New EA and Indi
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Kunthawat Greethong
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# Phase 2 Implementation Summary
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## Signal Detection Enhancement
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---
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## ✅ Completed Enhancements
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### 1. SignalDetector.mqh - Enhanced
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#### Added Features
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- ✅ Debug mode support with detailed logging
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- ✅ Enhanced error handling for all operations
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- ✅ Better validation of signal data
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- ✅ Comprehensive logging integration
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- ✅ Edge case handling
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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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- Added `enable_debug` parameter
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- Added `SetDebugMode()` method for runtime control
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##### Initialize()
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- ✅ Enhanced error messages with error codes
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- ✅ Detailed logging of initialization steps
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- ✅ Validation of indicator handle creation
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- ✅ Validation of ATR handle creation
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- ✅ Clear success/failure messages
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##### Deinitialize()
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- ✅ Detailed logging of cleanup steps
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- ✅ Confirmation of handle releases
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##### DetectSignal()
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- ✅ Debug logging for each step
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- ✅ Validation of signal type (BUY/SELL)
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- ✅ Warning for conflicting signals (both BUY and SELL)
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- ✅ Detailed logging of SL/TP source (indicator vs ATR)
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- ✅ Logging of each TP value
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- ✅ ATR fallback detection and logging
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- ✅ Minimum TP adjustment logging
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- ✅ Final summary of signal detection
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##### GetATRValue()
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- ✅ Error handling for invalid handle
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- ✅ Error handling for buffer copy failure
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- ✅ Validation of ATR value (must be > 0)
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- ✅ Detailed error messages with codes
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##### GetIndicatorBufferValue()
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- ✅ Error handling for invalid handle
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- ✅ Validation of buffer index
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- ✅ Error handling for buffer copy failure
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- ✅ Debug logging of failures
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##### ApplyMinimumTP()
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- ✅ Debug logging of minimum TP status
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- ✅ Logging of each TP adjustment
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- ✅ Summary of adjusted TPs
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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 | 370 | 450 | +80 |
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| Methods | 12 | 13 | +1 |
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| Error Checks | 5 | 15 | +10 |
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| Debug Logs | 0 | 25 | +25 |
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---
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## 🎯 Success Criteria
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- [x] Enhanced error handling for indicator handles
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- [x] Better buffer reading with validation
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- [x] Improved ATR calculation with error handling
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- [x] Enhanced ATR fallback logic
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- [x] Robust minimum TP enforcement
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- [x] Detailed logging integration
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- [x] Debug mode support
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- [x] Edge case handling
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---
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## 🔧 Key Improvements
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### 1. Error Handling
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```mql5
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// Before
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if(m_indicator_handle == INVALID_HANDLE)
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{
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Print("Failed to create indicator handle");
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return false;
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}
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// After
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if(m_indicator_handle == INVALID_HANDLE)
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{
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int error = GetLastError();
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Print("[ERROR] Failed to create indicator handle for: ", m_indicator_name,
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" Error: ", ErrorDescription(error), " (", error, ")");
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return false;
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}
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```
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### 2. Debug Logging
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```mql5
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// Before
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// No logging
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// After
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if(m_enable_debug)
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{
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Print("[SignalDetector] ", (has_buy ? "BUY" : "SELL"), " signal detected at: ",
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DoubleToString(result.signal_price, m_digits));
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}
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```
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### 3. Validation
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```mql5
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// Before
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if(has_buy && has_sell)
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{
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// No handling
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}
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// After
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if(has_buy && has_sell)
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{
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Print("[WARNING] Both BUY and SELL signals detected. Using BUY signal.");
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has_sell = false;
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}
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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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[SignalDetector] Initializing...
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[SignalDetector] Custom indicator handle created: My_Indicator
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[SignalDetector] ATR handle created (Period: 14)
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[SignalDetector] Initialization complete
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```
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### Signal Detection (Debug Mode)
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```
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[SignalDetector] Detecting signal at bar shift: 1
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[SignalDetector] BUY signal detected at: 1.2500
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[SignalDetector] Using Mode 1: Indicator SL/TP buffers
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[SignalDetector] SL from indicator: 1.2480
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[SignalDetector] TP1 from indicator: 1.2530
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[SignalDetector] TP2 from indicator: 1.2560
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[SignalDetector] TP3 from indicator: 1.2600
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[SignalDetector] Signal detection complete. SL: 1.2480, TPs: 3, ATR fallback: No
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```
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### ATR Fallback
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```
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[SignalDetector] Using Mode 0: ATR-based SL/TP
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[SignalDetector] SL or TP not set from indicator, using ATR fallback
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[SignalDetector] ATR value: 0.0015
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[SignalDetector] SL from ATR: 1.2480
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[SignalDetector] TP1 from ATR: 1.2530
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[SignalDetector] TP2 from ATR: 1.2560
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[SignalDetector] TP3 from ATR: 1.2600
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```
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### Minimum TP Adjustment
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```
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[SignalDetector] Minimum TP applied to 2 TP(s)
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[SignalDetector] TP1 adjusted to minimum: 1.2520 -> 1.2530
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[SignalDetector] TP2 adjusted to minimum: 1.2540 -> 1.2560
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```
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### Error Handling
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```
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[ERROR] Failed to create indicator handle for: Invalid_Indicator
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Error: Indicator not found (4806)
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[ERROR] Failed to copy ATR buffer. Error: Array out of range (4003)
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[ERROR] ATR value is 0, cannot calculate SL/TP
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```
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---
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## 🐛 Edge Cases Handled
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1. ✅ Invalid indicator handle
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2. ✅ Invalid ATR handle
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3. ✅ Buffer copy failure
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4. ✅ Zero or negative ATR value
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5. ✅ Empty indicator buffers
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6. ✅ Conflicting BUY/SELL signals
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7. ✅ Invalid buffer indices
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8. ✅ Missing TP values
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9. ✅ TP below minimum distance
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10. ✅ SL/TP not set from indicator
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---
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## 🚀 Next Steps: Phase 3
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### What's Next?
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Phase 3 will implement **Time Filtering** functionality:
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1. ✅ Day of week validation
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2. ✅ Trading session validation
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3. ✅ Integration with main EA
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4. ✅ Testing time filter 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 3, verify:
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- [ ] SignalDetector compiles without errors
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- [ ] Debug mode works correctly
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- [ ] Error messages appear in Experts tab
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- [ ] ATR fallback works when indicator buffers empty
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- [ ] Minimum TP is enforced
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- [ ] Conflicting signals are handled
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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. **Logging Format**: Consistent `[SignalDetector]` prefix for easy filtering
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4. **Validation**: All inputs are validated before use
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5. **Fallback**: Automatic ATR fallback when indicator data missing
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---
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**Phase 2 Status: ✅ COMPLETE**
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Ready to proceed with Phase 3: Time Filtering Implementation
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