+## Infrastructure Improvements
+
+### Error Handling
+- Replaced all `alert()` calls with Snackbar notifications
+- Created `SnackbarContext` for global error/success messaging
+- Added error boundaries with recovery options
+- Inline validation errors in forms
+
+### Real-time Updates
+- Enhanced WebSocket hook with message type handling
+- Created `useRealtimeData` hook for automatic query invalidation
+- Message subscription system for different event types
+- Real-time updates for orders, positions, prices, alerts, strategy signals
+
+### State Management
+- Better loading states throughout
+- Progress indicators for long operations
+- Data freshness tracking
+- Operation visibility
+
+## Navigation Updates
+
+- Added "Strategies" menu item
+- Added "Trading" menu item
+- Improved navigation organization
+
+## Testing Notes
+
+The following areas should be tested:
+
+1. **Strategy Management**
+   - Create/edit/delete strategies
+   - Start/stop strategies
+   - Parameter validation
+   - Strategy type switching
+
+2. **Trading**
+   - Order placement (all order types)
+   - Order cancellation
+   - Position closing
+   - Real-time updates
+
+3. **Real-time Features**
+   - WebSocket connection/reconnection
+   - Message handling
+   - Query invalidation on updates
+
+4. **Error Handling**
+   - Network errors
+   - Validation errors
+   - Backend errors
+   - Retry functionality
+
+5. **Loading States**
+   - Skeleton loaders
+   - Progress overlays
+   - Button disabled states
+
+## Documentation Updates Needed
+
+1. **User Manual Updates**
+   - Add Strategy Management section
+   - Add Manual Trading section
+   - Update Dashboard documentation
+   - Update Portfolio documentation with new features
+   - Update Settings documentation with alert history
+
+2. **API Documentation**
+   - Document WebSocket message types
+   - Document new endpoints if any
+   - Update response schemas
+
+3. **Developer Documentation**
+   - Component architecture
+   - State management patterns
+   - WebSocket integration guide
+   - Error handling patterns
+
+## Known Limitations
+
+1. **Parameter Optimization**: UI structure is in place, but requires backend API endpoints for optimization methods (Grid Search, Genetic Algorithm, Bayesian Optimization)
+
+2. **Advanced Order Types**: OCO and Iceberg orders have UI support but may need backend implementation verification
+
+3. **Exchange Status**: Exchange connection status is displayed but may need backend health check endpoints for accurate status
+