diff --git a/ui/src/e2e/channels-whatsapp-logout.e2e.test.ts b/ui/src/e2e/channels-whatsapp-logout.e2e.test.ts
index 058d80bff09c..295dc245d020 100644
--- a/ui/src/e2e/channels-whatsapp-logout.e2e.test.ts
+++ b/ui/src/e2e/channels-whatsapp-logout.e2e.test.ts
@@ -137,6 +137,65 @@ suite.define(() => {
     );
   });
 
+  it("shows rejected WhatsApp login immediately without waiting for channel status", async () => {
+    await suite.withPage(
+      { locale: "en-US", serviceWorkers: "block", viewport: { height: 900, width: 1280 } },
+      async ({ page }) => {
+        const gateway = await installMockGateway(page, {
+          methodResponses: {
+            "channels.status": {
+              ts: Date.now(),
+              channelOrder: ["whatsapp"],
+              channelLabels: { whatsapp: "WhatsApp" },
+              channels: {
+                whatsapp: { configured: true, linked: true, running: true, connected: true },
+              },
+              channelAccounts: {},
+              channelDefaultAccountId: {},
+            },
+            "channels.pairing.list": {
+              accounts: [],
+              requests: [],
+              commandOwnerConfigured: true,
+              limits: { pendingPerAccount: 3, ttlMs: 3_600_000 },
+            },
+          },
+        });
+
+        expect((await page.goto(`${suite.server.baseUrl}settings/channels`))?.status()).toBe(200);
+        await page.locator(".channels-item", { hasText: "WhatsApp" }).first().click();
+        const detail = page.locator(".channels-detail");
+        const relink = detail.getByRole("button", { name: "Relink" });
+        await relink.waitFor();
+        const statusReadsBefore = (await gateway.getRequests("channels.status")).length;
+        await gateway.deferNext("channels.status", { probe: true });
+        await gateway.deferNext("web.login.start");
+
+        await relink.click();
+        await gateway.waitForRequest("web.login.start");
+        await gateway.rejectDeferred("web.login.start", {
+          code: "INVALID_REQUEST",
+          message: "WhatsApp login rejected",
+        });
+
+        if (captureUiProofEnabled) {
+          await mkdir(uiProofArtifactDir, { recursive: true });
+          await page.screenshot({
+            animations: "disabled",
+            fullPage: true,
+            path: path.join(
+              uiProofArtifactDir,
+              `whatsapp-mutation-${process.env.OPENCLAW_UI_PROOF_LABEL ?? "rejected"}.png`,
+            ),
+          });
+        }
+        await expect.poll(() => detail.textContent()).toContain("WhatsApp login rejected");
+        await expect.poll(() => relink.isEnabled()).toBe(true);
+        expect(await gateway.getRequests("channels.status")).toHaveLength(statusReadsBefore);
+      },
+    );
+  });
+
   it("confirms the explicit default account and preserves a no-op logout", async () => {
     await suite.withPage(
       {
diff --git a/ui/src/lib/channels/index.test.ts b/ui/src/lib/channels/index.test.ts
index 4b6cebbecbdf..ecfea8d7ecbc 100644
--- a/ui/src/lib/channels/index.test.ts
+++ b/ui/src/lib/channels/index.test.ts
@@ -329,11 +329,66 @@ describe("channels controller WhatsApp logout", () => {
     expect(channels.state.whatsappLoginMessage).toBe("credential cleanup failed");
     expect(channels.state.whatsappLoginQrDataUrl).toBe("data:image/png;base64,current-qr");
     expect(channels.state.whatsappLoginConnected).toBe(true);
-    expect(request.mock.calls.filter(([method]) => method === "channels.status")).toHaveLength(1);
+    expect(request.mock.calls.filter(([method]) => method === "channels.status")).toHaveLength(0);
     channels.dispose();
   });
 });
 
+describe("channels controller WhatsApp mutation failures", () => {
+  it.each([
+    {
+      operation: "login",
+      method: "web.login.start",
+      invoke: (channels: ReturnType<typeof createChannelCapability>) =>
+        channels.startWhatsApp(false),
+      preservesQr: false,
+    },
+    {
+      operation: "scan wait",
+      method: "web.login.wait",
+      invoke: (channels: ReturnType<typeof createChannelCapability>) => channels.waitWhatsApp(),
+      preservesQr: true,
+    },
+    {
+      operation: "logout",
+      method: "channels.logout",
+      invoke: (channels: ReturnType<typeof createChannelCapability>) => channels.logoutWhatsApp(),
+      preservesQr: true,
+    },
+  ])(
+    "publishes a rejected $operation without probing channel status",
+    async ({ method, invoke, preservesQr }) => {
+      const request = vi.fn(async (requestedMethod: string) => {
+        if (requestedMethod === method) {
+          throw new Error("WhatsApp request rejected");
+        }
+        return createChannelsSnapshot("unexpected refresh");
+      });
+      const channels = createChannelCapability({
+        snapshot: { client: { request }, phase: "connected" },
+        subscribe: () => () => undefined,
+      } as never);
+      channels.state.whatsappLoginQrDataUrl = "data:image/png;base64,current-qr";
+      channels.state.whatsappLoginConnected = true;
+      const updates: Array<{ busy: boolean; message: string | null }> = [];
+      channels.subscribe((state) => {
+        updates.push({ busy: state.whatsappBusy, message: state.whatsappLoginMessage });
+      });
+
+      await invoke(channels);
+
+      expect(
+        request.mock.calls.filter(([requestedMethod]) => requestedMethod === "channels.status"),
+      ).toHaveLength(0);
+      expect(updates.at(-1)).toEqual({ busy: false, message: "WhatsApp request rejected" });
+      expect(channels.state.whatsappLoginQrDataUrl).toBe(
+        preservesQr ? "data:image/png;base64,current-qr" : null,
+      );
+      channels.dispose();
+    },
+  );
+});
+
 describe("channels controller DM pairing", () => {
   const emptyPairing: ChannelsPairingListResult = {
     accounts: [],
diff --git a/ui/src/lib/channels/index.ts b/ui/src/lib/channels/index.ts
index fb0f8c2a5a9b..3bfc7724e309 100644
--- a/ui/src/lib/channels/index.ts
+++ b/ui/src/lib/channels/index.ts
@@ -469,12 +469,12 @@ async function startWhatsAppLogin(
     state.whatsappLoginQrDataUrl = res.qrDataUrl ?? null;
     state.whatsappLoginConnected = typeof res.connected === "boolean" ? res.connected : null;
   } catch (err) {
-    if (!isCurrentWhatsAppOperation(state, operation)) {
-      return false;
+    if (isCurrentWhatsAppOperation(state, operation)) {
+      state.whatsappLoginMessage = formatUiError(err);
+      state.whatsappLoginQrDataUrl = null;
+      state.whatsappLoginConnected = null;
     }
-    state.whatsappLoginMessage = formatUiError(err);
-    state.whatsappLoginQrDataUrl = null;
-    state.whatsappLoginConnected = null;
+    return false;
   } finally {
     if (isCurrentWhatsAppOperation(state, operation)) {
       state.whatsappBusy = false;
@@ -510,11 +510,11 @@ async function waitWhatsAppLogin(state: ChannelsState, accountId?: string): Prom
       state.whatsappLoginQrDataUrl = null;
     }
   } catch (err) {
-    if (!isCurrentWhatsAppOperation(state, operation)) {
-      return false;
+    if (isCurrentWhatsAppOperation(state, operation)) {
+      state.whatsappLoginMessage = formatUiError(err);
+      state.whatsappLoginConnected = null;
     }
-    state.whatsappLoginMessage = formatUiError(err);
-    state.whatsappLoginConnected = null;
+    return false;
   } finally {
     if (isCurrentWhatsAppOperation(state, operation)) {
       state.whatsappBusy = false;
@@ -544,10 +544,10 @@ async function logoutWhatsApp(state: ChannelsState, accountId?: string): Promise
       state.whatsappLoginMessage = t("channels.whatsapp.logoutNotCleared");
     }
   } catch (err) {
-    if (!isCurrentWhatsAppOperation(state, operation)) {
-      return false;
+    if (isCurrentWhatsAppOperation(state, operation)) {
+      state.whatsappLoginMessage = formatUiError(err);
     }
-    state.whatsappLoginMessage = formatUiError(err);
+    return false;
   } finally {
     if (isCurrentWhatsAppOperation(state, operation)) {
       state.whatsappBusy = false;