diff --git a/scenarios/uptimerunner-basic/scenario.ts b/scenarios/uptimerunner-basic/scenario.ts
index 24ac575..9d449f7 100644
--- a/scenarios/uptimerunner-basic/scenario.ts
+++ b/scenarios/uptimerunner-basic/scenario.ts
@@ -1,15 +1,9 @@
 import { assert, assertEquals, assertRejects } 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 { RunnerFileStore } from "../../../uptime.link/ts_api/classes/runner-file-store.ts";
-import {
-  createRunnerSchedulesFromMonitors,
-  type IRunnerMonitorDefinition,
-} from "../../../uptime.link/ts_api/classes/runner-monitor-mapper.ts";
-import { createRunnerRequestHandler } from "../../../uptime.link/ts_api/classes/runner-request-handler.ts";
+import type { IRunnerMonitorDefinition } from "../../../uptime.link/ts_api/classes/runner-monitor-mapper.ts";
 import { RunnerResultIngestor } from "../../../uptime.link/ts_api/classes/runner-result-ingestor.ts";
-import { RunnerScheduler } from "../../../uptime.link/ts_api/classes/runner-scheduler.ts";
+import { RunnerRuntime } from "../../../uptime.link/ts_api/classes/runner-runtime.ts";
 import { UptimeRunner } from "../../../uptimerunner/ts/runner.ts";
 import type { IResultSubmitRequest } from "../../../uptimerunner/ts/interfaces.ts";
 
@@ -65,27 +59,20 @@ const main = async () => {
     },
   ];
 
-  const coordinator = new RunnerCoordinator();
-  const admin = new RunnerAdmin(coordinator);
-  const registration = admin.registerRunner({
+  const runtime = new RunnerRuntime({ monitors, now: () => 1000 });
+  const coordinator = runtime.coordinator;
+  const registration = await runtime.registerRunner({
     runnerId,
     token: runnerToken,
     labels: ["scenario:basic"],
   });
   assertEquals(registration.runner.runnerId, runnerId);
   assertEquals(registration.token, runnerToken);
-  const scheduler = new RunnerScheduler(coordinator, { now: () => 1000 });
-  const scheduleResult = scheduler.scheduleDueChecks(
-    createRunnerSchedulesFromMonitors(monitors),
-  );
+  const scheduleResult = await runtime.scheduleDueChecks();
   assertEquals(scheduleResult.scheduledChecks.length, 4);
   assertEquals(coordinator.getQueueLength(), 4);
-  assertEquals(
-    scheduler.scheduleDueChecks(scheduleResult.schedules).scheduledChecks
-      .length,
-    0,
-  );
-  const runnerRequestHandler = createRunnerRequestHandler(coordinator);
+  assertEquals((await runtime.scheduleDueChecks()).scheduledChecks.length, 0);
+  const runnerRequestHandler = runtime.createRequestHandler();
 
   const coordinatorServer = await startServer(async (request) => {
     if (
@@ -125,7 +112,8 @@ const main = async () => {
     assertEquals(coordinator.listResults().length, 4);
     assertEquals(coordinator.getQueueLength(), 0);
     assertMonitorStatusDerivation(coordinator.listResults());
-    await assertSnapshotPersistence(coordinator, targetServer.url);
+    assertEquals(runtime.listMonitorStates().length, 4);
+    await assertSnapshotPersistence(runtime, targetServer.url);
 
     const emptyResult = await runner.runOnce();
     assertEquals(emptyResult.checks.length, 0);
@@ -140,8 +128,7 @@ const main = async () => {
     });
     await assertRejects(() => unauthorizedRunner.runOnce(), Error, "401");
     await assertRunnerTokenLifecycle(
-      admin,
-      coordinator,
+      runtime,
       coordinatorServer.url,
       runner,
     );
@@ -226,16 +213,15 @@ function assertMonitorStatusDerivation(
 }
 
 async function assertRunnerTokenLifecycle(
-  adminArg: RunnerAdmin,
-  coordinatorArg: RunnerCoordinator,
+  runtimeArg: RunnerRuntime,
   instanceUrlArg: string,
   staleRunnerArg: UptimeRunner,
 ): Promise<void> {
-  const rotated = adminArg.rotateRunnerToken(runnerId, "rotated-token");
+  const rotated = await runtimeArg.rotateRunnerToken(runnerId, "rotated-token");
   assertEquals(rotated.token, "rotated-token");
-  assertEquals(adminArg.listRunners()[0].tokenPreview, "rotate...oken");
+  assertEquals(runtimeArg.admin.listRunners()[0].tokenPreview, "rotate...oken");
 
-  coordinatorArg.enqueueCheck({
+  runtimeArg.coordinator.enqueueCheck({
     id: "post-rotate-assumption",
     type: "assumption",
     assumedStatus: "ok",
@@ -255,42 +241,51 @@ async function assertRunnerTokenLifecycle(
   assertEquals(rotatedResult.results.length, 1);
   assertEquals(rotatedResult.results[0].status, "ok");
 
-  adminArg.disableRunner(runnerId);
-  assertEquals(adminArg.listRunners()[0].enabled, false);
+  await runtimeArg.disableRunner(runnerId);
+  assertEquals(runtimeArg.admin.listRunners()[0].enabled, false);
   await assertRejects(() => rotatedRunner.runOnce(), Error, "401");
 
-  adminArg.enableRunner(runnerId);
-  adminArg.setRunnerLabels(runnerId, ["scenario:basic", "role:external"]);
+  await runtimeArg.enableRunner(runnerId);
+  await runtimeArg.setRunnerLabels(runnerId, [
+    "scenario:basic",
+    "role:external",
+  ]);
   assertEquals(
-    adminArg.listRunners()[0].labels.includes("role:external"),
+    runtimeArg.admin.listRunners()[0].labels.includes("role:external"),
     true,
   );
 }
 
 async function assertSnapshotPersistence(
-  coordinatorArg: RunnerCoordinator,
+  runtimeArg: RunnerRuntime,
   targetUrlArg: string,
 ): Promise<void> {
   const snapshotPath = await Deno.makeTempFile();
   const store = RunnerFileStore.fromDenoPath(snapshotPath);
 
   try {
-    await store.save(coordinatorArg.getSnapshot());
-    const snapshot = await store.load();
-    assert(snapshot);
-    const restoredCoordinator = new RunnerCoordinator({ snapshot });
-    assertEquals(restoredCoordinator.listResults().length, 4);
-    assertEquals(restoredCoordinator.listRunners().length, 1);
-    restoredCoordinator.enqueueCheck({
+    const persistedRuntime = new RunnerRuntime({
+      coordinator: runtimeArg.coordinator,
+      fileStore: store,
+    });
+    await persistedRuntime.save();
+    const restoredRuntime = await RunnerRuntime.fromFileStore(store);
+    assertEquals(restoredRuntime.coordinator.listResults().length, 4);
+    assertEquals(restoredRuntime.coordinator.listRunners().length, 1);
+    assertEquals(restoredRuntime.listMonitorStates().length, 4);
+    restoredRuntime.coordinator.enqueueCheck({
       id: "post-restart-http-health",
       type: "http",
       url: targetUrlArg,
       expectedStatusCodes: [200],
       expectedBodyIncludes: "healthy",
+      metadata: {
+        monitorId: "post-restart-http-health",
+      },
     });
 
     const restoredServer = await startServer(
-      createRunnerRequestHandler(restoredCoordinator),
+      restoredRuntime.createRequestHandler(),
     );
     try {
       const restoredRunner = new UptimeRunner({
@@ -301,7 +296,8 @@ async function assertSnapshotPersistence(
       const restoredResult = await restoredRunner.runOnce();
       assertEquals(restoredResult.results.length, 1);
       assertEquals(restoredResult.results[0].status, "ok");
-      assertEquals(restoredCoordinator.listResults().length, 5);
+      assertEquals(restoredRuntime.coordinator.listResults().length, 5);
+      assertEquals(restoredRuntime.listMonitorStates().length, 5);
     } finally {
       await restoredServer.server.shutdown();
     }
diff --git a/scenarios/uptimerunner-vagrant/controller.ts b/scenarios/uptimerunner-vagrant/controller.ts
index a70e75c..de9a7fa 100644
--- a/scenarios/uptimerunner-vagrant/controller.ts
+++ b/scenarios/uptimerunner-vagrant/controller.ts
@@ -1,8 +1,6 @@
 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";
+import { RunnerRuntime } from "../../../uptime.link/ts_api/classes/runner-runtime.ts";
 
 const scenarioName = "uptimerunner-vagrant";
 const controllerHost = Deno.env.get("UPTIMELINK_CONTROLLER_HOST") ?? "0.0.0.0";
@@ -19,9 +17,9 @@ 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({
+  const runtime = new RunnerRuntime();
+  const coordinator = runtime.coordinator;
+  await runtime.registerRunner({
     runnerId,
     token: runnerToken,
     labels: ["scenario:vagrant", "role:internal"],
@@ -39,11 +37,10 @@ const main = async () => {
     },
   }, { runnerId });
 
-  const runnerRequestHandler = createRunnerRequestHandler(coordinator);
   const server = Deno.serve(
     { hostname: controllerHost, port: controllerPort },
     (request) => {
-      return runnerRequestHandler(request);
+      return runtime.handleRequest(request);
     },
   );