anybody entering Thailand on Non O or O-A or an extension of those visas now require $100,000 or 3.3 million baht health insurance which INCLUDES Covid cover. The $50,000 cover doesn't apply to those visas or extensions when entering Thailand.
Watch what's coming to extensions for retirement and for those applying for Extensions and applying for Non O visas inside Thailand.
It's going to be same as applying for Extensions of Non O-A visas
You can go anywhere you want without your passport BUT be aware, if your stopped and they want to see it and you don't have it, you won't be be going anywhere until somebody fetches it. That's how it works.
It's starts the end of September. Like all the country's using the Evisa system, you need to hold a French passport or have long term leave to remain in France to use it.