feat(environment): append turn data to attack_history after each step

server/environment.py

@@ -99,4 +99,16 @@ class RedTeamEnvironment:
                 "feedback":     "[Mock] Reward system not connected.",
                 "safety_flagged": False,
             }
+
+        # ------ Step 5: Record this turn in history ------
+        self.attack_history.append({
+            "turn":                    self.turn,
+            "strategy_type":           action.strategy_type.value,
+            "target_category":         action.target_category.value,
+            "intensity":               action.intensity,
+            "framing":                 action.framing,
+            "attack_success_estimate": llm_result.get("attack_success", 0.0),
+            "defense_score":           llm_result.get("defense_score", 1.0),
+            "novelty_score":           reward_result.get("novelty_score", 0.5),
+        })
         return None # Placeholder