Wire SMS registration, forgot password, and one-time login.

Connect business and customer login pages to login-otp and reset-password, and document the auth flows in project context.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/HomePage.tsx

@@ -149,8 +149,8 @@ export function HomePage() {
     <main className={styles.content}>
       <div className={styles.pageHeader}>
         <div>
-          <h2 className={styles.pageTitle}>{t('home.welcome', { name: firstName })}</h2>
-          <p className={styles.pageSubtitle}>{t('home.subtitle')}</p>
+          <h2 className={styles.welcomeTitle}>{t('home.welcome', { name: firstName })}</h2>
+          <p className={styles.welcomeSubtitle}>{t('home.subtitle')}</p>
         </div>
 
         <div className={styles.dateBadge}>