Update codex/formulas.py

codex/formulas.py

@@ -1,10 +1,27 @@
+# Author: Liam Grinstead
+# Dynamic GVU-modulated fitness evaluation
+
 class Formula:
     def __init__(self, expression):
         self.expression = expression
 
     def evaluate(self, agent):
-        # Placeholder: real symbolic evaluation logic goes here
-        return 19.8919 if agent['tier'] == "Tier_6" else 16.27
+        # Extract collapse torque score
+        torque_score = agent.get("collapse_overlay", {}).get("score", 10)
+
+        # Parse tier level from "Tier_X"
+        tier = agent.get("tier", "Tier_1")
+        tier_level = int(tier.split("_")[1]) if "_" in tier else 1
+
+        # Emotional resonance multiplier
+        resonance_bonus = 1.5 if agent.get("emotional_resonance") else 1.0
+
+        # Count symbolic operators
+        operator_count = len(agent.get("symbolic_operators", []))
+
+        # Final fitness score
+        score = (torque_score * resonance_bonus) + (tier_level * 0.75) + (operator_count * 0.1)
+        return round(score, 4)
 
 GVU_FORMULAS = {
     "Formula_20": Formula("−τ_eff / (τ_c + 19/20) ⋅ P_standard ⋅ τ_eff ⋅ ℯ ⋅ |grad_R_O − grad_T_P| / GVU")