feat: set blind bet by run hands

texas_holdem/service.py

@@ -62,10 +62,29 @@ class GameManager:
         with self._lock:
             return [game.to_dict() for game in self._games.values()]
 
-    def run_hands(self, game_id: str, count: int = 1, until_one_left: bool = False) -> list[dict[str, object]]:
+    def run_hands(
+        self,
+        game_id: str,
+        count: int = 1,
+        until_one_left: bool = False,
+        small_blind: int | None = None,
+        big_blind: int | None = None,
+    ) -> list[dict[str, object]]:
+        """Run ``count`` hands, optionally raising the blinds first.
+
+        ``small_blind`` / ``big_blind`` are forwarded to the engine so the
+        blinds can change between batches. Leaving them as ``None`` keeps
+        the previously configured level, which preserves the original
+        no-argument behaviour.
+        """
         game = self.get_game(game_id)
         with self._lock:
             return [
                 summary.to_dict()
-                for summary in game.run_hands(count, until_one_left=until_one_left)
+                for summary in game.run_hands(
+                    count,
+                    until_one_left=until_one_left,
+                    small_blind=small_blind,
+                    big_blind=big_blind,
+                )
             ]