ajout d'un paneau admin

app/models/backup_record.py

@@ -0,0 +1,21 @@
+"""Records of database backups created through the admin panel."""
+
+from app.extensions import db
+from datetime import datetime
+
+
+class BackupRecord(db.Model):
+    """Metadata for a database backup stored on disk."""
+
+    __tablename__ = 'backup_records'
+
+    id = db.Column(db.Integer, primary_key=True)
+    filename = db.Column(db.String(255), nullable=False)
+    file_path = db.Column(db.String(500), nullable=False)
+    size_bytes = db.Column(db.BigInteger, nullable=True)
+    backup_type = db.Column(db.String(20), default='manual')  # 'manual' or 'auto'
+    notes = db.Column(db.Text, nullable=True)
+    created_by_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=True)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    creator = db.relationship('User', foreign_keys=[created_by_id], backref='backups')