diff --git a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.css b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.css
index 5851785b3a..8fa9dae101 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.css
+++ b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.css
@@ -69,13 +69,16 @@
 .analysis-method > summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; color: var(--pw-text); }
 .analysis-method dl { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 8px 16px; }
 .analysis-method dd { margin: 0; color: var(--pw-text); }
-.analysis-continuation { margin-block: 16px; border-block: 1px solid var(--pw-line); padding-block: 12px; }
+.analysis-continuation { margin-block: 8px; }
+.analysis-continuation-controls { display: flow-root; }
+.analysis-continuation-controls > details { min-width: 0; }
+.analysis-continuation-controls > button { float: inline-end; margin-inline-start: 16px; }
+.analysis-continuation-controls > details[open] { padding-block-end: 12px; }
 .analysis-continuation-summary { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; }
 .analysis-continuation-summary strong { font-weight: 500; }
 .analysis-continuation-summary > span { color: var(--pw-muted); }
-.analysis-continuation-summary button { margin-inline-start: auto; }
 .analysis-continuation .analysis-method { border: 0; margin: 0; padding: 0; }
-.analysis-continuation .analysis-method > summary { display: list-item; list-style-position: inside; min-height: 36px; }
+.analysis-continuation .analysis-method > summary { display: list-item; list-style-position: inside; min-height: 44px; }
 .analysis-spin { animation: analysis-request-spin 1s linear infinite; }
 @keyframes analysis-request-spin { to { transform: rotate(360deg); } }
 @media (prefers-reduced-motion: reduce) { .analysis-spin { animation: none; } }
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.tsx b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.tsx
index 5c6e34c7c8..f05a3026db 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-analysis.tsx
@@ -229,32 +229,28 @@ const analysisActionLabel = (p: Pack | null, zh: boolean) => p?.continuation?.ca
 function AnalysisContinuation({pack: p, analysis: a}: {pack: Pack; analysis: Controller}) {
   const c = p.continuation, zh = a.zh;
   if (!c) return p.continuation_unavailable ? <p className="analysis-warning">{zh ? "基础分析暂不可读；本版仍可独立分析完整范围。" : "The base analysis cannot be read; this version can still assess its complete scope independently."} <button type="button" onClick={() => void a.read().catch(() => undefined)}>{zh ? "重试读取" : "Retry reading"}</button></p> : null;
-  const changes = [
-    c.sources.added.length ? `${zh ? "新增来源" : "New sources"} ${c.sources.added.length}` : "",
-    c.sources.revised.length ? `${zh ? "更新来源" : "Updated sources"} ${c.sources.revised.length}` : "",
-    c.sources.removed.length ? `${zh ? "移除来源" : "Removed sources"} ${c.sources.removed.length}` : "",
-    c.episodes.added.length ? `${zh ? "新增片段" : "New episodes"} ${c.episodes.added.length}` : "",
-    c.episodes.revised.length ? `${zh ? "更新片段" : "Updated episodes"} ${c.episodes.revised.length}` : "",
-    c.episodes.removed.length ? `${zh ? "移除片段" : "Removed episodes"} ${c.episodes.removed.length}` : "",
-    c.can_reuse ? (zh ? "复用原判读" : "Reuse judgments") : `${zh ? (p.result ? "已复核全部" : "完整复核") : "Reassess all"} ${p.episode_count} ${zh ? "片段" : "episodes"}`,
-  ].filter(Boolean).join(" · ");
+  const reassessment = c.can_reuse ? (zh ? "复用原判读" : "Reuse judgments")
+    : `${zh ? (p.result ? "已复核全部" : "完整复核") : "Reassess all"} ${p.episode_count} ${zh ? "片段" : "episodes"}`;
   return <section className="analysis-continuation" aria-label={zh ? "分析版本变化" : "Analysis version changes"}>
-    <div className="analysis-continuation-summary"><strong>{c.can_reuse ? (zh ? "证据内容未变" : "Evidence content unchanged") : (zh ? "接续上一版" : "Continue from previous version")}</strong>
-      <span>{changes}</span>
+    <div className="analysis-continuation-controls">
       <button type="button" onClick={() => {a.select(c.base_pack_id); requestAnimationFrame(() => a.panel.current?.focus({preventScroll: true}));}}>{zh ? "查看上一版" : "Previous version"}</button>
-    </div>
-    {!c.base_available ? <p className="analysis-warning">{zh ? "上一版尚无适用分析，本次将独立分析完整范围。" : "No applicable previous analysis is available. This version will assess the full scope independently."}</p> : null}
-    {c.configuration_changed || c.objective_changed ? <p className="analysis-warning">{zh ? "分析设置或目标已变更，两版判断不作为同条件比较。" : "The analysis configuration or objective changed. Judgments are not a matched comparison."}</p> : null}
-    <details className="analysis-method"><summary>{p.result && c.base_available ? `${c.verdict_changes.length} ${zh ? "项判断变化" : "changed judgments"}` : (zh ? "查看变化" : "Inspect changes")}</summary>
-      <p>{c.base_title} · {c.base_scope.revision} → {c.current_scope.revision}</p>
-      <p>{zh ? "上次覆盖" : "Previous coverage"}: {c.base_episode_count} · {c.base_scope.window}<br/>{zh ? "本次覆盖" : "Current coverage"}: {p.episode_count} · {c.current_scope.window}</p>
-      <p>{zh ? "来源（新增 / 更正 / 删除）" : "Sources (added / revised / removed)"}: {c.sources.added.length} / {c.sources.revised.length} / {c.sources.removed.length}<br/>{zh ? "片段（新增 / 更正 / 删除）" : "Episodes (added / revised / removed)"}: {c.episodes.added.length} / {c.episodes.revised.length} / {c.episodes.removed.length}<br/>{zh ? "适用判断项（新增 / 移除）" : "Eligible judgments (added / removed)"}: {c.new_pair_count} / {c.removed_pair_count}</p>
+      <details className="analysis-method"><summary>{zh ? "版本与变化" : "Version and changes"}</summary>
+      <div className="analysis-continuation-summary"><strong>{c.can_reuse ? (zh ? "证据内容未变" : "Evidence content unchanged") : (zh ? "接续上一版" : "Continue from previous version")}</strong><span>{reassessment}</span></div>
+      <p>{p.result && c.base_available ? `${c.verdict_changes.length} ${zh ? "项判断变化" : "changed judgments"}` : (zh ? "查看变化" : "Inspect changes")}</p>
+      <dl><dt>{zh ? "上一版" : "Previous"}</dt><dd>{c.base_title} · {c.base_scope.revision}<br/>{c.base_episode_count} · {c.base_scope.window}</dd>
+        <dt>{zh ? "本版" : "Current"}</dt><dd>{c.current_scope.revision}<br/>{p.episode_count} · {c.current_scope.window}</dd>
+        <dt>{zh ? "来源变动" : "Source changes"}</dt><dd>{zh ? "新增 / 更正 / 删除" : "Added / revised / removed"}: {c.sources.added.length} / {c.sources.revised.length} / {c.sources.removed.length}</dd>
+        <dt>{zh ? "片段变动" : "Episode changes"}</dt><dd>{zh ? "新增 / 更正 / 删除" : "Added / revised / removed"}: {c.episodes.added.length} / {c.episodes.revised.length} / {c.episodes.removed.length}</dd>
+        <dt>{zh ? "适用判断项" : "Eligible judgments"}</dt><dd>{zh ? "新增 / 移除" : "Added / removed"}: {c.new_pair_count} / {c.removed_pair_count}</dd></dl>
       {c.episodes.added.length ? <p>{zh ? "新增片段" : "New episodes"}: {c.episodes.added.join(" · ")}</p> : null}
       {c.episodes.revised.length ? <p>{zh ? "更正片段" : "Revised episodes"}: {c.episodes.revised.join(" · ")}</p> : null}
       {c.episodes.removed.length ? <p>{zh ? "移除片段" : "Removed episodes"}: {c.episodes.removed.join(" · ")}</p> : null}
       <p>{zh ? "无法仅凭局部变化证明旧结论不受影响，因此实质变化均复核完整新版证据；指标按本版适用项重新计算，旧版不覆盖、不相加。" : "Local changes cannot prove earlier conclusions unaffected. Substantive changes therefore reassess the complete new evidence. Metrics are recalculated from this version’s eligible items; previous results are neither overwritten nor added."}</p>
       {c.verdict_changes.length ? <ul>{c.verdict_changes.map(row => <li key={`${row.episode_id}:${row.metric}`}>{row.episode_id} · {metricCopy[row.metric][zh ? 0 : 1]}: {verdictLabel(row.metric, row.before, zh)} → {verdictLabel(row.metric, row.after, zh)}</li>)}</ul> : null}
-    </details>
+      </details>
+    </div>
+    {!c.base_available ? <p className="analysis-warning">{zh ? "上一版尚无适用分析，本次将独立分析完整范围。" : "No applicable previous analysis is available. This version will assess the full scope independently."}</p> : null}
+    {c.configuration_changed || c.objective_changed ? <p className="analysis-warning">{zh ? "分析设置或目标已变更，两版判断不作为同条件比较。" : "The analysis configuration or objective changed. Judgments are not a matched comparison."}</p> : null}
   </section>;
 }
 
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-synthesis.tsx b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-synthesis.tsx
index be2a43e580..18cb2d9c56 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-synthesis.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-synthesis.tsx
@@ -27,6 +27,10 @@ export function ResearchSynthesis({synthesis: s, zh, detail = false, onExpand, o
     <dt>{zh ? "预期区分" : "Distinguishing prediction"}</dt><dd>{experiment.prediction}</dd>
     <dt>{zh ? "推翻解释的结果" : "Disconfirming result"}</dt><dd>{experiment.disconfirming_result}</dd>
   </dl>;
+  const overview = <>
+    <p className="research-synthesis-summary">{s.summary.text}</p>
+    <details className="research-report-summary-sources"><summary>{zh ? "概览来源" : "Summary sources"} · {s.summary.citations.length}</summary>{citations(s.summary.citations)}</details>
+  </>;
   let body: ReactNode;
   if (!detail) {
     body = <>
@@ -48,6 +52,7 @@ export function ResearchSynthesis({synthesis: s, zh, detail = false, onExpand, o
           }}>{next ? (zh ? "下一步实验" : "Next experiments") : (zh ? "结论与解释" : "Findings and explanations")} <span>{next ? s.next_experiments.length : s.findings.length}</span></button>)}
       </div>
       <div id={`${id}-body`} role="tabpanel" aria-labelledby={`${id}-${experiments}-tab`}>
+        {!experiments ? overview : null}
         {experiments ? <div className="research-report-experiments">
           {!s.next_experiments.length ? <p>{zh ? "现有证据不足以提出有区分力的下一步实验。" : "The evidence does not justify a discriminating next experiment."}</p> : null}
           {s.next_experiments.map((experiment, i) => <article key={i} className="research-report-experiment">
@@ -73,8 +78,7 @@ export function ResearchSynthesis({synthesis: s, zh, detail = false, onExpand, o
     <header>{!detail ? <h3>{zh ? "研究汇报" : "Research report"}</h3> : null}<span>{zh ? "Agent 分析" : "Agent analysis"}</span>
       {!detail && onExpand ? <button type="button" className="research-report-expand" onClick={event => onExpand(event.currentTarget)}>{zh ? "深入解读" : "Read deeper"}<ArrowUpRight size={14} aria-hidden/></button> : null}
     </header>
-    <p className="research-synthesis-summary">{s.summary.text}</p>
-    <details className="research-report-summary-sources"><summary>{zh ? "概览来源" : "Summary sources"} · {s.summary.citations.length}</summary>{citations(s.summary.citations)}</details>
+    {!detail ? overview : null}
     {body}
   </section>;
 }
diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/report-next-experiment-mobile.png b/examples/personal-workspace-browser/evidence/research-finding-reader/report-next-experiment-mobile.png
new file mode 100644
index 0000000000..e7aa8b9b2d
Binary files /dev/null and b/examples/personal-workspace-browser/evidence/research-finding-reader/report-next-experiment-mobile.png differ
diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-after-desktop.png b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-after-desktop.png
new file mode 100644
index 0000000000..79746e2435
Binary files /dev/null and b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-after-desktop.png differ
diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-after-mobile.png b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-after-mobile.png
new file mode 100644
index 0000000000..876ce8a659
Binary files /dev/null and b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-after-mobile.png differ
diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-before-desktop.png b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-before-desktop.png
new file mode 100644
index 0000000000..55fa6da53a
Binary files /dev/null and b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-before-desktop.png differ
diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-before-mobile.png b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-before-mobile.png
new file mode 100644
index 0000000000..7a55819183
Binary files /dev/null and b/examples/personal-workspace-browser/evidence/research-finding-reader/report-reading-before-mobile.png differ
diff --git a/examples/personal-workspace-browser/research-history.mjs b/examples/personal-workspace-browser/research-history.mjs
index 55fe13ac43..d68696d797 100644
--- a/examples/personal-workspace-browser/research-history.mjs
+++ b/examples/personal-workspace-browser/research-history.mjs
@@ -218,9 +218,15 @@ export const researchHistoryScenario = {
       await analysis.waitFor();
       assert.equal(await synthesisPage.getByRole('region', {name: '研究汇报', exact: true}).count(), 1, 'One reading focus when expanded');
       assert.match(await analysis.innerText(), /竞争解释.*随机波动/s);
+      const savedOverview = await analysis.locator('.research-synthesis-summary').innerText();
+      assert(await analysis.locator('.research-report-tabs').evaluate(tabs => {
+        const overview = tabs.parentElement.querySelector('.research-synthesis-summary');
+        return Boolean(overview && (tabs.compareDocumentPosition(overview) & Node.DOCUMENT_POSITION_FOLLOWING));
+      }), 'Choose findings or experiments before reading a potentially long overview');
       await analysis.getByRole('tab', {name: /结论与解释/}).focus();
       await synthesisPage.keyboard.press('ArrowRight');
       assert.equal(await analysis.getByRole('tab', {name: /下一步实验/}).getAttribute('aria-selected'), 'true');
+      assert.equal(await analysis.locator('.research-synthesis-summary').count(), 0, 'Experiment reading starts with the experiment instead of repeating the report overview');
       assert.match(await analysis.innerText(), /固定条件.*随机序列.*推翻解释的结果/s);
       assert.equal(await analysis.locator('.analysis-method').first().evaluate(e => e.open), false, 'Episode judgments remain available as secondary verification');
       await synthesisPage.mouse.move(1, 1);
@@ -228,6 +234,7 @@ export const researchHistoryScenario = {
       await synthesisPage.screenshot({path: resolve(outputDir, 'research-synthesis-deep-mobile.png'), animations: 'disabled'});
       await synthesisPage.setViewportSize({width: 1280, height: 900});
       await analysis.getByRole('tab', {name: /结论与解释/}).click();
+      assert.equal(await analysis.locator('.research-synthesis-summary').innerText(), savedOverview, 'Returning to findings restores the complete saved overview');
       await analysis.evaluate(e => e.scrollIntoView({block: 'start'}));
       await synthesisPage.screenshot({path: resolve(outputDir, 'research-synthesis-deep-desktop.png'), animations: 'disabled'});
       // The report already declares its episode lineage. Follow those exact
@@ -1371,13 +1378,15 @@ print(json.dumps([
       assert.equal(await chineseAnalysis.locator('.analysis-episode[open]').count(), 0);
       continuationFixture = true;
       await page.reload({waitUntil: 'networkidle'});
-      // The inline version summary is a semantic section, not another page.
+      // Version bookkeeping is optional detail; the saved analysis leads.
       const version = chineseAnalysis.locator('.analysis-continuation');
-      await version.getByText('接续上一版', {exact: true}).waitFor();
-      await version.getByText(/已复核全部 4 片段/).waitFor();
+      await version.getByText('版本与变化', {exact: true}).waitFor();
       assert.equal(await version.locator('details').getAttribute('open'), null);
-      await version.locator('summary').click();
-      assert.match(await version.innerText(), /original-capture → later-evidence/);
+      assert.doesNotMatch(await version.innerText(), /新增来源|已复核全部|original-capture/);
+      await version.locator('summary').focus();
+      await page.keyboard.press('Enter');
+      await version.getByText(/已复核全部 4 片段/).waitFor();
+      assert.match(await version.innerText(), /original-capture.*later-evidence/s);
       assert.match(await version.innerText(), /variant-alpha.*已做收益检验.*证据不足/);
       await version.locator('summary').click();
       await page.setViewportSize({width: 1440, height: 1000});
@@ -1388,9 +1397,9 @@ print(json.dumps([
       await chineseAnalysis.getByText('Synthetic original analysis', {exact: true}).waitFor();
       assert.equal(await chineseAnalysis.locator('.analysis-continuation').count(), 0);
       await page.goBack({waitUntil: 'networkidle'});
-      await version.getByText('接续上一版', {exact: true}).waitFor();
+      await version.getByText('版本与变化', {exact: true}).waitFor();
       await page.reload({waitUntil: 'networkidle'});
-      await version.getByText('接续上一版', {exact: true}).waitFor();
+      await version.getByText('版本与变化', {exact: true}).waitFor();
       await page.setViewportSize({width: 390, height: 844});
       await chineseAnalysis.evaluate(element => element.scrollIntoView({block: 'start'}));
       assert(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth + 1));