diff --git a/scripts/check-rank-feedback.mjs b/scripts/check-rank-feedback.mjs
index 92d25fa..e9a57cd 100644
--- a/scripts/check-rank-feedback.mjs
+++ b/scripts/check-rank-feedback.mjs
@@ -84,6 +84,9 @@ try {
   assert.match(data.brief.firstScreen.headline, /Build only this first/);
   assert.equal(data.brief.firstScreen.primaryAction, data.brief.decisionReceipt.firstProofStep);
   assert.equal(data.brief.firstScreen.proofQuestion, data.brief.decisionReceipt.evidenceQuestion);
+  assert.equal(data.brief.firstScreen.proofScript, data.brief.decisionReceipt.proofScript);
+  assert.match(data.brief.firstScreen.proofScript, /I have a Scattermind build-order recommendation/);
+  assert.match(data.brief.firstScreen.proofScript, /Snapshot to Ranker feature-set contract/);
   assert.deepEqual(data.brief.firstScreen.guardrails, ['Avoid accounts, workspaces, and team voting']);
   assert.ok(data.brief.firstScreen.holdBack.some(item => item.title === 'Subscription billing layer'));
   assert.match(data.brief.firstScreen.rule, /One active move/);
@@ -116,9 +119,11 @@ try {
   assert.match(data.handoff.activeSlice.proof.nextStep, /manual proof/i);
   assert.equal(data.handoff.activeSlice.source.artifactId, 'snapshot_123');
   assert.equal(data.handoff.activeSlice.source.sourceSection, 'concept-map.nextMoves');
+  assert.match(data.handoff.activeSlice.proof.proofScript, /The thing I need to learn is/);
   assert.ok(data.handoff.activeSlice.notNow.some(item => item.id === 'export'));
   assert.match(data.handoff.activeSlice.rule, /Only this active slice is build-ready/);
   assert.match(data.handoff.copyableText, /## Active slice/);
+  assert.match(data.handoff.copyableText, /- Proof script:/);
   assert.match(data.handoff.copyableText, /- Do not start yet:/);
   assert.equal(data.handoff.readiness.sourceComplete, true);
   assert.ok(data.handoff.readiness.nextChecks.some(item => /Do first item/i.test(item)));
diff --git a/server.js b/server.js
index eb60546..ac0ad2e 100644
--- a/server.js
+++ b/server.js
@@ -1778,6 +1778,18 @@ function evidenceQuestionFor(option) {
   return `Can 3–5 target users understand and act on “${option.title}” without extra explanation?`;
 }
 
+function proofScriptFor(option, provenance = {}) {
+  if (!option) return '';
+  const sourceName = cleanText(provenance?.source || 'Scattermind', 60);
+  const sourceLabel = cleanText(provenance?.snapshotTitle || provenance?.artifactId || '', 120);
+  const evidence = evidenceQuestionFor(option);
+  const next = nextStepFor(option);
+  const setup = sourceLabel
+    ? `I have a ${sourceName} build-order recommendation for “${sourceLabel}”.`
+    : 'I am checking the next build move before adding more scope.';
+  return cleanText(`${setup} The proposed first move is “${option.title}”. ${next} The thing I need to learn is: ${evidence}`, 520);
+}
+
 function nextStepFor(option) {
   if (!option) return '';
   if (option.factors?.nextStep) return option.factors.nextStep;
@@ -1854,10 +1866,12 @@ function createDecisionBrief({ idea, context, mode, ranked, provenance, decision
   const activeSourceAnchor = [top?.provenance?.sourceSection, top?.provenance?.sourceId || top?.provenance?.sourceTitle].filter(Boolean).join(' · ');
   const activeSourceQuote = cleanText(top?.provenance?.sourceQuote || '', 260);
   const activeSourceTitle = cleanText(top?.provenance?.sourceTitle || '', 140);
+  const activeProofScript = top ? proofScriptFor(top, provenance) : '';
   const firstScreen = top ? {
     headline: `Build only this first: ${top.title}`,
     primaryAction: nextStepFor(top),
     proofQuestion: evidenceQuestionFor(top),
+    proofScript: activeProofScript,
     why: reasonFor(top),
     sourceAnchor: activeSourceAnchor,
     sourceTitle: activeSourceTitle,
@@ -1871,6 +1885,7 @@ function createDecisionBrief({ idea, context, mode, ranked, provenance, decision
     activeLane: top.lane?.label || 'Do first',
     firstProofStep: nextStepFor(top),
     evidenceQuestion: evidenceQuestionFor(top),
+    proofScript: activeProofScript,
     doNotStartYet: deferred.slice(0, 3).map(item => item.title),
     sourceAnchor: activeSourceAnchor,
     sourceTitle: activeSourceTitle,
@@ -2036,6 +2051,7 @@ function activeSliceFor({ ranked = [], provenance = {}, readiness = {} }) {
     proof: {
       nextStep: nextStepFor(active),
       evidenceQuestion: evidenceQuestionFor(active),
+      proofScript: proofScriptFor(active, provenance),
       successSignal: successSignalFor(active),
       killSignal: killSignalFor(active),
     },
@@ -2102,6 +2118,7 @@ function copyableHandoffText({ ranked = [], provenance = {}, decisionContext = {
     `- Move: ${activeSlice.item.title}`,
     `- Proof: ${activeSlice.proof.nextStep}`,
     `- Evidence question: ${activeSlice.proof.evidenceQuestion}`,
+    activeSlice.proof.proofScript ? `- Proof script: ${activeSlice.proof.proofScript}` : '',
     activeSlice.source.sourceSection ? `- Source: ${[activeSlice.source.sourceSection, activeSlice.source.sourceId].filter(Boolean).join(' · ')}` : '',
     activeSlice.notNow.length ? `- Do not start yet: ${activeSlice.notNow.map(item => item.title).join('; ')}` : '',
   ].filter(Boolean).join('\n') : '';