fix(audit): centraliser l'horloge UTC

app/models/org_team/org_team.py

@@ -1,9 +1,8 @@
 """Persistent organisation team (e.g. Varsity, JV)."""
 
-from datetime import datetime
-
 from app.extensions import db
 from app.models._associations import org_team_coaches, org_team_managers
+from app.time_utils import utc_now_naive
 
 
 class OrgTeam(db.Model):
@@ -13,7 +12,7 @@ class OrgTeam(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(100), nullable=False, unique=True)
     created_by = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+    created_at = db.Column(db.DateTime, default=utc_now_naive)
 
     coach_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=True)
     manager_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=True)