diff --git a/tests/runner-e2e/dashboard-regenerate.ts b/tests/runner-e2e/dashboard-regenerate.ts
index 2913bd96459..41c9d2225ef 100644
--- a/tests/runner-e2e/dashboard-regenerate.ts
+++ b/tests/runner-e2e/dashboard-regenerate.ts
@@ -161,6 +161,12 @@ export async function regenerateRunnerDashboard(input: {
       };
     }),
   );
+  const summary = await readFile(path.join(bundle, "summary.md"), "utf8").then(text => text.replace(
+    /^(Feedback across retained attempts:.*?); [0-9]+ distinct items awaiting review;/m, "$1;",
+  )).catch((error: NodeJS.ErrnoException) => {
+    if (error.code === "ENOENT") return undefined;
+    throw error;
+  });
   const dashboard = renderRunnerE2EDashboard({
     title: "Runner Full-Stack E2E",
     generatedAt: normalized.generatedAt,
@@ -168,6 +174,7 @@ export async function regenerateRunnerDashboard(input: {
     catalog: runnerMatrix,
     entries,
     campaign,
+    summaryAvailable: summary !== undefined,
     history,
   });
   const upgraded = {
@@ -180,12 +187,6 @@ export async function regenerateRunnerDashboard(input: {
       evidenceErrors: normalized.results[index]?.evidenceErrors ?? [],
     })),
   };
-  const summary = await readFile(path.join(bundle, "summary.md"), "utf8").then(text => text.replace(
-    /^(Feedback across retained attempts:.*?); [0-9]+ distinct items awaiting review;/m, "$1;",
-  )).catch((error: NodeJS.ErrnoException) => {
-    if (error.code === "ENOENT") return undefined;
-    throw error;
-  });
   const reviewStatus = /^(?:[0-9]+ distinct feedback items await review\.|Feedback reviewed by (?:human|agent) at ).*$/m;
   const refreshedSummary = summary === undefined ? undefined : reviewStatus.test(summary)
     ? summary.replace(reviewStatus, () => campaignFeedbackReviewText(campaign))
diff --git a/tests/runner-e2e/dashboard-summary-link.test.ts b/tests/runner-e2e/dashboard-summary-link.test.ts
new file mode 100644
index 00000000000..5be3b3c3088
--- /dev/null
+++ b/tests/runner-e2e/dashboard-summary-link.test.ts
@@ -0,0 +1,32 @@
+import { mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import { expect, it } from "vitest";
+import { renderRunnerE2EDashboard } from "./dashboard.js";
+import { regenerateRunnerDashboard } from "./dashboard-regenerate.js";
+import { buildRunnerCampaign } from "./history.js";
+
+const campaign = () => buildRunnerCampaign({ campaignId: "summary-link-fixture", generatedAt: "2026-10-27T00:00:00Z", expected: [], results: [] });
+it("offers only the fixed relative summary link when a campaign summary is available", () => {
+  const input = { title: "Campaign", generatedAt: "2026-10-27T00:00:00Z", expected: [], catalog: [], entries: [], campaign: campaign() };
+  expect(renderRunnerE2EDashboard({ ...input, summaryAvailable: true })).toContain('<a href="summary.md">Campaign summary ↗</a>');
+  expect(renderRunnerE2EDashboard(input)).not.toContain('href="summary.md"');
+  expect(renderRunnerE2EDashboard({ ...input, campaign: undefined, summaryAvailable: true })).not.toContain('href="summary.md"');
+});
+it("regeneration derives link availability from the actual summary file without changing result identities", async () => {
+  const root = await mkdtemp(path.join(os.tmpdir(), "runner-summary-link-"));
+  try {
+    const before = campaign(); before.source.workflowRunUrl = "https://github.com/paperclipai/paperclip/actions/runs/123";
+    await writeFile(path.join(root, "normalized-results.json"), JSON.stringify(before));
+    await writeFile(path.join(root, "summary.md"), "# Historical partial fixture\n\nSix incomplete or blocked journeys.\n");
+    await regenerateRunnerDashboard({ bundle: root, historyFile: null });
+    const html = await readFile(path.join(root, "index.html"), "utf8");
+    expect(html).toContain('href="summary.md"'); expect(html).toContain(before.source.workflowRunUrl);
+    const after = JSON.parse(await readFile(path.join(root, "normalized-results.json"), "utf8"));
+    expect(after.results).toEqual(before.results); expect(after.source).toEqual(before.source);
+    expect(after.selected).toBe(before.selected);
+    await rm(path.join(root, "summary.md"));
+    await regenerateRunnerDashboard({ bundle: root, historyFile: null });
+    expect(await readFile(path.join(root, "index.html"), "utf8")).not.toContain('href="summary.md"');
+  } finally { await rm(root, { recursive: true, force: true }); }
+});
diff --git a/tests/runner-e2e/dashboard.ts b/tests/runner-e2e/dashboard.ts
index b8cb4ac92b0..2a50c8f4340 100644
--- a/tests/runner-e2e/dashboard.ts
+++ b/tests/runner-e2e/dashboard.ts
@@ -44,6 +44,8 @@ export interface RunnerDashboardInput {
   catalog: readonly ReportExecution[];
   entries: readonly RunnerDashboardEntry[];
   campaign?: RunnerE2ECampaign;
+  /** The bundle contains its existing relative summary.md document. */
+  summaryAvailable?: boolean;
   history?: RunnerE2EHistoryIndex;
 }
 
@@ -835,7 +837,7 @@ export function renderRunnerE2EDashboard(input: RunnerDashboardInput) {
         <p class="eyebrow">Full-stack acceptance campaign</p>
         <h1 tabindex="-1">${html(input.title)}</h1>
         <p class="lede">Results across runner profiles and execution environments. Declared PNG screenshots and normalized results are retained with every published campaign; additional diagnostic evidence remains in the access-controlled workflow artifact.</p>
-        ${input.campaign ? `<p class="report-source"><span>${html(input.generatedAt)}</span>${input.campaign.source.sha ? `<code>${html(input.campaign.source.sha.slice(0,8))}</code>` : ""}${input.campaign.source.workflowRunUrl ? `<a href="${html(input.campaign.source.workflowRunUrl)}">Source run ↗</a>` : ""}</p>` : ""}
+        ${input.campaign ? `<p class="report-source"><span>${html(input.generatedAt)}</span>${input.campaign.source.sha ? `<code>${html(input.campaign.source.sha.slice(0,8))}</code>` : ""}${input.campaign.source.workflowRunUrl ? `<a href="${html(input.campaign.source.workflowRunUrl)}">Source run ↗</a>` : ""}${input.summaryAvailable ? `<a href="summary.md">Campaign summary ↗</a>` : ""}</p>` : ""}
       </div>
       <div class="report-actions">
         <div class="summary" aria-label="Campaign summary">