Leaving the workforce
Australian Taxation Office Information page which provides assistance and information for people who are starting, leaving or changing jobs.
Planning for retirement is more than money and superannuation, though these do help. There are other things that make life satisfying. Evidence shows that if you come into retirement as healthy as possible, you are more likely to stay that way. This seniors.gov.au page discusses health aspects of retirement.
Under the transition to retirement rules, if you have reached your preservation age, you may be able to reduce your working hours without reducing your income. You can do this by topping up your part-time income with a regular 'income stream' from your super savings.