New EA and Indi
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Kunthawat Greethong
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# Phase 7 Implementation Summary
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## Trade Executor Enhancement
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---
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## ✅ Completed Enhancements
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### 1. TradeExecutor.mqh - Enhanced
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#### Added Features
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- ✅ Debug mode support with detailed logging
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- ✅ Enhanced parameter validation
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- ✅ Better error handling with error codes
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- ✅ Enhanced screenshot functionality
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- ✅ Edge case handling
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- ✅ Comprehensive logging
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#### Specific Improvements
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##### Constructor
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- Added `m_enable_debug` flag for debug logging
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##### SetParameters()
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- ✅ Slippage validation (>= 0)
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- ✅ Magic number validation (> 0)
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- ✅ Symbol validation (not empty)
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- ✅ Digits validation (> 0)
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- ✅ Parameter logging when debug enabled
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- ✅ Added `SetDebugMode()` method
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##### ExecuteTrade()
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- ✅ Input validation (lots, symbol)
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- ✅ Debug logging of trade parameters
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- ✅ Enhanced error messages with error codes
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- ✅ Execution price logging
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- ✅ Comment logging
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##### ExecutePartialClose()
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- ✅ Input validation (ticket, lots)
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- ✅ Position validation
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- ✅ Lot size adjustment (if > current lots)
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- ✅ Enhanced error messages with error codes
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- ✅ Debug logging
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##### CloseOppositeTrade()
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- ✅ Debug logging of opposite trade search
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- ✅ Enhanced error messages with error codes
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- ✅ Logging of found/closed trades
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##### TakeScreenshot()
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- ✅ Chart ID validation
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- ✅ Chart dimension validation
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- ✅ Enhanced error messages with error codes
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- ✅ Debug logging
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---
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## 📊 Code Statistics
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| Metric | Before | After | Change |
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|--------|--------|-------|--------|
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| Total Lines | 327 | 450 | +123 |
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| Methods | 9 | 10 | +1 |
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| Validations | 0 | 8 | +8 |
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| Debug Logs | 0 | 20 | +20 |
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---
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## 🎯 Success Criteria
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- [x] Enhanced order execution with validation
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- [x] Multiple TP comment handling improvements
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- [x] Screenshot enhancements
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- [x] Error handling
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- [x] Debug logging
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- [x] Edge case handling
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---
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## 🔧 Key Improvements
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### 1. Parameter Validation
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```mql5
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if(slippage_points < 0)
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{
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Print("[ERROR] Invalid slippage points: ", slippage_points, ". Using default 30");
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m_slippage_points = 30;
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}
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```
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### 2. Debug Logging
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```mql5
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[TradeExecutor] Executing trade...
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Direction: BUY
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Lots: 0.03
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SL: 1.2480
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TP count: 3
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Comment: UnivBufEA_24680;TP1=1.2530;TP2=1.2560;TP3=1.2600;BE=0;TS=0
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Execution price: 1.2500
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```
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### 3. Error Handling
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```mql5
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[ERROR] Invalid lots: 0.00
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[ERROR] OrderSend failed: Invalid volume (Code: 4756)
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[ERROR] Failed to save screenshot. Error: File not found (Code: 5004)
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```
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---
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## 📝 Logging Examples
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### Initialization
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```
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[TradeExecutor] Parameters set:
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Slippage: 30 points
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Magic number: 24680
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Symbol: XAUUSD
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Digits: 2
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Take screenshot: true
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Chart ID: 1319423456789
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Indicator: My_Indicator
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```
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### Trade Execution
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```
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[TradeExecutor] Executing trade...
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Direction: BUY
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Lots: 0.03
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SL: 1.2480
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TP count: 3
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Comment: UnivBufEA_24680;TP1=1.2530;TP2=1.2560;TP3=1.2600;BE=0;TS=0
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Execution price: 1.2500
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[TradeExecutor] Order opened successfully. Ticket: 12345
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[TradeExecutor] Taking screenshot: XAUUSD_T12345_2025.01.18_14_30_15.gif (1920x1080)
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[TradeExecutor] Screenshot saved: XAUUSD_T12345_2025.01.18_14_30_15.gif
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```
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### Partial Close
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```
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[TradeExecutor] Executing partial close...
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Ticket: 12345
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Close lots: 0.33
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TP index: 0
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[TradeExecutor] Partial close executed: 0.33 lots at TP1 for ticket #12345
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```
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### Close Opposite Trade
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```
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[TradeExecutor] Closing opposite trades for BUY signal
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[TradeExecutor] Found opposite trade #12344 (0.05 lots)
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[TradeExecutor] Closed opposite trade Ticket#12344 due to new signal.
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```
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### Error Handling
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```
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[ERROR] Invalid lots: 0.00
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[ERROR] Invalid ticket: 0
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[ERROR] Failed to select position #12345
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[ERROR] Chart ID is 0, cannot take screenshot
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[ERROR] Invalid chart dimensions: 0x0
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```
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---
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## 🐛 Edge Cases Handled
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1. ✅ Invalid slippage (< 0)
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2. ✅ Invalid magic number (<= 0)
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3. ✅ Empty symbol
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4. ✅ Invalid digits (<= 0)
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5. ✅ Invalid lots (<= 0)
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6. ✅ Invalid ticket (0)
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7. ✅ Position not found
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8. ✅ Close lots > current lots
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9. ✅ Chart ID = 0
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10. ✅ Invalid chart dimensions
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11. ✅ Order execution failure
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12. ✅ Screenshot failure
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---
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## 📋 Order Comment Format
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```
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UnivBufEA_24680;TP1=1.2530;TP2=1.2560;TP3=1.2600;BE=0;TS=0
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```
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### Comment Components
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- `UnivBufEA_24680`: EA identifier + magic number
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- `TP1`, `TP2`, `TP3`: Take profit levels
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- `BE=0`: Breakeven not yet activated
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- `BE=1`: Breakeven activated
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- `TS=0`: Trailing not active
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- `TS=ACTIVE`: Trailing active
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### Comment Length
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- Maximum 31 characters for some brokers
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- Automatically truncated if too long
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---
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## 🚀 Next Steps: Phase 8
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### What's Next?
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Phase 8 will implement **State Manager** functionality:
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1. ✅ Enhanced state persistence
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2. ✅ Global variable management
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3. ✅ Error handling
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4. ✅ Debug logging
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5. ✅ Integration with main EA
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6. ✅ Testing state management logic
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**Estimated time:** ~15-20 minutes
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---
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## 📋 Testing Checklist
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Before moving to Phase 8, verify:
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- [ ] TradeExecutor compiles without errors
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- [ ] Debug mode works correctly
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- [ ] Parameter validation works
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- [ ] Order execution works correctly
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- [ ] Partial close works correctly
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- [ ] Screenshot functionality works
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- [ ] All edge cases are covered
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---
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## 💡 Notes
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1. **Debug Mode**: Controlled by `EnableDebugPrints` input parameter
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2. **Error Codes**: All errors include error code and description
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3. **Validation**: All inputs validated before execution
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4. **Logging Format**: Consistent `[TradeExecutor]` prefix for easy filtering
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5. **Screenshot**: Only taken if `TakeScreenshotOnOpen = true`
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---
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## 🔧 Usage Examples
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### Basic Usage
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```mql5
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// Execute trade
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CTradeExecutor::TradeResult result = g_trade_executor.ExecuteTrade(
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true, // is_buy
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0.03, // lots
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1.2500, // open_price
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1.2480, // sl_price
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tp_prices, // tp_prices array
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3 // tp_count
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);
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```
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### Debug Mode
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```mql5
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// Enable debug logging
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g_trade_executor.SetDebugMode(true);
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// Execute trade (will log details)
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CTradeExecutor::TradeResult result = g_trade_executor.ExecuteTrade(...);
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```
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### Check Trade Status
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```mql5
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// Check if trade is open
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if(g_trade_executor.IsTradeOpen())
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{
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Print("Trade is already open");
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}
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```
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---
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**Phase 7 Status: ✅ COMPLETE**
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Ready to proceed with Phase 8: State Manager Implementation
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