Extracts the DateField changes from #10992: a placeholder shown when the
value is empty, support for an empty initial value (the picker opens at
maximumDate or today), and an onConfirm callback that fires only when the
user commits a date, distinct from onChangeDate which on iOS fires on every
scroll tick.
Adds Storybook examples demonstrating each behavior, and documents comment
style conventions (docblocks for declarations, block syntax for multiline
comments) in CLAUDE.md.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
DS Boyce
1f2cf3ba02