If you have suspicions regarding your partner they may well be true. The economic situation in this country is not getting much better @MDT.
My brother lost everything to a pretty young thing who was after his house and money. My brother is in his 50's now and has serious health conditions, no money and a marriage with kids he can't afford to keep with no stable housing. She ran off with everything while contributing nothing.
Don't allow yourself to be a victim. These women are after anything they can get these days and know how to gaslight people. Protect your future and don't allow yourself to be scammed out of your savings or to be used for residency. You will need your money in future.
The cost of living is only going to get worse. Does she have savings herself and what are her spending habits?
Doesn't seem worth the trouble. You said last year she was playing games with you. Now shes denying things and bringing your better judgement into question. That is called gaslighting.
We had a similar case from a woman from Brazil marrying a friend of mine who took him for a ride. She was an impossible woman, dishonest and a gold digger. She spent hundreds of thousands of his money and left him with an autistic kid and if you know anything about raising an autistic kid it costs even more than raising an average kid. So he basically lost everything.
Look to your future and show a little more self interest. You will need the money while the economy implodes.