Adding completed_at and winners to g ames

backend/models.py

@@ -114,6 +114,8 @@ class Game(db.Model):
     current_question_index = db.Column(db.Integer, default=0)  # Track current question
     is_template = db.Column(db.Boolean, default=False)  # Mark as reusable template
     current_turn_team_id = db.Column(db.Integer, db.ForeignKey('teams.id'), nullable=True)  # Track whose turn it is
+    completed_at = db.Column(db.DateTime, nullable=True)  # When game ended
+    winners = db.Column(db.JSON, nullable=True)  # [{"team_name": str, "score": int}, ...]
 
     # Relationships
     teams = db.relationship('Team', back_populates='game', cascade='all, delete-orphan',
@@ -146,7 +148,9 @@ class Game(db.Model):
             'total_questions': len(self.game_questions),
             'is_template': self.is_template,
             'current_turn_team_id': self.current_turn_team_id,
-            'current_turn_team_name': self.current_turn_team.name if self.current_turn_team else None
+            'current_turn_team_name': self.current_turn_team.name if self.current_turn_team else None,
+            'completed_at': self.completed_at.isoformat() if self.completed_at else None,
+            'winners': self.winners
         }
 
         if include_questions:
@@ -194,7 +198,7 @@ class Team(db.Model):
     phone_a_friend_count = db.Column(db.Integer, default=5)  # Number of phone-a-friend lifelines
 
     # Relationships
-    game = db.relationship('Game', back_populates='teams')
+    game = db.relationship('Game', back_populates='teams', foreign_keys=[game_id])
     scores = db.relationship('Score', back_populates='team', cascade='all, delete-orphan')
 
     @property