eliminated some hardcoded values

app/models/account.py

@@ -0,0 +1,25 @@
+from datetime import datetime, timezone
+from sqlalchemy.orm import relationship
+from app.extensions import db
+
+
+class Account(db.Model):
+    __tablename__ = 'accounts'
+
+    id = db.Column(db.String(50), primary_key=True)
+    customer_id = db.Column(db.String(50), nullable=False)
+    account_type = db.Column(db.String(50))
+    status = db.Column(db.String(20), default='active')
+    lien_amount = db.Column(db.Float, default=0.0)
+    created_at = db.Column(db.DateTime, default=datetime.now(timezone.utc))
+    updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))
+
+    customer = relationship(
+        "Customer",
+        primaryjoin="Customer.id == Account.customer_id",
+        foreign_keys=[customer_id],
+        back_populates="accounts",
+    )
+
+    def __repr__(self):
+        return f'<Account {self.id}>'