diff --git a/ui/src/e2e/session-ownership.e2e.test.ts b/ui/src/e2e/session-ownership.e2e.test.ts
index 7e12249a7578..66610111505e 100644
--- a/ui/src/e2e/session-ownership.e2e.test.ts
+++ b/ui/src/e2e/session-ownership.e2e.test.ts
@@ -2,6 +2,7 @@
 import { mkdir } from "node:fs/promises";
 import path from "node:path";
 import { chromium, type Browser, type Page } from "playwright";
+import { expect as expectBrowser } from "playwright/test";
 import { afterAll, afterEach, beforeAll, describe, expect, it } from "vitest";
 import {
   canRunPlaywrightChromium,
@@ -369,6 +370,49 @@ describeControlUiE2e("Control UI session ownership", () => {
     expect(await gateway.getRequests("session.visibility.set")).toHaveLength(1);
   });
 
+  it("keeps rejected visibility-only sharing changes visible after the menu closes", async () => {
+    const context = await browser.newContext({ viewport: { height: 800, width: 1200 } });
+    const currentPage = await context.newPage();
+    page = currentPage;
+    const sessions = draftSessionsList();
+    const ownerSession = sessions.sessions[0];
+    if (!ownerSession) {
+      throw new Error("expected owner draft fixture");
+    }
+    Object.assign(ownerSession, { sharingRole: "owner" });
+    const gateway = await installMockGateway(currentPage, {
+      sessionKey: "agent:main:ada",
+      allowedSessionVisibilities: ["shared", "draft"],
+      deferredMethods: ["session.visibility.set"],
+      featureMethods: ["chat.metadata", "chat.startup", "session.visibility.set"],
+      operatorScopes: ["operator.write"],
+      historyMessages: [{ role: "assistant", content: [{ type: "text", text: "Ready." }] }],
+      methodResponses: { "sessions.list": sessions },
+    });
+
+    await currentPage.goto(`${server?.baseUrl ?? ""}chat`);
+    await currentPage.getByText("Ready.", { exact: true }).waitFor();
+    await currentPage.getByRole("button", { name: "Thread sharing" }).click();
+    const dropdown = currentPage.locator(".chat-pane__sharing-menu");
+    await expect.poll(() => dropdown.getAttribute("open")).not.toBeNull();
+    expect(await dropdown.locator(".chat-pane__sharing-title").count()).toBe(1);
+    await currentPage.getByText("Publish draft", { exact: true }).click();
+    await gateway.waitForRequest("session.visibility.set");
+    await expect.poll(() => dropdown.getAttribute("open")).toBeNull();
+    expect(await gateway.getRequests("session.members.list")).toHaveLength(0);
+
+    const message = "visibility change rejected";
+    await gateway.rejectDeferred("session.visibility.set", {
+      code: "INVALID_REQUEST",
+      message,
+    });
+    const alert = currentPage.getByRole("alert").filter({ hasText: message });
+    await expectBrowser(alert).toBeVisible();
+
+    await currentPage.getByRole("button", { name: "Thread sharing" }).click();
+    await expectBrowser(dropdown.locator(".chat-pane__sharing-status--error")).toBeVisible();
+  });
+
   it("lets a read-scoped owner inspect sharing but blocks mutations", async () => {
     const context = await browser.newContext({ viewport: { height: 800, width: 1200 } });
     const currentPage = await context.newPage();
diff --git a/ui/src/pages/chat/chat-pane-header.ts b/ui/src/pages/chat/chat-pane-header.ts
index a2e8aca67ede..f58ca0c112b8 100644
--- a/ui/src/pages/chat/chat-pane-header.ts
+++ b/ui/src/pages/chat/chat-pane-header.ts
@@ -468,7 +468,8 @@ export abstract class ChatPaneHeader extends ChatPaneContext {
     if (!this.state) {
       return;
     }
-    this.state.chatError = error instanceof Error ? error.message : String(error);
+    this.state.lastError = error instanceof Error ? error.message : String(error);
+    this.state.chatError = this.state.lastError;
     this.state.requestUpdate?.();
   }
 
diff --git a/ui/src/pages/chat/chat-pane-sharing.test.ts b/ui/src/pages/chat/chat-pane-sharing.test.ts
index 5a9a0fbdb674..28d273069750 100644
--- a/ui/src/pages/chat/chat-pane-sharing.test.ts
+++ b/ui/src/pages/chat/chat-pane-sharing.test.ts
@@ -388,6 +388,8 @@ describe.each(mutations)("chat pane $name mutation connection ownership", (mutat
       expect(replacement.request).not.toHaveBeenCalled();
       expect(replacement.sessions.refreshReplacement).not.toHaveBeenCalled();
       expect(pane.sessionSharingStates.get(replacement.cacheKey)).toBe(replacement.sharingState);
+      expect(state.lastError).toBeNull();
+      expect(state.chatError).toBeNull();
     },
   );
 
@@ -435,9 +437,53 @@ describe.each(mutations)("chat pane $name mutation connection ownership", (mutat
       expect(request).toHaveBeenCalledTimes(1);
       expect(sessions.refreshReplacement).not.toHaveBeenCalled();
       expect(pane.sessionSharingStates.get(cacheKey)).toBe(replacementState);
+      expect(state.lastError).toBeNull();
+      expect(state.chatError).toBeNull();
     },
   );
 
+  it("keeps a previous-session failure out of the newly selected session", async () => {
+    const response = createDeferred<unknown>();
+    const request = vi.fn((method: string) => {
+      if (method !== mutation.method) {
+        throw new Error(`unexpected request: ${method}`);
+      }
+      return response.promise;
+    });
+    const sessions = {
+      refreshReplacement: vi.fn(),
+    } as unknown as SessionCapability;
+    const { pane: testPane, state } = createSharingTestChatPane({
+      client: { request } as unknown as GatewayBrowserClient,
+      sessions,
+    });
+    const pane = testPane as SharingPane;
+    const previous = sessionRow();
+    const selected = {
+      ...sessionRow(),
+      key: "agent:main:selected",
+      sessionId: "session-selected",
+    };
+    state.sessionsResult = {
+      ...sharingSessionsResult(previous),
+      count: 2,
+      sessions: [previous, selected],
+    };
+    const pending = mutation.invoke(pane, previous);
+    state.sessionKey = selected.key;
+
+    response.reject(new Error(`${mutation.name} failed after session switch`));
+    await pending;
+
+    expect(pane.sessionSharingStates.get(pane.sessionSharingCacheKey(previous.key))).toMatchObject({
+      loading: false,
+      error: `Error: ${mutation.name} failed after session switch`,
+    });
+    expect(state.lastError).toBeNull();
+    expect(state.chatError).toBeNull();
+    expect(sessions.refreshReplacement).not.toHaveBeenCalled();
+  });
+
   it("preserves the current connection failure in the sharing cache", async () => {
     const request = vi.fn(async (method: string) => {
       if (method === mutation.method) {
@@ -448,7 +494,7 @@ describe.each(mutations)("chat pane $name mutation connection ownership", (mutat
     const sessions = {
       refreshReplacement: vi.fn(),
     } as unknown as SessionCapability;
-    const { pane: testPane } = createSharingTestChatPane({
+    const { pane: testPane, state } = createSharingTestChatPane({
       client: { request } as unknown as GatewayBrowserClient,
       sessions,
     });
@@ -461,6 +507,8 @@ describe.each(mutations)("chat pane $name mutation connection ownership", (mutat
       loading: false,
       error: `Error: ${mutation.name} failed`,
     });
+    expect(state.lastError).toBe(`${mutation.name} failed`);
+    expect(state.chatError).toBe(state.lastError);
     expect(sessions.refreshReplacement).not.toHaveBeenCalled();
   });
 });
diff --git a/ui/src/pages/chat/chat-pane-sharing.ts b/ui/src/pages/chat/chat-pane-sharing.ts
index 86ba3f580a73..05280acb84a3 100644
--- a/ui/src/pages/chat/chat-pane-sharing.ts
+++ b/ui/src/pages/chat/chat-pane-sharing.ts
@@ -136,6 +136,19 @@ export abstract class ChatPaneSharing extends ChatPaneBase {
     }
   }
 
+  protected publishSharingFailure(cacheKey: string, sessionKey: string, error: unknown): void {
+    this.setSessionSharingState(cacheKey, {
+      ...(this.sessionSharingStates.get(cacheKey) ?? { loading: false }),
+      loading: false,
+      error: String(error),
+    });
+    // Sharing errors stay with their session; the visible page slot belongs
+    // only to the selected session after same-connection navigation.
+    if (areUiSessionKeysEquivalent(this.state?.sessionKey, sessionKey)) {
+      this.publishHeaderError(error);
+    }
+  }
+
   protected async setSessionVisibility(
     row: GatewaySessionRow,
     visibility: SessionVisibility,
@@ -181,11 +194,7 @@ export abstract class ChatPaneSharing extends ChatPaneBase {
       ) {
         return;
       }
-      this.setSessionSharingState(cacheKey, {
-        ...(this.sessionSharingStates.get(cacheKey) ?? { loading: false }),
-        loading: false,
-        error: String(error),
-      });
+      this.publishSharingFailure(cacheKey, currentRow.key, error);
     }
   }
 
@@ -238,11 +247,7 @@ export abstract class ChatPaneSharing extends ChatPaneBase {
       ) {
         return;
       }
-      this.setSessionSharingState(cacheKey, {
-        ...(this.sessionSharingStates.get(cacheKey) ?? { loading: false }),
-        loading: false,
-        error: String(error),
-      });
+      this.publishSharingFailure(cacheKey, currentRow.key, error);
     }
   }
 
diff --git a/ui/src/pages/chat/chat-pane.test.ts b/ui/src/pages/chat/chat-pane.test.ts
index 53a98a002689..b58e4a97441b 100644
--- a/ui/src/pages/chat/chat-pane.test.ts
+++ b/ui/src/pages/chat/chat-pane.test.ts
@@ -365,6 +365,7 @@ describe("chat pane header state", () => {
     } satisfies GatewaySessionRow;
     pane.handleHeaderMenuAction("reveal", session, "/src/openclaw", null);
     await vi.waitFor(() => expect(state.chatError).toBe("No desktop available."));
+    expect(state.lastError).toBe(state.chatError);
   });
 });
 
diff --git a/ui/src/pages/chat/components/chat-session-sharing.test.ts b/ui/src/pages/chat/components/chat-session-sharing.test.ts
index 5cb0a4ea20e5..a3c8c943291c 100644
--- a/ui/src/pages/chat/components/chat-session-sharing.test.ts
+++ b/ui/src/pages/chat/components/chat-session-sharing.test.ts
@@ -260,4 +260,34 @@ describe("chat session sharing menu", () => {
     expect(onOpen).toHaveBeenCalledOnce();
     expect(onVisibilityChange).toHaveBeenCalledWith("read-only");
   });
+
+  it.each([
+    { name: "visibility-only", membersAvailable: false },
+    { name: "member-enabled", membersAvailable: true },
+  ])("shows rejected sharing changes for $name Gateways", ({ membersAvailable }) => {
+    const root = mount(
+      renderChatSessionSharing({
+        session: {
+          key: "agent:main:main",
+          kind: "direct",
+          updatedAt: 1,
+          visibility: "shared",
+          sharingRole: "owner",
+        },
+        state: { loading: false, error: "Visibility update rejected" },
+        allowedVisibilities: ["shared", "read-only"],
+        membersAvailable,
+        onOpen: vi.fn(),
+        onVisibilityChange: vi.fn(),
+        onMemberChange: vi.fn(),
+      }),
+    );
+
+    expect(root.querySelector(".chat-pane__sharing-status--error")?.textContent).toContain(
+      "Visibility update rejected",
+    );
+    expect(root.querySelectorAll(".chat-pane__sharing-title")).toHaveLength(
+      membersAvailable ? 2 : 1,
+    );
+  });
 });
diff --git a/ui/src/pages/chat/components/chat-session-sharing.ts b/ui/src/pages/chat/components/chat-session-sharing.ts
index 3f31821ba288..37d5db0fcafe 100644
--- a/ui/src/pages/chat/components/chat-session-sharing.ts
+++ b/ui/src/pages/chat/components/chat-session-sharing.ts
@@ -172,13 +172,13 @@ export function renderChatSessionSharing(props: ChatSessionSharingProps) {
                 : html`<div class="chat-pane__sharing-status">
                     ${t("chat.sessionSharing.noPeople")}
                   </div>`}
-            ${props.state?.error
-              ? html`<div class="chat-pane__sharing-status chat-pane__sharing-status--error">
-                  ${props.state.error}
-                </div>`
-              : nothing}
           `
         : nothing}
+      ${props.state?.error
+        ? html`<div class="chat-pane__sharing-status chat-pane__sharing-status--error">
+            ${props.state.error}
+          </div>`
+        : nothing}
     </wa-dropdown>
   `;
 }