fix: rotación de jugadores en robo fallido/pasado

- Cuando un equipo falla el robo, avanza su índice de jugador
- Cuando un equipo pasa el robo, también avanza su índice
- El turno vuelve correctamente al equipo original

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/services/game_manager.py

@@ -136,6 +136,12 @@ class GameManager:
                             q["answered"] = True
                             break
 
+                # Advance stealing team's player index (they had their turn)
+                team_players = room["teams"][stealing_team]
+                room["current_player_index"][stealing_team] = (
+                    room["current_player_index"][stealing_team] + 1
+                ) % len(team_players)
+
                 # Original team chooses next
                 room["current_team"] = "B" if stealing_team == "A" else "A"
                 room["current_question"] = None
@@ -192,8 +198,15 @@ class GameManager:
                     q["answered"] = True
                     break
 
+        # The team that passed on steal - advance their player index
+        passing_team = room["current_team"]
+        team_players = room["teams"][passing_team]
+        room["current_player_index"][passing_team] = (
+            room["current_player_index"][passing_team] + 1
+        ) % len(team_players)
+
         # Switch back to original team for next selection
-        room["current_team"] = "B" if room["current_team"] == "A" else "A"
+        room["current_team"] = "B" if passing_team == "A" else "A"
         room["current_question"] = None
         room["can_steal"] = False