Implementacion modal ticket 1

backend/add_relation.py

@@ -0,0 +1,21 @@
+with open("/app/app/models/ticket.py", "r") as f:
+    content = f.read()
+
+old = '    def __repr__(self) -> str:\n        return f"<Ticket(id={self.id}, number=\'{self.ticket_number}\', status={self.status})>"'
+new = '''    participants: Mapped[list["TicketParticipant"]] = relationship(
+        "TicketParticipant",
+        back_populates="ticket",
+        cascade="all, delete-orphan"
+    )
+
+    def __repr__(self) -> str:
+        return f"<Ticket(id={self.id}, number=\'{self.ticket_number}\', status={self.status})>"'''
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK: relacion participants agregada")
+else:
+    print("ERROR: bloque no encontrado")
+
+with open("/app/app/models/ticket.py", "w") as f:
+    f.write(content)