1 Condition, 2 Validators, 1 Post Function, and 1 Status Property is correct.

The visibility requirement for the Done button is satisfied by a condition on the transition so only users with the required permission will see that transition. A condition controls whether the transition is presented to the user and is the right way to hide the button from users who do not hold the permission.

One validator enforces the permission at transition execution so the transition cannot be bypassed even if someone tries to call it directly. A second validator is used to ensure the custom field has been changed to the required new value while the transition is in progress. In practice you collect the new value on the transition screen and a validator verifies that the field has been set before the workflow proceeds.

A post function assigns the issue to the component owner after the transition finishes. Post functions run as part of the transition and are the correct mechanism to change the assignee after the transition completes.

A status property restricts attachment deletion to a specific group when an issue is in a particular status. Adding a workflow status property that limits deletion to the managers group meets that requirement.

1 Condition, 1 Validator, 1 Post Function, and 2 Status Properties is incorrect because it provides only one validator but the scenario requires two separate runtime checks and it miscounts the status properties that are needed to restrict attachment deletion for a single status.

2 Conditions, 1 Validator, 1 Post Function, and 1 Status Property is incorrect because you only need one condition to control the Done button visibility and the scenario requires two validators to both enforce the permission at execution time and to verify the custom field change.

1 Condition, 2 Validators, 2 Post Functions, and 0 Status Properties is incorrect because it omits the status property that is needed to limit attachment deletion to the managers group and it adds an extra post function that is not required to meet the stated requirements.

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