Create veto.py

veto.py

@@ -0,0 +1,33 @@
+from typing import Dict, Any, Tuple
+from config import (
+    VETO_VOLUME_MIN_SCORE,
+    VETO_VOLATILITY_MAX,
+    VETO_STRUCTURE_MIN_SCORE,
+)
+
+
+def apply_veto(
+    regime_data: Dict[str, Any],
+    volume_data: Dict[str, Any],
+    structure_score: float,
+) -> Tuple[bool, str]:
+    reasons = []
+
+    volume_score = volume_data.get("volume_score", 0.0)
+    if volume_score < VETO_VOLUME_MIN_SCORE:
+        reasons.append(f"volume_weak (score={volume_score:.2f})")
+
+    vol_ratio = regime_data.get("vol_ratio", 1.0)
+    if vol_ratio > VETO_VOLATILITY_MAX:
+        reasons.append(f"volatility_extreme (ratio={vol_ratio:.2f})")
+
+    if structure_score < VETO_STRUCTURE_MIN_SCORE:
+        reasons.append(f"structure_conflicting (score={structure_score:.2f})")
+
+    climax = volume_data.get("climax", False)
+    if climax:
+        reasons.append("climax_volume_detected")
+
+    if reasons:
+        return True, "; ".join(reasons)
+    return False, ""