feat(editorial): magazine hero — nano-banana 인프라 + collage 렌더#445
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feat(editorial): magazine hero — nano-banana 인프라 + collage 렌더#445cocoyoon wants to merge 2 commits into
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매거진 hero 가 source post 이미지 그대로라 curation_card 와 시각적 중복 + 매거진
표지 quality 미달이었음. nano-banana (gemini-2.5-flash-image) 로 16:9 editorial
cover 를 동적 생성.
- nano_banana.py: text-only generate(prompt, aspect_ratio) 메서드 추가.
기존 reframe (image+prompt edit mode) 와 분리.
- editorial_article/nodes/generate_hero.py: 신규 노드.
layout.title + subtitle + intro 섹션 → cover prompt → nano-banana →
R2 업로드 (editorial-magazines/{article_id}/hero.png) → layout.hero_image_url
+ hero 섹션의 image_url 갱신.
- editorial_article/graph.py: compose_layout → generate_hero → publish.
generate_hero 는 graceful — 실패해도 publish 진행하고 fallback (compose 가
픽한 source post 이미지) 사용. error_log 에만 기록.
- services/editorial_article/editorial_article_service.py: ctx 에서 nano +
r2 받아서 graph config 에 주입.
- managers/queue/worker.py: ctx 에 nano_banana_client + r2_client 추가.
- config/_container.py: nano_banana_client 를 RawPostsContainer 에서
InfrastructureContainer 로 이동 (raw_posts + editorial_article 공용).
RawPostsContainer 는 infrastructure.nano_banana_client 참조하도록 업데이트.
추가 시간 ~5-10s/article. 추가 비용 ~$0.01-0.04/article. #429
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단일 AI 생성 hero (nano-banana, #429 PR #445) 대신 source 이미지 collage 로 교체. 매거진 내부 curation_card 와 시각적 일관성, AI 비용/시간 0, source fidelity 보존. - pickCollageImages: curation_card 섹션의 image_url top 4. 없으면 hero_image_url 단일 fallback. - CollageHero: 이미지 개수별 grid 패턴 (1: 단일, 2: 2-up, 3: 1+2, 4: 2x2). - SectionView: type='hero' 본문 섹션은 헤더 collage 가 담당하므로 스킵. (HeroSection 함수 제거 — dead code.) 기존에 생성된 article 도 frontend HMR 만으로 collage 렌더 적용. nano-banana hero 인프라 (PR #445) 는 그대로 유지 — 다른 용도 (예: OG 이미지 별도 생성) 나 향후 hybrid 모드에서 재활용 가능.
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superseded by #446 (Stage 3 thumbnail flow) |
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Summary
매거진 hero 이미지 두 가지 개선:
Why
초기 hero 는 source post 이미지 그대로 픽 → curation_card 와 시각적 중복, 표지 quality 미달. 두 경로를 모두 구축:
Changes
ai-server (nano-banana 인프라)
nano_banana.py: text-onlygenerate(prompt, aspect_ratio)추가 (기존reframeedit-mode 와 분리).editorial_article/nodes/generate_hero.py: 신규 노드. layout.title + intro → editorial cover prompt → nano-banana → R2 업로드 (editorial-magazines/{article_id}/hero.png) → layout.hero_image_url 갱신.editorial_article/graph.py:compose_layout → generate_hero → publish. graceful — 실패해도 publish 진행.editorial_article_service.py: ctx 에서 nano + r2 받아 graph config 주입.worker.py: ctx 에nano_banana_client+r2_client추가._container.py:nano_banana_client를RawPostsContainer→InfrastructureContainer로 이동 (raw_posts + editorial_article 공용).web (collage 렌더 — 현재 default)
MagazineRenderer.tsx:pickCollageImages: curation_card image_url top 4. 없으면 hero_image_url fallback.CollageHero: 1개 → 단일, 2 → 2-up, 3 → 1+2, 4 → 2x2 grid.hero본문 섹션은 header collage 가 담당하므로 스킵 (중복 방지).Trade-off
이 PR 머지 후 default 는 collage. nano-banana 가 R2 에 hero.png 를 계속 만들지만 (인프라 보존) frontend 가 안 씀. 나중에:
Test plan
generate_hero: ok article=... url=...확인 (인프라 정상)editorial-magazines/{article_id}/hero.png업로드 확인Bump
`bump:patch` (ai-server)