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 3958880b0e..1ddb58b09c 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
@@ -209,7 +209,7 @@ export function ResearchAnalysisButton({analysis: a}: {analysis: Controller}) {
   // explanation is optional; cached results and unavailable states are reads.
   const readOnly = unavailable || a.readError || a.pack?.result || a.pending || a.recordedRunning;
   return <div className="research-analysis-entry"><div className="research-analysis-entry-actions"><button ref={a.trigger} type="button" disabled={a.loading && !a.pack} onClick={() => readOnly ? a.show() : void a.execute(a.pack?.job?.status === "failed" || a.pack?.job?.status === "cancelled")} aria-expanded={a.location.open}>
-    <Sparkles size={14} aria-hidden/>{a.pack?.result ? (a.zh ? "查看分析" : "View analysis") : analysisActionLabel(a.pack, a.zh)}
+    <Sparkles size={14} aria-hidden/>{a.readOnly || a.pack?.result ? (a.zh ? "查看分析" : "View analysis") : analysisActionLabel(a.pack, a.zh)}
   </button><ContextHelp label={sourceUnavailable ? (a.zh ? "分析来源未就绪" : "Analysis source unavailable") : (a.zh ? "分析说明" : "About deep analysis")} icon={sourceUnavailable ? CircleHelp : undefined}>
     {sourceUnavailable ? <p>{reasonCopy(a.pack?.reason_code ?? a.snapshot?.catalog.reason_code, a.zh)}</p> : null}
     {a.pack ? <p>{a.zh ? "分析请求设置（固定）：" : "Fixed analysis request: "}{a.pack.config.model} / {a.pack.config.effort} / {a.pack.config.service_tier}</p> : null}
@@ -480,8 +480,8 @@ export function ResearchAnalysisPanel({analysis: a, onHistory}: {analysis: Contr
   const zh = a.zh, p = a.pack, result = p?.result;
   const resultJob = p?.result_job ?? p?.job;
   const failed = p?.job?.status === "failed" || p?.job?.status === "cancelled";
-  const sourceAvailable = p?.availability === "available" && !a.readOnly;
-  const available = sourceAvailable && !a.readError;
+  const sourceAvailable = p?.availability === "available";
+  const available = sourceAvailable && !a.readOnly && !a.readError;
   const benefit = result?.metrics.find(m => m.metric === "benefit_test");
   const headline = !result ? null : benefit?.no ? (zh ? "仍有研究片段尚未检验原目标收益" : "Some episodes have not tested original-objective utility")
     : benefit?.unknown ? (zh ? "原目标收益的检验情况仍未知" : "Original-objective utility testing remains unknown")
@@ -507,12 +507,13 @@ export function ResearchAnalysisPanel({analysis: a, onHistory}: {analysis: Contr
         <small>{zh ? "重新分析完整固定范围，产生新的分析用量；保留上一轮结果。" : "Reanalyzes the full fixed scope with new analysis usage; the previous result is preserved."}</small>
       </div> : null}
       {!result || a.pending || a.recordedRunning ? <div className="analysis-actions">
-        {a.pending || a.recordedRunning ? <><p role="status">{a.pending ? <LoaderCircle size={15} aria-hidden className="analysis-spin"/> : null}{a.pending ? (zh ? "正在处理分析请求…" : "Processing analysis request…") : (zh ? "上次记录仍待分析结果；当前执行状态尚未核验。" : "The last receipt awaits a result; current execution is unverified.")}</p><button type="button" onClick={() => void a.cancel()} disabled={a.cancelPending || p.job?.cancel_requested}>{p.job?.cancel_requested ? (zh ? "已请求取消" : "Cancellation requested") : a.cancelPending ? (zh ? "正在请求取消…" : "Requesting cancellation…") : (zh ? "取消分析" : "Cancel analysis")}</button></>
+        {a.pending || a.recordedRunning ? <><p role="status">{a.pending ? <LoaderCircle size={15} aria-hidden className="analysis-spin"/> : null}{a.pending ? (zh ? "正在处理分析请求…" : "Processing analysis request…") : (zh ? "上次记录仍待分析结果；当前执行状态尚未核验。" : "The last receipt awaits a result; current execution is unverified.")}</p><button type="button" onClick={() => void a.cancel()} disabled={a.readOnly || a.cancelPending || p.job?.cancel_requested}>{p.job?.cancel_requested ? (zh ? "已请求取消" : "Cancellation requested") : a.cancelPending ? (zh ? "正在请求取消…" : "Requesting cancellation…") : (zh ? "取消分析" : "Cancel analysis")}</button></>
           : result ? <button type="button" onClick={() => void a.read().catch(() => undefined)}><RefreshCw size={14} aria-hidden/>{zh ? "刷新结果" : "Refresh result"}</button>
+            : a.readOnly ? <><p className={sourceAvailable ? undefined : "analysis-warning"}>{sourceAvailable ? (zh ? "此来源尚无已保存的分析。" : "This source has no saved analysis yet.") : reasonCopy(p.reason_code, zh)}</p><button type="button" onClick={() => void a.read().catch(() => undefined)}>{zh ? "刷新结果" : "Refresh result"}</button></>
             : <button className="analysis-primary" type="button" disabled={!available} onClick={() => void a.execute(failed)}><Sparkles size={15} aria-hidden/>{failed ? (zh ? "重试分析" : "Retry analysis") : p.continuation ? analysisActionLabel(p, zh) : (zh ? "分析所选范围" : "Analyze selected scope")}</button>}
-        {!result && !a.pending && !a.recordedRunning ? <small>{p.continuation?.can_reuse ? (zh ? "复用已有判读，无需新模型调用。" : "Reuses existing judgments without a new model call.") : zh ? "使用本机 Codex 账户，单独产生分析用量；浏览不调用 Agent。" : "Uses the local Codex account with separate analysis usage. Browsing never invokes an Agent."}</small> : null}
+        {!result && !a.readOnly && !a.pending && !a.recordedRunning ? <small>{p.continuation?.can_reuse ? (zh ? "复用已有判读，无需新模型调用。" : "Reuses existing judgments without a new model call.") : zh ? "使用本机 Codex 账户，单独产生分析用量；浏览不调用 Agent。" : "Uses the local Codex account with separate analysis usage. Browsing never invokes an Agent."}</small> : null}
       </div> : null}
-      {failed && !a.pending ? <p className="analysis-warning" role="status">{p.job?.status === "cancelled" ? (zh ? "分析已取消，研究历史保持可读。" : "Analysis cancelled. Research history remains readable.") : (zh ? "上次分析未完成；可重试，原失败记录会保留。" : "The last analysis did not complete. Retry preserves its failure record.")}</p> : null}
+      {failed && !a.pending ? <p className="analysis-warning" role="status">{p.job?.status === "cancelled" ? (zh ? "分析已取消，研究历史保持可读。" : "Analysis cancelled. Research history remains readable.") : a.readOnly ? (zh ? "上次分析未完成；失败记录已保留。" : "The last analysis did not complete; its failure record is preserved.") : (zh ? "上次分析未完成；可重试，原失败记录会保留。" : "The last analysis did not complete. Retry preserves its failure record.")}</p> : null}
       {failed && !a.pending ? <p className="analysis-attempt-usage" aria-label={zh ? "本次分析用量" : "Current analysis usage"}>
         {zh ? "本次尝试" : "This attempt"} · {p.job?.analysis_wall_seconds == null ? (zh ? "耗时未知" : "Time unknown") : `${p.job.analysis_wall_seconds.toFixed(1)}s`} · {zh ? "输入" : "input"} {p.job?.usage?.input_tokens?.toLocaleString() ?? "—"} / {zh ? "输出" : "output"} {p.job?.usage?.output_tokens?.toLocaleString() ?? "—"} tokens
       </p> : null}
diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-after-desktop.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-after-desktop.png
new file mode 100644
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diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-after-phone.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-after-phone.png
new file mode 100644
index 0000000000..540ef67c1e
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diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-before-desktop.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-before-desktop.png
new file mode 100644
index 0000000000..088bf8a525
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diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-before-phone.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-before-phone.png
new file mode 100644
index 0000000000..ff3f2050e7
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diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-empty-phone.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-empty-phone.png
new file mode 100644
index 0000000000..1e7e63ab52
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diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-failed-phone.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-failed-phone.png
new file mode 100644
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diff --git a/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-running-phone.png b/examples/personal-workspace-browser/evidence/research-finding-reader/readonly-analysis-running-phone.png
new file mode 100644
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diff --git a/examples/personal-workspace-browser/research-history.mjs b/examples/personal-workspace-browser/research-history.mjs
index e5cfd02c33..6315ede09f 100644
--- a/examples/personal-workspace-browser/research-history.mjs
+++ b/examples/personal-workspace-browser/research-history.mjs
@@ -317,6 +317,90 @@ export const researchHistoryScenario = {
       await synthesisPage.screenshot({path: resolve(outputDir, 'research-related-episodes-mobile-en.png'), animations: 'disabled'});
       await englishReview.getByRole('button', {name: 'Back to report', exact: true}).click();
       assert(await englishOrigin.evaluate(e => e === document.activeElement));
+
+      // Reading a remote source and executing on it are separate facts. Keep
+      // the real saved HTTP/store result, changing only source identity and
+      // explicit transport observations for the negative/recovery cases.
+      const readonlyStatus = `${synthesisOwner.base}/status.json?goal_id=synthetic-research-readback`;
+      await synthesisPage.route(target => target.pathname === '/status.json', async route => {
+        if (new URL(route.request().url()).searchParams.get('view') === 'workspace-directory') {
+          return route.fulfill({status: 404, json: {error: 'Use the complete captured status source'}});
+        }
+        const response = await route.fetch(), value = await response.json();
+        value.local_dashboard_api = {...value.local_dashboard_api, read_only_sources: [
+          {id: 'research-readonly', label: 'Read-only research', status_url: readonlyStatus},
+        ]};
+        await route.fulfill({response, json: value});
+      });
+      let readonlyState = 'saved', readonlyWrites = 0;
+      await synthesisPage.route(target => target.pathname === '/api/chat/research-analysis', async route => {
+        if (route.request().method() !== 'GET') {
+          readonlyWrites++;
+          return route.fulfill({status: 405, json: {error: 'Read-only source'}});
+        }
+        if (readonlyState === 'read-error') return route.fulfill({status: 503, json: {error: 'Synthetic read failure'}});
+        const response = await route.fetch(), value = await response.json();
+        assert.notEqual(value.execution_enabled, true, 'The isolated owner does not enable model dispatch');
+        if (readonlyState === 'empty' || readonlyState === 'failed') value.pack.result = null;
+        if (readonlyState === 'empty') value.pack.job = null;
+        if (readonlyState === 'failed') value.pack.job = {status: 'failed', attempt: 2,
+          analysis_wall_seconds: 4, usage: {input_tokens: 10, output_tokens: 5}};
+        if (readonlyState === 'running') value.pack.job = {status: 'running', attempt: 2};
+        if (readonlyState === 'changed') Object.assign(value.pack, {availability: 'unavailable', reason_code: 'source_changed'});
+        await route.fulfill({response, json: value});
+      });
+      const readonlyQuery = new URLSearchParams({goalId: 'synthetic-research-readback', view: 'research',
+        research_analysis: 'synthetic-research-readback', statusUrl: readonlyStatus});
+      const readonlyPanel = synthesisPage.locator('.research-analysis');
+      for (const [locale, unavailableText, emptyText] of [
+        ['zh-CN', '分析暂不可用，请刷新重试。', '此来源尚无已保存的分析。'],
+        ['en', 'Analysis is unavailable; refresh to retry.', 'This source has no saved analysis yet.'],
+      ]) {
+        readonlyState = 'saved';
+        await synthesisPage.evaluate(locale => localStorage.setItem('loopx-pw-locale', locale), locale);
+        await synthesisPage.goto(`${synthesisOwner.base}/chat/?${readonlyQuery}`, {waitUntil: 'networkidle'});
+        await readonlyPanel.locator('.research-report-tabs').waitFor();
+        assert.equal(await readonlyPanel.getByText(unavailableText, {exact: true}).count(), 0,
+          'A readable saved report is not unavailable merely because this source cannot execute');
+        readonlyState = 'empty';
+        await synthesisPage.reload({waitUntil: 'networkidle'});
+        await readonlyPanel.getByText(emptyText, {exact: true}).waitFor();
+        assert.equal(await readonlyPanel.locator('.analysis-primary').count(), 0,
+          'A read-only empty source offers reading recovery instead of a generation action');
+        assert.equal(await readonlyPanel.getByText(unavailableText, {exact: true}).count(), 0);
+        if (locale === 'zh-CN') {
+          await readonlyPanel.evaluate(e => e.scrollIntoView({block: 'start', behavior: 'instant'}));
+          await synthesisPage.screenshot({path: resolve(outputDir, 'readonly-analysis-empty-phone.png'), animations: 'disabled'});
+        }
+      }
+      await synthesisPage.evaluate(() => localStorage.setItem('loopx-pw-locale', 'zh-CN'));
+      readonlyState = 'running';
+      await synthesisPage.reload({waitUntil: 'networkidle'});
+      assert(await readonlyPanel.getByRole('button', {name: '取消分析', exact: true}).isDisabled(),
+        'A stored running receipt cannot enable cancellation on a read-only source');
+      await readonlyPanel.evaluate(e => e.scrollIntoView({block: 'start', behavior: 'instant'}));
+      await synthesisPage.screenshot({path: resolve(outputDir, 'readonly-analysis-running-phone.png'), animations: 'disabled'});
+      readonlyState = 'failed';
+      await synthesisPage.reload({waitUntil: 'networkidle'});
+      await readonlyPanel.getByText('上次分析未完成；失败记录已保留。', {exact: true}).waitFor();
+      assert.match(await readonlyPanel.getByLabel('本次分析用量').innerText(), /4\.0s.*10.*5/s);
+      assert.equal(await readonlyPanel.getByRole('button', {name: '重试分析', exact: true}).count(), 0);
+      await readonlyPanel.evaluate(e => e.scrollIntoView({block: 'start', behavior: 'instant'}));
+      await synthesisPage.screenshot({path: resolve(outputDir, 'readonly-analysis-failed-phone.png'), animations: 'disabled'});
+      readonlyState = 'changed';
+      await synthesisPage.reload({waitUntil: 'networkidle'});
+      await readonlyPanel.getByText('原始来源已变化；保留历史分析，重新核对后才能再次分析。', {exact: true}).waitFor();
+      await readonlyPanel.locator('.research-report-tabs').waitFor();
+      readonlyState = 'saved';
+      await synthesisPage.reload({waitUntil: 'networkidle'});
+      readonlyState = 'read-error';
+      await readonlyPanel.getByRole('button', {name: '刷新分析结果', exact: true}).click();
+      await readonlyPanel.getByRole('alert').filter({hasText: '刷新失败，保留上次结果。'}).waitFor();
+      await readonlyPanel.locator('.research-report-tabs').waitFor();
+      readonlyState = 'saved';
+      await readonlyPanel.getByRole('button', {name: '重试读取', exact: true}).click();
+      await readonlyPanel.getByRole('alert').waitFor({state: 'hidden'});
+      assert.equal(readonlyWrites, 0, 'Reading, failed reads and readonly job observations never request execution');
       const readback = await (await synthesisPage.request.get(`${synthesisOwner.base}/fixture/readback`)).json();
       assert.equal(readback.source_unchanged, true);
       assert.equal(readback.mutation_attempts, 0, 'Reading either layer and citations starts no model or state write');