updated to get card name

app/models/player_user.py

@@ -0,0 +1,37 @@
+"""Player user model for managing user codes and names."""
+from datetime import datetime
+
+from app.extensions import db
+
+
+class PlayerUser(db.Model):
+    """Player user model for managing user codes and names globally.
+    
+    Attributes:
+        id: Primary key
+        user_code: User code received from player (unique)
+        user_name: Display name for the user
+        created_at: Record creation timestamp
+        updated_at: Record update timestamp
+    """
+    __tablename__ = 'player_user'
+    
+    id = db.Column(db.Integer, primary_key=True)
+    user_code = db.Column(db.String(255), nullable=False, unique=True, index=True)
+    user_name = db.Column(db.String(255), nullable=True)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    
+    def __repr__(self) -> str:
+        """String representation of PlayerUser."""
+        return f'<PlayerUser {self.user_code} -> {self.user_name or "Unnamed"}>'
+    
+    def to_dict(self) -> dict:
+        """Convert to dictionary for API responses."""
+        return {
+            'id': self.id,
+            'user_code': self.user_code,
+            'user_name': self.user_name,
+            'created_at': self.created_at.isoformat() if self.created_at else None,
+            'updated_at': self.updated_at.isoformat() if self.updated_at else None,
+        }