feat(generation): rebuild Generation Page with full AI workflows
- Rebuild GenerationPage.tsx from static placeholder to production-parity
exam generation wizard with all 4 IELTS modules (Reading, Listening,
Writing, Speaking) plus Level and Industry
- Add per-module config: timer, CEFR difficulty tags, access type,
entities, approval workflow, rubric, grading system, shuffling
- Reading: AI passage generation, 5 exercise types (MCQ, Fill Blanks,
Write Blanks, True/False, Paragraph Match), categories/types
- Listening: 4 section types, AI context generation, TTS audio generation
- Writing: Task 1/2, AI instruction generation, word limits, marks
- Speaking: 3 parts, AI script generation, avatar video generation
with 7 avatar options
- Wire ExamStructuresPage to real CRUD API (list/create/delete)
- Add backend exam_structure model and controller (/api/exam-structures)
- Enhance ai_controller with 5 specialized generation handlers
(passage, exercises, writing instructions, speaking script,
listening context)
- Add POST /api/exam/generation/submit for exam creation workflow
- Fix media.service avatar video endpoint alignment
- All 12 API tests passed, browser-verified with real OpenAI calls
Made-with: Cursor
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