diff --git a/frontend/taskdeck-web/src/components/review/ReviewProposalCard.vue b/frontend/taskdeck-web/src/components/review/ReviewProposalCard.vue
index 1baf7da17..83c289842 100644
--- a/frontend/taskdeck-web/src/components/review/ReviewProposalCard.vue
+++ b/frontend/taskdeck-web/src/components/review/ReviewProposalCard.vue
@@ -199,6 +199,17 @@ function reviewStatusLabel(status: Proposal['status']): string {
   return statusLabels[normalized] ?? normalized
 }
 
+const readOnlyDiffBanner = computed(() => {
+  const prefix = `${reviewStatusLabel(props.proposal.status)} · read-only —`
+  if (props.selectedDiff) {
+    return `${prefix} showing the stored preview from the original submission.`
+  }
+  if (storedOperationsFallback.value) {
+    return `${prefix} showing the proposal's recorded operations.`
+  }
+  return `${prefix} no stored preview is available.`
+})
+
 function riskLevelClass(riskLevel: Proposal['riskLevel']): string {
   const normalized = normalizeProposalRiskLevel(riskLevel)
   if (normalized === 'Low') return 'td-risk--low'
@@ -308,8 +319,7 @@ async function copyTechnicalDetails() {
       <!-- Read-only / terminal: stored preview under an explicit banner (#1397) -->
       <template v-if="selectedDiffMode === 'stored'">
         <span class="td-review-card__diff-banner" role="status" data-testid="review-diff-banner">
-          {{ reviewStatusLabel(proposal.status) }} · read-only — showing the stored preview from
-          the original submission.
+          {{ readOnlyDiffBanner }}
         </span>
         <!-- diffPreview is creation-time content revisions never update, so a
              revised proposal's stored preview — or the recorded-operations
diff --git a/frontend/taskdeck-web/src/tests/components/review/ReviewProposalCard.diff.spec.ts b/frontend/taskdeck-web/src/tests/components/review/ReviewProposalCard.diff.spec.ts
index 87da3e786..5715e0c9e 100644
--- a/frontend/taskdeck-web/src/tests/components/review/ReviewProposalCard.diff.spec.ts
+++ b/frontend/taskdeck-web/src/tests/components/review/ReviewProposalCard.diff.spec.ts
@@ -175,7 +175,10 @@ describe('ReviewProposalCard diff presentation (#1397)', () => {
       selectedDiff: null,
     })
 
-    expect(wrapper.find('[data-testid="review-diff-banner"]').exists()).toBe(true)
+    const banner = wrapper.find('[data-testid="review-diff-banner"]')
+    expect(banner.exists()).toBe(true)
+    expect(banner.text()).toContain('no stored preview is available')
+    expect(banner.text()).not.toContain('stored preview from the original submission')
     const storedEmpty = wrapper.find('[data-testid="review-diff-stored-empty"]')
     expect(storedEmpty.exists()).toBe(true)
     expect(storedEmpty.text()).toContain('No stored preview')
@@ -224,6 +227,9 @@ describe('ReviewProposalCard diff presentation (#1397)', () => {
     expect(wrapper.find('[data-testid="review-diff-stored-ops-note"]').exists()).toBe(true)
     const ops = wrapper.find('[data-testid="review-diff-stored-operations"]')
     expect(ops.exists()).toBe(true)
+    const banner = wrapper.find('[data-testid="review-diff-banner"]')
+    expect(banner.text()).toContain('recorded operations')
+    expect(banner.text()).not.toContain('stored preview from the original submission')
     // Sequence-ordered: CreateCard (seq 0) before MoveCard (seq 1).
     expect(ops.text()).toMatch(/1\. CreateCard Card[\s\S]*2\. MoveCard Card/)
     expect(ops.text()).not.toContain('card-9')