Tighten TP targets by 20% for faster hits (configurable tp_tightening_factor=0.8)

Applied uniformly across all 3 trade setup functions. Lowered min_rr_ratio
0.5→0.4 proportionally to preserve trade acceptance rate. SL unchanged.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

signal_aggregator.py

@@ -525,6 +525,10 @@ class SignalAggregator:
         sl = price - cfg.sl_atr_multiplier * atr
         tp2 = price + tp_mult * 1.5 * atr
 
+        tf = self.config.signals.tp_tightening_factor
+        tp1 = price + (tp1 - price) * tf
+        tp2 = price + (tp2 - price) * tf
+
         sl_distance = price - sl
         tp_distance = tp1 - price
         rr = tp_distance / sl_distance if sl_distance > 0 else 0
@@ -576,6 +580,10 @@ class SignalAggregator:
             tp2 = price - tp_mult * 1.5 * atr
             direction = "SELL"
 
+        tf = self.config.signals.tp_tightening_factor
+        tp1 = price + (tp1 - price) * tf
+        tp2 = price + (tp2 - price) * tf
+
         sl_distance = abs(price - sl)
         tp_distance = abs(tp1 - price)
         rr = tp_distance / sl_distance if sl_distance > 0 else 0
@@ -931,6 +939,10 @@ class SignalAggregator:
             direction = "SELL"
             entry, sl = price, sl_price
 
+        tf = self.config.signals.tp_tightening_factor
+        tp1 = entry + (tp1 - entry) * tf
+        tp2 = entry + (tp2 - entry) * tf
+
         tp1_distance = abs(tp1 - entry)
         rr = tp1_distance / sl_distance if sl_distance > 0 else 0