test(e2e): add first Vitest live smoke scenario

test/e2e-scenario/docs/MIGRATION.md

@@ -119,6 +119,10 @@ bash test/e2e-scenario/runtime/run-scenario.sh <id>
 # Metadata and framework validation
 bash test/e2e-scenario/runtime/coverage-report.sh
 npx vitest run --project e2e-scenario-framework --silent=false --reporter=default
+
+# Opt-in live Vitest scenarios
+npm run build:cli
+NEMOCLAW_RUN_E2E_SCENARIOS=1 npx vitest run --project e2e-scenarios-live --silent=false --reporter=default
 ```
 
 ## Cleanup rules

test/e2e-scenario/docs/README.md

@@ -144,6 +144,10 @@ npx tsx test/e2e-scenario/scenarios/run.ts --list
 npx tsx test/e2e-scenario/scenarios/run.ts --scenarios <id> --plan-only
 npx tsx test/e2e-scenario/scenarios/run.ts --scenarios <id> --dry-run
 npx tsx test/e2e-scenario/scenarios/run.ts --emit-matrix
+
+# Opt-in Vitest live scenario path
+npm run build:cli
+NEMOCLAW_RUN_E2E_SCENARIOS=1 npx vitest run --project e2e-scenarios-live --silent=false --reporter=default
 ```
 
 Override the runtime context directory with `E2E_CONTEXT_DIR=<path>` (default

test/e2e-scenario/live/ubuntu-repo-cli-smoke.test.ts

@@ -0,0 +1,29 @@
+// SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+import fs from "node:fs";
+import path from "node:path";
+
+import { expect, test } from "../framework/e2e-test.ts";
+
+const REPO_ROOT = path.resolve(import.meta.dirname, "../../..");
+const CLI_DIST_ENTRYPOINT = path.join(REPO_ROOT, "dist", "nemoclaw.js");
+
+test("ubuntu repo cli smoke", async ({ artifacts, host }) => {
+  await artifacts.writeJson("scenario.json", {
+    id: "ubuntu-repo-cli-smoke",
+    runner: "vitest",
+    boundary: "repo-local-cli",
+  });
+
+  expect(fs.existsSync(CLI_DIST_ENTRYPOINT), "run `npm run build:cli` before live repo CLI scenarios").toBe(true);
+
+  const result = await host.command(process.execPath, ["bin/nemoclaw.js", "--version"], {
+    artifactName: "repo-cli-version",
+    cwd: REPO_ROOT,
+    timeoutMs: 30_000,
+  });
+
+  expect(result.exitCode).toBe(0);
+  expect(result.stdout).toMatch(/^nemoclaw v/);
+});