added coin cooldown to stop coin chase

config.py

@@ -41,6 +41,10 @@ class Config:
     # Prevents dead money from tying up capital indefinitely.
     max_hold_hours: int = 72
 
+    # Cooldown: hours to wait before re-buying a pair that was just sold.
+    # Prevents immediately re-entering a coin whose momentum has stalled or reversed.
+    sold_cooldown_hours: float = 4.0
+
     # ── Execution ────────────────────────────────────────────────────────────
     # ALWAYS start with paper_trading=True and verify behaviour before going live.
     # Set to False only after you understand the bot's decisions.