Build Input component with validation support

Component Specification

Accessible Input component with built-in validation.

Input Types

• text, password, email, tel, url, search
• number (with min/max/step)
• textarea (auto-resize option)

Features

• Label + helper text
• Error message display
• Success state
• Character counter
• Prefix/suffix icons
• Clear button
• Password toggle visibility

Validation

• Built-in HTML5 validation
• Custom validation functions
• Async validation support
• Real-time vs on-blur validation

Accessibility

• Proper label association
• aria-invalid on errors
• aria-describedby for helper text
• Error announcements

Related Epic

&4 (closed)