P2~P7 리노컷 캐스트 원화·리그와 세션 활성화

- 추천 원화(P2 b·P3 v2b·P4 v2b·P5 v2a·P6 v2b·P7 v2b)로 얼굴 없는 기본형·몸 원본 codex 편집, 정렬·정규화 후 공통 파이프라인 실행
- 게시 자산 apps/web/public/avatar/v3/p2~p7, 리그 rigs/p2Rig~p7Rig
- 세션 레지스트리 P1~P7 전원 활성, Lab은 생성된 리그 자동 수집
- P3·P6 기본 눈 감김을 줄여 중립 렌더를 원화 눈매에 맞춤
- 표정 E2E를 v3 렌더러 기대로 갱신(검사 의도 유지)

docs/avatar-art/p5-linocut/prompts/base-faceless.txt

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+Call the built-in image_gen tool immediately, using the attached image as the reference to edit. Do not read any files, do not use any skill, do not ask questions. Invoke the image_gen tool once in high quality, keeping the output image the same size and aspect ratio as the reference image, using exactly this prompt, then save the resulting image into the current directory as faceless.png:
+
+Redraw exactly the same boy, same frontal pose, same framing and same linocut relief-print style as the reference, but leave the face blank: remove the eyes, eyebrows and mouth completely and fill those areas with plain skin in the same flat skin color, keeping the nose, the face outline, the ears, the hair, the neck, the grey t-shirt, the black zip-up track jacket and the white wired earphones exactly as they are. Do not move, resize or redraw anything else. Plain flat cream background, nothing else, no text.

docs/avatar-art/p5-linocut/prompts/body.txt

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+Call the built-in image_gen tool immediately, using the attached image as the reference to edit. Do not read any files, do not use any skill, do not ask questions. Invoke the image_gen tool once in high quality, keeping the output image the same size and aspect ratio as the reference image, using exactly this prompt, then save the resulting image into the current directory as body.png:
+
+Keep only the neck, the grey t-shirt, the black zip-up track jacket and the parts of the white earphone cords that lie on the jacket exactly as they are in the reference: same shapes, same position, same linocut relief-print style, same ink colors and texture. Remove the head, the face, the ears and all of the hair completely. Where the hair or the chin previously covered the neck or the clothes, continue them naturally in the same style so there are no holes. Place the result on a plain flat pure green background (#00ff00) with nothing else, no text.