fix(update): skip package no-op installs

src/cli/update-cli.test.ts

@@ -837,6 +837,33 @@ describe("update-cli", () => {
     );
   });
 
+  it("skips package-manager updates when the installed version already matches the target", async () => {
+    const tempDir = createCaseDir("openclaw-update");
+    mockPackageInstallStatus(tempDir);
+    readPackageVersion.mockResolvedValue("2026.4.22");
+    vi.mocked(resolveNpmChannelTag).mockResolvedValue({
+      tag: "latest",
+      version: "2026.4.22",
+    });
+
+    await updateCommand({ yes: true });
+
+    const installCalls = vi
+      .mocked(runCommandWithTimeout)
+      .mock.calls.filter(
+        ([argv]) => Array.isArray(argv) && argv[0] === "npm" && argv[1] === "i" && argv[2] === "-g",
+      );
+    expect(installCalls).toEqual([]);
+    expect(syncPluginsForUpdateChannel).not.toHaveBeenCalled();
+    expect(updateNpmInstalledPlugins).not.toHaveBeenCalled();
+    expect(replaceConfigFile).not.toHaveBeenCalled();
+    expect(runRestartScript).not.toHaveBeenCalled();
+    expect(runDaemonRestart).not.toHaveBeenCalled();
+    expect(defaultRuntime.exit).toHaveBeenCalledWith(0);
+    const logs = vi.mocked(defaultRuntime.log).mock.calls.map((call) => String(call[0]));
+    expect(logs.join("\n")).toContain("already-current");
+  });
+
   it("blocks package updates when the target requires a newer Node runtime", async () => {
     mockPackageInstallStatus(createCaseDir("openclaw-update"));
     vi.mocked(fetchNpmPackageTargetStatus).mockResolvedValue({