Update app/models.py

app/models.py

@@ -160,6 +160,7 @@ class Producer(Base):
     suffix   = Column(Integer, nullable=False)            # 1 or 2
     name     = Column(String(200), nullable=False)        # display name
     is_active = Column(Boolean, default=True)
+    email = Column(String(255), nullable=True)
 
 
 class Client(Base):
@@ -208,6 +209,7 @@ class Approval(Base):
     status          = Column(String(20), default="pending")  # pending | approved | rejected
     responded_at    = Column(DateTime, nullable=True)
     reminder_sent   = Column(DateTime, nullable=True)
+    approval_token = Column(String(64), unique=True, nullable=True, index=True)
 
     submission = relationship("IntakeSubmission", back_populates="approvals")