dsh-workout-split: Workout Split Plan

The DSH plugin `dsh-workout-split` is a workflow plugin for programmatically generating training split plans. Maintained by uckkk, it is implemented entirely in Node.js, has no network dependencies, and supports precise parameter-based calculations to return detailed results. Installation requires specific dependency versions; once enabled, its tools can be invoked within a session. Review the source code and MIT license before use.