I'm in a similar boat with long-term ankle and tendon issues (Achilles + peroneal, mostly left side), and it's been a frustrating balancing act trying to stay active without tipping into injury again.
The calf weakness + imbalance issue hits home. I didn't realize how much I was relying on my "stronger" side until I started rehabbing and tracking symmetry more deliberately. It's like the right side has been doing double duty for years.
I've been seriously considering moving to a dynamic setup too, your point about bodyweight momentum at the catch makes a lot of sense. That compression phase always feels like a risk zone, no matter how much I try to keep heels down and ease up on the slide.
Also, in case it's helpful, I've been looking into treatment options lately and came across
this clinic, which seems to have a solid approach to Achilles tendon repair. Thought I'd pass it along in case you're exploring different recovery routes too.