She’s got a job offer so she’ll be able to come, need to ask your local thai embassy that question in regards to pets in quarantine. Your need to go there to apply for your visa and co vid test negative anyway. Good luck!
You need to go embassy in Manila and apply with all the paperwork. Put in the morning day one, go back the next day in the afternoon pick up your passport with the visa in.
Nothing on marriage front Thailand don’t recognise same sex marriages yet. Non b and work permit only I’d say work enough to qualify for permanent residency is your only way. But pr is about 100,000 baht and the qualifying criteria is hard to meet this root. The Application is about 100,000 baht.
If you hold the same visa non o single entry three years no breaks. Wp 3 years 40,000 thb a month no breaks. You can then apply with no pr for Thai citizenship. The law changed 2009 without wp it’s possible but need pr first I think around 10 years. There is also points you have to accumulate
******
you need age what job you do and level of thai that sort of thing but from my understanding possible with limited thai but need to score the points in other ways. Good luck!