diff --git a/apps/presentation/dashboard/smoke/conversation-return-browser-smoke.mjs b/apps/presentation/dashboard/smoke/conversation-return-browser-smoke.mjs
index 882c016770..efb1b397ee 100644
--- a/apps/presentation/dashboard/smoke/conversation-return-browser-smoke.mjs
+++ b/apps/presentation/dashboard/smoke/conversation-return-browser-smoke.mjs
@@ -12,6 +12,8 @@ import { launchBrowser, loadPlaywright, waitForHttp } from "../../../../examples
 process.env.LOOPX_PERSONAL_WORKSPACE_PACKAGED = "1";
 const { repoRoot, outputDir, port, startServer } = await import("../../../../examples/personal-workspace-browser/fixture.mjs");
 const { openWorkspacePage } = await import("../../../../examples/personal-workspace-browser/scenario-context.mjs");
+await verifyBoundReadRecovery();
+if (process.argv.includes("--bound-permission-only")) process.exit(0);
 const fixture = spawn(resolveTestPython({ repoRoot }), ["-u", "apps/presentation/dashboard/smoke/conversation-history-http-fixture.py", "--manager"],
   { cwd: repoRoot, stdio: ["pipe", "pipe", "pipe"] });
 const exited = once(fixture, "exit");
@@ -142,3 +144,120 @@ try {
   if (fixture.exitCode === null) await exited;
   lines.close();
 }
+
+async function verifyBoundReadRecovery() {
+  // Exercise the real binding owner as well as the packaged reader. A provider
+  // coming back must not restore a grant the owner explicitly disconnected.
+  const child = spawn(resolveTestPython({repoRoot}), ["-u",
+    "apps/presentation/dashboard/smoke/bound-conversation-http-fixture.py", "--steward"],
+    {cwd: repoRoot, stdio: ["pipe", "pipe", "pipe"]});
+  const exited = once(child, "exit");
+  const lines = createInterface({input: child.stdout});
+  const iterator = lines[Symbol.asyncIterator]();
+  let stderr = "", browser;
+  child.stderr.on("data", chunk => stderr += String(chunk));
+  async function next() {
+    for (;;) {
+      let timer;
+      try {
+        const line = await Promise.race([iterator.next(), new Promise((_, reject) => {
+          timer = setTimeout(() => reject(Error(`Bound fixture timed out: ${stderr}`)), 20_000);
+        })]);
+        assert.equal(line.done, false, stderr);
+        if (line.value.startsWith("{")) return JSON.parse(line.value);
+      } finally {clearTimeout(timer);}
+    }
+  }
+  async function command(value) {child.stdin.write(`${value}\n`); return next();}
+  try {
+    const {origin, bindingId, sessionId} = await next();
+    // The first provider announces its identity before the second has started.
+    // Serving HTTP is the shared fixture's completed-startup boundary.
+    await waitForHttp(`${origin}/api/chat/lark/private-conversations`);
+    await command("populate");
+    const before = await command("inspect");
+    browser = await launchBrowser(loadPlaywright().chromium);
+    const page = await browser.newPage({viewport: {width: 1440, height: 1000}});
+    await page.addInitScript(() => {
+      if (!localStorage.getItem("loopx-pw-locale")) localStorage.setItem("loopx-pw-locale", "zh-CN");
+    });
+    const writes = [], errors = [];
+    page.on("request", request => {if (request.method() !== "GET") writes.push(request.url());});
+    page.on("pageerror", error => errors.push(error.message));
+    await page.goto(`${origin}/chat/?conversationBinding=${bindingId}&conversationSession=${sessionId}&view=conversation`);
+    await page.getByRole("heading", {name: "合成报告 6 / Synthetic report", exact: true}).waitFor();
+    const composer = page.getByLabel("向 LoopX 发送消息"), send = page.getByRole("button", {name: "发送", exact: true});
+    const draft = "Keep this draft in the original conversation; read without sending.";
+    await composer.fill(draft);
+    const notice = page.getByRole("status").filter({hasText: "会话历史暂时无法读取"});
+    // Source discovery can succeed while the original transcript read fails.
+    // Inject only the HTTP outage; the binding and Session stay in real Core.
+    const snapshotRoute = `**/api/chat/sessions/${sessionId}*`;
+    await page.route(snapshotRoute, route => new URL(route.request().url()).pathname === `/api/chat/sessions/${sessionId}`
+      ? route.fulfill({status: 503, json: {ok: false, error: "Synthetic transcript read outage"}})
+      : route.fallback());
+    await page.reload();
+    await notice.waitFor();
+    assert.equal(await send.isDisabled(), true);
+    assert.equal(await page.getByText("今天的工作区很安静", {exact: true}).count(), 0,
+      "A verified source with unreadable history is not an empty workspace");
+    await mkdir(outputDir, {recursive: true});
+    await page.screenshot({path: resolve(outputDir, "conversation-history-unavailable-desktop.png"), animations: "disabled"});
+    await page.unroute(snapshotRoute);
+    await notice.waitFor({state: "hidden"});
+    await page.getByRole("heading", {name: "合成报告 6 / Synthetic report", exact: true}).waitFor();
+    assert.equal(await composer.inputValue(), draft);
+    await command("deny");
+    await notice.waitFor();
+    assert.equal(await send.isDisabled(), true);
+    assert.equal(await composer.inputValue(), draft);
+    await command("recover");
+    await notice.waitFor({state: "hidden"});
+    assert.equal(await send.isEnabled(), true);
+    assert.equal(await composer.inputValue(), draft);
+    assert.equal(await page.getByText("Synthetic private conversation: review the research notes.", {exact: true}).count(), 1);
+    await command("revoke");
+    await notice.waitFor();
+    await command("recover");
+    await notice.getByRole("button", {name: "重试读取", exact: true}).click();
+    await notice.waitFor();
+    assert.equal(await send.isDisabled(), true);
+    assert.equal(await composer.inputValue(), draft);
+    const sourceRead = await page.request.get(`${origin}/api/chat/sessions?conversation_binding_id=${bindingId}`);
+    assert.equal(sourceRead.status(), 409);
+    const connections = await (await page.request.get(`${origin}/api/chat/lark/private-conversations`)).json();
+    assert.ok(!connections.connections.some(row => row.binding_id === bindingId));
+    assert.equal(connections.connections.length, 1, "The other original source remains available");
+    await page.reload();
+    await page.getByRole("alert").filter({hasText: "原会话暂不可用"}).waitFor();
+    await mkdir(outputDir, {recursive: true});
+    await page.screenshot({path: resolve(outputDir, "conversation-binding-unavailable-desktop.png"), animations: "disabled"});
+    assert.equal(await page.getByText("今天的工作区很安静", {exact: true}).count(), 0,
+      "An unreadable original conversation is not an empty workspace");
+    assert.equal(await page.getByTestId("runtime-readiness-line").count(), 0,
+      "A failed source read cannot diagnose a missing execution runtime");
+    assert.ok((await page.locator(".personal-timeline-empty").innerText()).includes("原会话暂不可用"));
+    assert.equal(await composer.inputValue(), draft);
+    assert.equal(await send.isDisabled(), true);
+    assert.equal(await page.getByText("Unrelated desktop conversation — must remain separate.", {exact: true}).count(), 0);
+    assert.equal(await page.getByText("Different private steward: keep this source separate.", {exact: true}).count(), 0);
+    await page.setViewportSize({width: 390, height: 844});
+    assert.ok(await page.locator("body").evaluate(body => body.scrollWidth <= innerWidth + 1));
+    await page.screenshot({path: resolve(outputDir, "conversation-binding-unavailable-narrow.png"), animations: "disabled"});
+    await page.evaluate(() => localStorage.setItem("loopx-pw-locale", "en"));
+    await page.reload();
+    await page.getByRole("alert").filter({hasText: "Original conversation unavailable"}).waitFor();
+    assert.ok((await page.locator(".personal-timeline-empty").innerText()).includes("Original conversation unavailable"));
+    assert.equal(await page.getByTestId("runtime-readiness-line").count(), 0);
+    assert.equal(await page.getByLabel("Send a message to LoopX").inputValue(), draft);
+    assert.deepEqual(await command("inspect"), before, "Reads/retry/reopen preserve all Sessions, original messages and model requests");
+    assert.deepEqual(writes, []);
+    assert.deepEqual(errors, []);
+    console.log("conversation-binding-recovery-browser: passed (real HTTP/Core, source recovery vs revocation, honest unavailable state, retained draft, no fallback or writes)");
+  } finally {
+    await browser?.close();
+    child.stdin.end("stop\n");
+    if (child.exitCode === null) await exited;
+    lines.close();
+  }
+}
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/personal-workspace-page.tsx b/apps/presentation/dashboard/src/features/personal-workspace/personal-workspace-page.tsx
index 2cfac5bcbe..3de9f747c6 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/personal-workspace-page.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/personal-workspace-page.tsx
@@ -1046,6 +1046,7 @@ export function PersonalWorkspacePage({
   }, [agentWorkActive, selectionScope, selectedWorkAgentId, selectedGoalTab]);
   const selectedWorkspaceRef = workspaceConversations?.selectedRef ?? null;
   const originalConversation = workspaceConversations?.bound;
+  const originalSourceUnresolved = Boolean(originalConversation && !originalConversation.session);
   const originalTitle = originalConversation?.source?.project_title
     ?? (locale === "zh-CN" ? "原会话" : "Original conversation");
   const selectedWorkspaceProject = workspaceConversations?.projects?.find((project) => project.project_ref === selectedWorkspaceRef) ?? null;
@@ -3024,7 +3025,15 @@ export function PersonalWorkspacePage({
                 operations={actionReadback.isError ? [] : homeOperations} onSelectOperation={proposal => setSelection({kind: "proposal", item: proposal})}
                 onViewAllOperations={() => setSelectedGoalTab("chat")} />
             ) : (
-              <ChannelTimeline key={`${selectionScope}:${conversationKey}:${selectedAgentId}`} {...timelineReading} readOnly={readOnly} emptyState={workspaceTitle ? { title: workspaceTitle, description: t("workspace.empty") } : undefined} onReviewGoalDraft={readOnly ? undefined : reviewGoalDraft} onSuggestReply={readOnly ? undefined : suggestReply}
+              <ChannelTimeline key={`${selectionScope}:${conversationKey}:${selectedAgentId}`} {...timelineReading} readOnly={readOnly}
+                emptyState={originalConversation && (originalSourceUnresolved
+                  || (conversationHistoryState && conversationHistoryState.phase !== "ready")) ? {
+                  title: originalConversation.error || conversationHistoryState?.phase === "unavailable" || conversationHistoryState?.phase === "partial"
+                    ? (locale === "zh-CN" ? "原会话暂不可用" : "Original conversation unavailable")
+                    : (locale === "zh-CN" ? "正在读取原会话…" : "Reading the original conversation…"),
+                  description: "",
+                } : workspaceTitle ? {title: workspaceTitle, description: t("workspace.empty")} : undefined}
+                onReviewGoalDraft={readOnly ? undefined : reviewGoalDraft} onSuggestReply={readOnly ? undefined : suggestReply}
                 items={selectedWorkspaceRef || originalConversation ? managerChatItems.filter((item) => item.kind === "message") : managerChatItems}
                 onSelect={setSelection} selectedGoal={null} showManagerTeamResults={!selectedWorkspaceRef && !originalConversation}
                 onAdjustTurn={steeringTurnId ? focusTurnComposer : undefined}
@@ -3140,7 +3149,7 @@ export function PersonalWorkspacePage({
               </figure>
             ))}</div> : null}
             {imageAttachmentError ? <p className="personal-composer-error" role="alert">{imageAttachmentError}</p> : null}
-            {!readOnly && (selectedGoal || managerChatOpen) && (runtimeReadiness.kind === "none_available" || runtimeReadiness.kind === "selected_unavailable") ? (
+            {!readOnly && !originalSourceUnresolved && (selectedGoal || managerChatOpen) && (runtimeReadiness.kind === "none_available" || runtimeReadiness.kind === "selected_unavailable") ? (
               <p className="personal-composer-status personal-runtime-readiness-line" data-testid="runtime-readiness-line" role="status">
                 <span>{runtimeReadiness.kind === "none_available" ? t(agents.some((agent) => agent.adapterKind === "status_projection" && agent.available)
                   ? "readiness.selectedUnavailableReadonly" : "readiness.selectedUnavailableNone") : t("readiness.selectedUnavailable", { label: runtimeReadiness.selected.label })}</span>
diff --git a/docs/assets/personal-workspace/conversation-pagination/binding-recovery-populated-desktop.png b/docs/assets/personal-workspace/conversation-pagination/binding-recovery-populated-desktop.png
new file mode 100644
index 0000000000..fd08b56d77
Binary files /dev/null and b/docs/assets/personal-workspace/conversation-pagination/binding-recovery-populated-desktop.png differ
diff --git a/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-after-desktop.png b/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-after-desktop.png
new file mode 100644
index 0000000000..bf0d5dab3f
Binary files /dev/null and b/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-after-desktop.png differ
diff --git a/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-after-narrow.png b/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-after-narrow.png
new file mode 100644
index 0000000000..a157ab39c6
Binary files /dev/null and b/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-after-narrow.png differ
diff --git a/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-before-desktop.png b/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-before-desktop.png
new file mode 100644
index 0000000000..6499914f70
Binary files /dev/null and b/docs/assets/personal-workspace/conversation-pagination/binding-unavailable-before-desktop.png differ