v0.8.0

What changed

• Add the Visual Job production contract for validated single, mixed, and multi-artifact rendering with transactional publication, canonical hashes, and receipts.
• Add Studio composition support with explicit HTML and CSS gates, while keeping direct CLI rendering backward compatible.
• Add strict public schemas and Creative fixtures for comic, infograph, and sketchnote modes.
• Replace the legacy gallery script with production-path gallery jobs, a versioned manifest, and byte-for-byte verification.
• Split article-diagram layout helpers and styles from the renderer, and expand article, poster, and editorial composition coverage.
• Add isolated fresh-context evaluations with semantic assertions and packaged-runtime verification.

Validation

• npm test
• npm run smoke
• npm run gallery:check
• GitHub Actions on Node.js 22 and 24 plus runtime smoke