As someone who's mother is an artist, was an elementary art teacher for 30+ years, and who's things were painting and pottery, AND who bred parrots and had a CAG in the house too, I understand (I'm a lifelong musician, I play alto sax, guitar, drums, soprano recorder, I didn't get the "visual" art gene at all, can't draw a stick-figure, lol)...My mom had her studio in the basement of our house which was a nasty, cement-floor basement where our washer/dryer was and our oil-furnace was, so no birds down there EVER and it could be sealed-off completely from the rest of the house, with the breeders up two floors, so it wasn't an issue...But she still worried constantly.
I wouldn't EVER risk having your bird in the same room that you paint in, unless you're using water-colors. Absolutely no Oil/Acrylic paints, and definitely no turpentine/mineral spirits/paint thinner at all, that's just asking for a tragedy to happen...As an artist I totally understand what you're saying and where you're coming from, but Oils are just not good, and I wouldn't risk using Acrylics either...I have been building reptile enclosures for years, and I have a shop in my garage where I also repair and restore guitars and other musical instruments, and depending on what I'm doing I can't have my guys out there either do to the cleaners/strippers/polishes/oils I use when restoring an instrument, the glue/varnish I use on the enclosures (wood and melamine board), and then I also often design/build 3D foam-backgrounds for the insides of the enclosures that are usually cut/shaped to look like stone walls/mountains/cliffs with basking platforms incorporated into them, etc., and I often use spray-foam insulation and expanding foam spray, which is horribly noxious, and I use a large assortment of mostly Acrylic paint, along with some chalk and milk paints on the backgrounds, and then I use literally gallons of ModPodge to seal them and make them waterproof. Lots of work with the Dremel, the soldering iron/wood burner, lots of sanding, etc. So it's just gotta be "No Birds Allowed", period.
I remember the house still smelling like oil paints even though she would be down in the basement...She started doing a lot with oil pastels, but then she'd have to spray them to fix them, and that stuff is noxious as hell too...It's just difficult to have birds and do any types of visual arts, woodworking/restoration work, etc. But you're always better safe than very, very sorry.