Rob Since we don't know the nature of your index finger problem, I might be way off the mark to suggest you visit with an orthopedic doctor and/or a physical therapist. If it turns out to be a chronic condition, you might consider relearning the guitar as a "righty".
My wife is a lefty and when she began guitar lessons, as an adult, she chose to use her left hand as the fretting hand, and her teacher was amazed at how fast she developed a feel for chord construction, faster than right hand students who had started about the same time, both young and old.
A good friend of mine, who was once Natalie Cole's touring guitarist, is a left-hander who plays right. He is also a professor of guitar and jazz studies at Winthrop College.
IPhones make excellent video and audio recordings and are easy and quick to use. My old iPhone 5s, no longer viable as a phone, makes for a handy camera and audio recorder. And, any audio recordings made with the iPhone can easily be imported in GarageBand for editing or whatever.
For guitar recording, these days, I use a Behringer audio interface into my MacBook Air, with either one of the Tele-type guitars I've built, or my Yamaha Silent Classical guitar. Quick, easy setup, with good quality results.