Update rota configuration for February 2026 and refine shift constraints handling

rota_generator/shifts.py

@@ -126,6 +126,7 @@ class RequireRemoteSitePresenceConstraint(BaseShiftConstraint):
 
 class MaxShiftsPerWeekConstraint(BaseShiftConstraint):
     max_shifts: int | None = None
+    days: Optional[List[str]] = None
 
 class MaxShiftsPerWeekBlockConstraint(BaseShiftConstraint):
     week_block : int
@@ -2788,20 +2789,19 @@ class RotaBuilder(object):
                         shift_number = constraint.max_shifts
                     else:
                         shift_number = constraint_shift.get_shift_number()
-
                     try:
+                        # If the constraint specifies particular days, only count those days,
+                        # otherwise count the shift's own days.
+                        constraint_days = (
+                            constraint.days if constraint.days is not None else self.days
+                        )
+
                         self.model.constraints.add(
                             shift_number
                             >= sum(
-                                self.model.works[
-                                    worker.id, w, day, constraint_shift.name
-                                ]
-                                # for shiftname in self.get_shift_names_by_week_day(week, day)
-                                # for day in self.days
-                                for w, day in self.get_week_day_combinations_for_shift(
-                                    constraint_shift
-                                )
-                                if w == week
+                                self.model.works[worker.id, w, day, constraint_shift.name]
+                                for w, day in self.get_week_day_combinations_for_shift(constraint_shift)
+                                if w == week and day in constraint_days
                             )
                         )
                     except ValueError: