feat: Add Trend Reversal Detector with multi-signal analysis

New features:
- Reversal Detector with 5 detection signals:
  - RSI Divergence (bearish/bullish)
  - EMA Slope Change detection
  - Volume Spike analysis
  - Candlestick patterns (Doji, Engulfing, Hammer, Pin Bar)
  - Break of Structure detection
- Integrated into enhanced_trading_check_wrapper (SCHRITT 2.5)
- Defensive mode: blocks trades at 70%+ reversal score
- Lot size reduction at 30-69% reversal score
- Enable Overlap session (13:00-16:00 UTC)

Files added:
- reversal_detector.py: Core detection algorithms
- reversal_integration.py: Bot integration wrapper
- REVERSAL_DETECTOR_INTEGRATION.md: Documentation

Modified:
- TradingBot notebook: Added reversal check integration
- session_filter_patch.py: Enabled overlap session

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

session_filter_patch.py

@@ -20,10 +20,10 @@ PERFORMANCE-IMPACT:
 SESSION_WHITELIST_CONFIG = {
     # Welche Sessions erlauben?
     'enabled_sessions': {
-        'asian': True,    # ✅ BESTE SESSION: 97.8% Win-Rate, $151/Trade
-        'london': False,   # ❌ BLOCKIERT: 12.5% Win-Rate, -$10/Trade
-        'overlap': False,  # ❌ BLOCKIERT: 14.3% Win-Rate, -$7/Trade
-        'ny': True,        # ✅ AKTIV: 43.3% Win-Rate, aber profitabel ($48/Trade)
+        'asian': True,    # ✅ BESTE SESSION: 54.2% Win-Rate, +$21/Trade
+        'london': False,   # ❌ BLOCKIERT: 46.9% Win-Rate, +$8/Trade
+        'overlap': True,   # ✅ TEST: Aktiviert 29.01.2026 mit V1.6 Adaptive
+        'ny': True,        # ✅ AKTIV: 49.1% Win-Rate, +$6/Trade
     },
 
     # Session-spezifische Confidence Thresholds (NEU 26.12.2025)