Knowledge RAG
Submit principleDesign Knowledge Base
Community-maintained principles reviewed before publication and retrieved as Agent design constraints.
2 published principles / 192 in library
Interaction Responsive Motionforms / validation
Form Error State Contract
A form error state contract puts labels, helper text, validation timing, inline errors, error summaries, submit states, server failures, mobile keyboards, and ARIA wiring into one implementable model.
Form errors are not one red component; they combine field contracts, state machines, and recovery paths, and should route to narrower guidance for summaries, accessible feedback, persistent labels, and transactional recovery.95%Interaction Responsive Motionforms / errorsTransactional Form Error Recovery
Error handling in high-trust forms is not about telling users they are wrong. It returns them to a recoverable state where they can continue without re-entering information.
Transactional service error recovery must handle visual placement, screen readers, focus, original input, error copy, and next action together.94%