Constructor
new MobileRequestAuthController()
Methods
handleSubmit()
Handle form submission
(async) loadApprovers()
Fetch approvers with retry logic
onConnect()
Called after base class connect
onConnectionStateChanged()
Called when connection state changes (from base class)
onDisconnect()
Called after base class disconnect
updateOnlineUI()
Update UI based on online/offline status
validateForm()
Enable submit button only when valid and online