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Soft-delete a study guide

DELETE 
/study-guides/:study_guide_id

Soft-deletes the guide (study_guides.deleted_at = now()) and cascades to all child quizzes (quizzes.deleted_at = now()) atomically in a single transaction. Application-level cascade (not DB CASCADE) so quizzes keep their own deleted_at lifecycle for any future undelete workflow.

Creator-only: 403 if the viewer is not the guide's creator. 404 for missing or already-deleted guides. Order of checks:

  1. Fetch + lock guide row.
  2. 404 if missing or deleted_at IS NOT NULL.
  3. 403 if creator_id != viewer_id.
  4. UPDATE guide + child quizzes, COMMIT.

Request​

Responses​

Guide soft-deleted; no response body