grader.node.spec.ts — 13 tests: LLM mock validation, breakout logic (shorts/IDontKnow), error handling, scoring/indexing, zh/ja language support interviewer.node.spec.ts — 11 tests: empty questions, index bounds, standard presentation, follow-up mode, zh/ja/en localization
- Add pagination support to findAll (page, limit query params) - Add findByTemplateId method to service - Add GET /by-template/:templateId endpoint to controller - Service already includes CRUD for QuestionBank and QuestionBankItem