Dedicated routes under /content/human-language/.../sub-module/:id for lesson videos and practice cards (aligned with existing sub-course styling); confirm removals via Dialog on hierarchy page; wire add-practice and questions back navigation for HL paths.
Made-with: Cursor
- Flows: Parent category sequence (reorder all parents), sub category sequence per parent, sub category structure (courses/questions/feedback)
- Fix Flow page white screen (useEffect deps: selectedSubCategoryId/selectedParentCategoryId)
- Loading state: visible refresh icon (white card, brand-600) on AllCourses, Courses, CourseFlowBuilder, SubCourses
- Add team member page, team API and types, route /team/add
Made-with: Cursor
