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tutor-service/.planning/phases/006-teaching-assets/006-RESEARCH.md
2026-04-26 17:54:23 +09:00

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# Phase 6 Research: Teaching Assets
## Findings
The product needs lineage before generation. A prompt candidate that carries
concept, source evidence, model key, and review state is already useful because
it can be reviewed before spending image-generation cost or publishing content.
## Recommended Shape
- `internal/teachingassets` owns asset prompt candidates.
- Use ontology snapshot as the source for concept/evidence lookup.
- Generate prompts deterministically for MVP asset types.
- Store `requires_model_id_verification=true` so production image generation is
blocked until the provider model identifier is verified.
## Risks
- Calling image generation before model ID verification would violate PRD.
- Prompt candidates without evidence would weaken provenance.
- Real slide/PPT generation should be a later phase.