Author here :) You're pretty close! Espanso currently uses a combination of key injection + clipboard to get the best results. There are still some edge cases,

Author here :) You're pretty close! Espanso currently uses a combination of key injection + clipboard to get the best results. There are still some edge cases, but we are trying to solve them with other approaches, such as using custom Input Methods (the same mechanism used for some languages like Chinese)