diff --git a/.claude/workflows/new-environment.js b/.claude/workflows/new-environment.js
index 78eef85..f9c40d8 100644
--- a/.claude/workflows/new-environment.js
+++ b/.claude/workflows/new-environment.js
@@ -17,6 +17,7 @@ const slug = (args && args.slug) || 'support-resolution'
 const vertical = (args && args.vertical) || 'customer-support-resolution'
 const pkg = slug.replace(/-/g, '_')
 const seeds = (args && args.seeds) || '0-7'
+const reference = (args && args.reference) || ''
 
 const BASE = `You are building environment "${slug}" for the repo at ${REPO}, promoting the vertical "${vertical}" from a published specification to a live, playable demo at demo.primeintellectgrowth.com.
 
@@ -25,6 +26,7 @@ const BASE = `You are building environment "${slug}" for the repo at ${REPO}, pr
 The specification for this vertical — task, reward, counterweight, persona, anxiety — is already written and reviewed in \`src/content/verticals.ts\`. Start from that entry; do not invent a different task.
 
 Package: \`envs/${pkg}/\`. Demo: \`src/demos/${slug}/\`. Traces: \`public/traces/${slug}/\`.
+${reference ? `\n**Prior art to read before designing anything:** ${reference}\n` : ''}
 
 Do NOT run git. Do NOT edit another stage's files.`