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Add a Prism Runtime agent skill for AI coding agents. The skill teaches agents how to use Prism's runtime contract correctly: register DOM-authored HTML/CSS/SVG surfaces, compose them inside Canvas 2D paint passes, wait for paint readiness before export, use CSS-pixel bounds, and clean up surfaces/runtime state. The skill also documents common forbidden patterns: - screenshot/export libraries such as html2canvas and dom-to-image - raw HTML-in-Canvas platform API calls in app code - deep imports from Prism internals - storing drawSurface() for later - registering handlers inside render loops or React render bodies - mixing CSS-pixel surface bounds with backing-store canvas drawing Update the README with an Agent Skill section linking to the new skill. Verification: - pnpm lint - pnpm typecheck - pnpm test - pnpm --filter @prism/docs build Install check: - pnpm add @synthesisengineering/prism works from a clean temp project. - pnpm add @synthesisengineering/prism@alpha resolves the current alpha. No runtime behavior changes.
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Summary
Adds a Prism Runtime agent skill for AI coding agents.
Changes
skills/prism-runtime/SKILL.md.Agent Skillsection to the README.Why
The skill gives agents a clear contract for building with Prism and helps prevent common bad integrations, including:
html2canvasordom-to-imageruntime.paintOnce()Verification
Passed:
pnpm lintpnpm typecheckpnpm testpnpm --filter @prism/docs buildInstall check
Verified in
/private/tmp/prism-install-check:pnpm add @synthesisengineering/prismworks.pnpm add @synthesisengineering/prism@alpharesolves the current alpha.Notes
Follow-up: npm dist-tags should be fixed if bare
pnpm add @synthesisengineering/prismis expected to install the latest alpha.