No immediate life-threatening danger, phew.
Thank you everyone for your advice and concern.
I took my girl to the vet early this morning.
They performed a physical exam and an ultrasound, thankfully, no obstruction was found, but there is some inflammation.
She was diagnosed with early pancreatitis (possibly chronic).
She is currently on IV fluids for 3 days and will receive medication afterward. If she doesn’t have any further episodes, that would be ideal, otherwise, additional tests and blood work will be done.
(PS: I didn’t mention this in my original post. She had gastritis about a month and a half ago bug fully recovered. I’m wondering if recent hairball vomiting may have triggered this episode.)
She is tired and definitely hates the vet, but she is a tiny bit more lively.
Adult, France. I went to the vet. Cat age unknown but adult, female not spayed YET, can afford vet