Function handleChange

packages/ui/src/ui-component/picker/DatePicker.jsx:25–30

(e)

    }, [value])

    const handleChange = (e) => {
        const newValue = e.target.value // "YYYY-MM-DD" or ""
        setDateValue(newValue)
        // Propagate as ISO string (end-of-day UTC) so backend can parse it as a Date
        onChange(newValue ? new Date(newValue).toISOString() : '')
    }

    return (
        <Box className={isDark ? 'picker-dark' : ''} sx={{ mt: 1, width: '100%' }}>