Create and edit workout routines in Hevy fitness app via API. User-invocable with /hevy.
Use when: User wants to create/edit Hevy routines, convert training programs (text/PDF/image)
to Hevy format, or work with the Hevy API.
Triggers: "/hevy", "hevy routine", "add to hevy", "gym routine", "gym program",
"lifting program", "training plan", "PPL", "push pull legs", "5x5", "531",
"GZCLP", "nSuns", "import workout", "sync to hevy", "weightlifting"