Comment by nicoburns
You could potentially address both templating and front-end integration by adopting Dioxus which does full stack rendering with React-like components (but in Rust). A "batteries included" full-stack framework could be quite exciting I think.
(Disclaimer: I work on dioxus's native renderer)
+1 (Disclaimer: I dont work on Dioxus's but i am admirer of Dioxus)