WIP: Add conditional questions - backend models and schemas updated

backend/app/models.py

@@ -71,11 +71,18 @@ class Question(Base):
     allow_photos = Column(Boolean, default=True)
     max_photos = Column(Integer, default=3)
     requires_comment_on_fail = Column(Boolean, default=False)
+    
+    # Conditional logic
+    parent_question_id = Column(Integer, ForeignKey("questions.id"), nullable=True)
+    show_if_answer = Column(String(50), nullable=True)  # Valor que dispara esta pregunta
+    
     created_at = Column(DateTime(timezone=True), server_default=func.now())
     
     # Relationships
     checklist = relationship("Checklist", back_populates="questions")
     answers = relationship("Answer", back_populates="question")
+    subquestions = relationship("Question", backref="parent", remote_side=[id])
+
 
 
 class Inspection(Base):