Planning in PEM – Adjustment of Planned Effort in Fixed Duration Project without constraints

Summary:

We have a requirement to plan projects in Project Execution Management (PEM) with flexibility, specifically allowing manual entry of both planned effort and dates.

Content (please ensure you mask any confidential information):

Use case:
The client plans projects with a fixed duration, assigning labor resources. While the standard automatic calculation based on resource calendars works as expected.

Once the planned dates are set, the client needs the ability to manually adjust planned hours without impacting or shifting those dates.

Currently, modifying planned hours typically needs swtiching task schedule type to Fixed Effort and results in changes to the schedule, or requires adjusting