Constructor
new ActivityWaiverManagerController()
Methods
connect()
Initialize the controller
deselectAll()
Deselect all waivers
getSelectedWaivers()
Get array of selected waiver IDs
selectAll()
Select all waivers
toggleWaiver()
Handle waiver checkbox toggle
updateSelectedCount()
Update the selected waiver count display
updateVisualState()
Update visual state of selected waivers
validateSelection()
Validate waiver selection