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Closes #67 When a student lands on the registration page from the confirmation email (?us_confirmed=1), replace the registration form with the confirmation message and a "Sign in to your account" link — the form is useless at that point and re-submitting would only produce an "account already exists" error. A confirmed-but-unapproved student can already log in (the pending gate only withholds booking), so signing in is the natural next step. The link target follows the booking block's pattern: a loginPageId block attribute (page picker in the editor sidebar) or login_page_id shortcode attribute, falling back to wp_login_url(). The expired-link notice keeps the form as before. Co-Authored-By: Claude Fable 5 <[email protected]>