Bugfixes in dashboard and calendar

backend/app/services/planning_service.py

@@ -91,3 +91,25 @@ class PlanningService:
         if entity is None:
             raise NotFoundError(f"PlannedLeaveDay {planned_leave_day_id} not found")
         return entity
+
+    async def list_by_child(self, child_id: UUID) -> list[PlannedLeaveDay]:
+        """Get all planned days for a child across workspaces."""
+        return await self._repo.list(child_id=child_id)
+
+    async def update(
+        self,
+        planned_leave_day_id: UUID,
+        day_type: str | None = None,
+        is_dubbeldag: bool | None = None,
+    ) -> PlannedLeaveDay:
+        """Update a planned day (partial update)."""
+        entity = await self._repo.get_by_id(planned_leave_day_id)
+        if entity is None:
+            raise NotFoundError(f"PlannedLeaveDay {planned_leave_day_id} not found")
+
+        if day_type is not None:
+            entity.day_type = day_type
+        if is_dubbeldag is not None:
+            entity.is_dubbeldag = is_dubbeldag
+
+        return await self._repo.update(planned_leave_day_id, entity)