feat: improve assessment creation and edition

forms.py

@@ -33,18 +33,5 @@ class StudentForm(FlaskForm):
         super(StudentForm, self).__init__(*args, **kwargs)
         self.class_group_id.choices = [(cg.id, cg.name) for cg in ClassGroup.query.order_by(ClassGroup.name).all()]
 
-class ExerciseForm(FlaskForm):
-    title = StringField('Titre', validators=[DataRequired(), Length(max=200)])
-    description = TextAreaField('Description', validators=[Optional()])
-    order = IntegerField('Ordre', validators=[DataRequired(), NumberRange(min=1)], default=1)
-    submit = SubmitField('Enregistrer')
-
-class GradingElementForm(FlaskForm):
-    label = StringField('Libellé', validators=[DataRequired(), Length(max=200)])
-    description = TextAreaField('Description', validators=[Optional()])
-    skill = StringField('Compétence', validators=[Optional(), Length(max=200)])
-    max_points = FloatField('Barème (points max)', validators=[DataRequired(), NumberRange(min=0.1)], default=1.0)
-    grading_type = SelectField('Type de notation', validators=[DataRequired()], 
-                              choices=[('points', 'Points (ex: 2.5/4)'), ('score', 'Score (0, 1, 2, 3, .)')],
-                              default='points')
-    submit = SubmitField('Enregistrer')
+# Formulaires ExerciseForm et GradingElementForm supprimés
+# Ces éléments sont maintenant gérés via le formulaire unifié AssessmentForm