Deep CFR 무제한 학습 config 추가

src/coolrl_lost_cities/games/classic/deep_cfr/config.py

@@ -18,7 +18,7 @@ class StrictModel(BaseModel):
 
 class RunConfig(StrictModel):
     experiment_name: str = "deep_cfr"
-    iterations: int = 1
+    iterations: int | None = 1
     max_iterations: int | None = None
     max_hours: float | None = None
     seed: int = 1

src/coolrl_lost_cities/games/classic/deep_cfr/trainer.py

@@ -534,6 +534,8 @@ class DeepCFRTrainer:
             return max(self.iteration, int(self.config.run.max_iterations))
         if self.config.run.max_hours is not None:
             return 2**31 - 1
+        if self.config.run.iterations is None:
+            return 2**31 - 1
         return self.iteration + self.config.run.iterations
 
     def _time_limit_reached(self, run_started: float) -> bool: