feat(environment): add get_state() — synchronous EpisodeState snapshot

server/environment.py

@@ -69,7 +69,7 @@ class RedTeamEnvironment:
             for h in self.attack_history[-5:]
         ]
 
-        # ------ Step 3: Call Person 3'LLM pipeline ------
+        # ------ Step 3: Call Person 3's LLM pipeline ------
         if self.llm_pipeline:
             llm_result = await self.llm_pipeline(action, conversation_history)
         else:
@@ -145,3 +145,12 @@ class RedTeamEnvironment:
             observation = observation,
             reward      = reward_result.get("total_reward", 0.0),
         )
+
+    def get_state(self) -> EpisodeState:
+        return EpisodeState(
+            episode_id     = self.episode_id or "none",
+            turn           = self.turn,
+            max_turns      = self.max_turns,
+            attacks_so_far = len(self.attack_history),
+            is_active      = self.is_active,
+        )