Normalize flat hierarchy rows from backend into the nested shape expected by the content-management page so new sub-categories and courses show immediately.
Made-with: Cursor
Expand edit-practice modal to include full question-set metadata fields, raise recorder modal overlay, and add module/sub-module collapse toggles to match path and level expand/collapse behavior.
Made-with: Cursor
Provide incremental Module-N and Module-N.M creation buttons, plus direct sub-module actions to manage lesson media and practice/audio question creation.
Made-with: Cursor
Integrate the admin Human Language page with the new hierarchy API and present subcategory/course/level/module/sub-module tree including videos and practices.
Made-with: Cursor
