updates, back and front

backend/app/models.py

@@ -1,5 +1,5 @@
 from .extensions import db
-from datetime import datetime, date
+from datetime import datetime, date, timezone
 
 
 class Project(db.Model):
@@ -11,7 +11,7 @@ class Project(db.Model):
     description = db.Column(db.Text)
     drive_url   = db.Column(db.String(500))
     archived_at = db.Column(db.DateTime, nullable=True)
-    created_at  = db.Column(db.DateTime, default=datetime.utcnow)
+    created_at  = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc))
 
     deliverables = db.relationship(
         'Deliverable',
@@ -49,7 +49,7 @@ class Deliverable(db.Model):
     title      = db.Column(db.String(300), nullable=False)
     due_date   = db.Column(db.Date, nullable=False)
     status     = db.Column(db.String(20), nullable=False, default='upcoming')
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    created_at = db.Column(db.DateTime, default=lambda: datetime.now(timezone.utc))
 
     def effective_status(self):
         """