Migrate to Rslib Goal Migrate and projects to Rslib with minimal behavior changes and clear verification. Supported source frameworks - tsc - tsup Migration principles (must follow) 1. Official guide first : treat Rslib migration docs as source of truth. 2. Smallest-change-first : complete baseline migration first, then migrate advanced or custom behavior. 3. Do not change business logic : avoid touching source or business logic unless user explicitly asks. 4. Validate before cleanup : keep old tool dependencies/config temporarily if needed; remove only after Rslib is green. Workflow 1. Detec…