diff --git a/backend/app/api/routers/rooms.py b/backend/app/api/routers/rooms.py
index c9850a0..c97f752 100644
--- a/backend/app/api/routers/rooms.py
+++ b/backend/app/api/routers/rooms.py
@@ -26,8 +26,11 @@ async def broadcast_filtered_states(room_id: str, service: GameService):
     # Fetch presence for all players once
     presence_map = await service.get_all_player_presence(room_id, list(game.players.keys()))
 
+    # Optimize: Pre-calculate full schema once
+    full_schema = game.to_schema()
+
     async def get_view(player_id: str):
-        return await service.get_player_view(game, player_id, presence_map)
+        return await service.get_player_view(game, player_id, presence_map, full_schema=full_schema)
 
     await websocket_manager.broadcast_filtered_game_states(room_id, get_view)
 
diff --git a/backend/app/models/game.py b/backend/app/models/game.py
index b43d2d9..d64fa22 100644
--- a/backend/app/models/game.py
+++ b/backend/app/models/game.py
@@ -152,12 +152,16 @@ def to_schema(self) -> GameStateSchema:
         )
 
     # ===== View Logic =====
-    def get_view_for_player(self, viewer_id: str) -> GameStateSchema:
+    def get_view_for_player(
+        self, viewer_id: str, full_schema: GameStateSchema | None = None
+    ) -> GameStateSchema:
         """
         Create a filtered view of the game state for a specific player.
         Hides roles and actions based on game rules.
         """
-        full_schema = self.to_schema()
+        if full_schema is None:
+            full_schema = self.to_schema()
+
         is_game_over = full_schema.phase == GamePhase.GAME_OVER
 
         viewer = self.players.get(viewer_id)
@@ -258,11 +262,8 @@ def get_view_for_player(self, viewer_id: str) -> GameStateSchema:
                             self._state, pid
                         )
 
-        full_schema.players = filtered_players
-        # Never expose the raw seer reveal map
-        full_schema.seer_reveals = {}
-
-        return full_schema
+        # Create a copy with filtered players and clean sensitive data
+        return full_schema.model_copy(update={"players": filtered_players, "seer_reveals": {}})
 
     def auto_balance_roles(self):
         """Automatically set default role distribution based on player count."""
diff --git a/backend/app/services/game_service.py b/backend/app/services/game_service.py
index b45c062..7657b1f 100644
--- a/backend/app/services/game_service.py
+++ b/backend/app/services/game_service.py
@@ -38,11 +38,15 @@ async def get_all_player_presence(self, room_id: str, player_ids: list[str]) ->
         return {pid: presence_results[i] is not None for i, pid in enumerate(player_ids)}
 
     async def get_player_view(
-        self, game: Game, player_id: str, presence_map: dict[str, bool] | None = None
+        self,
+        game: Game,
+        player_id: str,
+        presence_map: dict[str, bool] | None = None,
+        full_schema: GameStateSchema | None = None,
     ) -> GameStateSchema:
         """Return game state with other players' roles hidden unless revealed."""
         # Delegate logic to model
-        view = game.get_view_for_player(player_id)
+        view = game.get_view_for_player(player_id, full_schema=full_schema)
         player_ids = list(view.players.keys())
 
         # Optimize: if no players, skip redis