In Angular (v19–21), calling setValue() on a FormControl , FormGroup , or FormArray from within a reactive…

In Angular (v19–21), calling setValue() on a FormControl , FormGroup , or FormArray from within a reactive…: a task in LegoFlow-SWE (Harbor dataset). Observed symptom Given a component that uses AfterRenderEffect or similar reactive primitives, clicking a button triggers setValue('main') on a form…