test: add remote runner vagrant scenario

scenarios/uptimerunner-vagrant/controller.ts

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+import { assert, assertEquals } from "jsr:@std/assert@^1.0.0";
+
+import { RunnerAdmin } from "../../../uptime.link/ts_api/classes/runner-admin.ts";
+import { RunnerCoordinator } from "../../../uptime.link/ts_api/classes/runner-coordinator.ts";
+import { createRunnerRequestHandler } from "../../../uptime.link/ts_api/classes/runner-request-handler.ts";
+
+const scenarioName = "uptimerunner-vagrant";
+const controllerHost = Deno.env.get("UPTIMELINK_CONTROLLER_HOST") ?? "0.0.0.0";
+const controllerPort = Number(
+  Deno.env.get("UPTIMELINK_CONTROLLER_PORT") ?? "8080",
+);
+const runnerId = Deno.env.get("UPTIMELINK_RUNNER_ID") ?? "vagrant-runner-1";
+const runnerToken = Deno.env.get("UPTIMELINK_RUNNER_TOKEN") ?? "vagrant-token";
+const targetPort = Number(Deno.env.get("UPTIMELINK_TARGET_PORT") ?? "18081");
+const timeoutMs = Number(
+  Deno.env.get("UPTIMELINK_VAGRANT_TIMEOUT_MS") ?? "120000",
+);
+const targetUrl = Deno.env.get("UPTIMELINK_RUNNER_TARGET_URL") ??
+  `http://127.0.0.1:${targetPort}/health`;
+
+const main = async () => {
+  const coordinator = new RunnerCoordinator();
+  const admin = new RunnerAdmin(coordinator);
+  admin.registerRunner({
+    runnerId,
+    token: runnerToken,
+    labels: ["scenario:vagrant", "role:internal"],
+  });
+
+  coordinator.enqueueCheck({
+    id: "vagrant-runner-local-http",
+    type: "http",
+    url: targetUrl,
+    expectedStatusCodes: [200],
+    expectedBodyIncludes: "runner-local healthy",
+    timeoutMs: 5000,
+    metadata: {
+      monitorId: "vagrant-runner-local-http",
+    },
+  }, { runnerId });
+
+  const runnerRequestHandler = createRunnerRequestHandler(coordinator);
+  const server = Deno.serve(
+    { hostname: controllerHost, port: controllerPort },
+    (request) => {
+      return runnerRequestHandler(request);
+    },
+  );
+
+  try {
+    console.log(
+      `[${scenarioName}] Controller listening on ${controllerHost}:${controllerPort}`,
+    );
+    console.log(`[${scenarioName}] Waiting for runner ${runnerId}`);
+
+    await waitFor(
+      () => coordinator.getRunner(runnerId)?.lastHeartbeat,
+      timeoutMs,
+    );
+    const result = await waitFor(
+      () =>
+        coordinator.listResults().find((candidate) => {
+          return candidate.checkId === "vagrant-runner-local-http";
+        }),
+      timeoutMs,
+    );
+
+    assert(result);
+    if (result.status !== "ok") {
+      console.error(JSON.stringify(result, null, 2));
+    }
+    assertEquals(result.runnerId, runnerId);
+    assertEquals(result.type, "http");
+    assertEquals(result.status, "ok");
+    assertEquals(result.statusCode, 200);
+    assert(result.responseTime !== undefined);
+    assertEquals(coordinator.getQueueLength(), 0);
+
+    console.log(`[${scenarioName}] Passed`);
+  } finally {
+    await server.shutdown();
+  }
+};
+
+async function waitFor<T>(
+  readArg: () => T | undefined,
+  timeoutMsArg: number,
+): Promise<T> {
+  const started = Date.now();
+  while (Date.now() - started < timeoutMsArg) {
+    const value = readArg();
+    if (value) {
+      return value;
+    }
+    await new Promise((resolve) => setTimeout(resolve, 500));
+  }
+  throw new Error(`Timed out after ${timeoutMsArg}ms.`);
+}
+
+if (import.meta.main) {
+  try {
+    await main();
+  } catch (error) {
+    console.error(
+      `[${scenarioName}] Failed: ${
+        error instanceof Error ? error.stack : String(error)
+      }`,
+    );
+    Deno.exit(1);
+  }
+}

scenarios/uptimerunner-vagrant/readme.md

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+# uptimerunner-vagrant
+
+This scenario verifies a real remote runner shape with two Vagrant machines:
+
+1. `controller` runs the uptime.link runner protocol handler.
+2. `runner` compiles and installs `uptimerunner` as a systemd service.
+3. `runner` also runs a local HTTP target on `127.0.0.1`.
+4. The controller assigns a check for that runner-local target.
+5. The remote runner heartbeats, executes the check from its own VM, and submits
+   the result back to the controller.
+
+Run it with:
+
+```bash
+pnpm scenario:uptimerunner-vagrant
+```
+
+Override the default private-network addresses if they collide locally:
+
+```bash
+UPTIMELINK_VAGRANT_CONTROLLER_IP=192.168.60.10 \
+UPTIMELINK_VAGRANT_RUNNER_IP=192.168.60.11 \
+pnpm scenario:uptimerunner-vagrant
+```
+
+The scenario defaults to `UPTIMELINK_VAGRANT_PROVIDER=libvirt`. If this host
+uses VirtualBox instead, run:
+
+```bash
+UPTIMELINK_VAGRANT_PROVIDER=virtualbox pnpm scenario:uptimerunner-vagrant
+```
+
+If the current shell has not picked up newly added `libvirt` group membership,
+run:
+
+```bash
+sg libvirt -c 'pnpm scenario:uptimerunner-vagrant'
+```