If there is no hope of an amicable agreement, even after mediation there is no point in leaving it to your spouse to make an application for financial remedy. What is she decides to not apply for 6 months, a year?
Be proactive and make the application if that is the only way a resolution can be reached. There's lots of help available from Wikivorce, on the forum,; and if you're not sure about the process and want some help and assistance, call the helpline and speak to someone about the
Help with Financial Settlement service