fix: list multiple device pod executors

cmd/hwlab-device-pod/main.test.ts

@@ -106,6 +106,41 @@ test("device pod executor exposes cloud-api authority boundary and method guards
   }
 });
 
+test("device pod executor lists and isolates multiple logical device pods", async () => {
+  const service = await startDevicePod("device-pod-main", {
+    HWLAB_DEVICE_POD_IDS: "device-pod-main, device-pod-alt"
+  });
+
+  try {
+    const list = await fetchJson(`http://127.0.0.1:${service.port}/v1/device-pods`);
+    assert.equal(list.selectedDevicePodId, "device-pod-main");
+    assert.deepEqual(list.devicePods.map((pod) => pod.devicePodId), ["device-pod-main", "device-pod-alt"]);
+    assert.equal(list.devicePods[1].routes.internalJob, "/v1/device-pods/device-pod-alt/jobs");
+
+    const mainJobResponse = await fetch(`http://127.0.0.1:${service.port}/v1/device-pods/device-pod-main/jobs`, {
+      method: "POST",
+      headers: { "content-type": "application/json", ...internalHeaders() },
+      body: JSON.stringify({ jobId: "job_multi_main", intent: "workspace.ls", traceId: "trc_multi_main", operationId: "op_multi_main" })
+    });
+    assert.equal(mainJobResponse.status, 409);
+    const altJobResponse = await fetch(`http://127.0.0.1:${service.port}/v1/device-pods/device-pod-alt/jobs`, {
+      method: "POST",
+      headers: { "content-type": "application/json", ...internalHeaders() },
+      body: JSON.stringify({ jobId: "job_multi_alt", intent: "workspace.ls", traceId: "trc_multi_alt", operationId: "op_multi_alt" })
+    });
+    assert.equal(altJobResponse.status, 409);
+
+    const mainJob = await fetchJson(`http://127.0.0.1:${service.port}/v1/device-pods/device-pod-main/jobs/job_multi_main`, { headers: internalHeaders() });
+    assert.equal(mainJob.job.devicePodId, "device-pod-main");
+    const altJob = await fetchJson(`http://127.0.0.1:${service.port}/v1/device-pods/device-pod-alt/jobs/job_multi_alt`, { headers: internalHeaders() });
+    assert.equal(altJob.job.devicePodId, "device-pod-alt");
+    const crossRead = await fetch(`http://127.0.0.1:${service.port}/v1/device-pods/device-pod-alt/jobs/job_multi_main`, { headers: internalHeaders() });
+    assert.equal(crossRead.status, 404);
+  } finally {
+    await service.stop();
+  }
+});
+
 test("device-pod executor bounds gateway output text", async () => {
   const longText = "z".repeat(13000);
   const cloudApi = createServer(async (request, response) => {

cmd/hwlab-device-pod/main.ts

@@ -9,6 +9,7 @@ const CONTRACT_VERSION = "device-pod-executor-v1";
 const DEFAULT_DEVICE_POD_ID = "device-pod-71-freq";
 const port = parsePort(process.env.HWLAB_DEVICE_POD_PORT, parsePort(process.env.PORT, 7601));
 const devicePodId = process.env.HWLAB_DEVICE_POD_ID || DEFAULT_DEVICE_POD_ID;
+const devicePodIds = configuredDevicePodIds(process.env.HWLAB_DEVICE_POD_IDS, devicePodId);
 const environment = process.env.HWLAB_ENVIRONMENT || process.env.HWLAB_GITOPS_PROFILE || "dev";
 const cloudApiInternalUrl = normalizeBaseUrl(process.env.HWLAB_CLOUD_API_INTERNAL_URL || process.env.HWLAB_CLOUD_API_URL);
 const internalToken = textOr(process.env.HWLAB_DEVICE_POD_INTERNAL_TOKEN, "");
@@ -70,6 +71,7 @@ function healthPayload() {
     ready: true,
     contractVersion: CONTRACT_VERSION,
     devicePodId,
+    devicePodIds,
     observedAt: new Date().toISOString(),
     role: "device-pod-internal-executor",
     authority: "hwlab-cloud-api",
@@ -88,17 +90,21 @@ function listPayload() {
     status: "ok",
     source: sourcePayload(),
     selectedDevicePodId: devicePodId,
-    devicePods: [{
-      devicePodId,
-      status: "executor-ready",
-      authority: "hwlab-cloud-api",
-      fake: false,
-      gatewayAdapter: gatewayAdapterState(),
-      routes: {
-        cloudAuthority: "/v1/device-pods",
-        internalJob: `/v1/device-pods/${encodeURIComponent(devicePodId)}/jobs`
-      }
-    }]
+    devicePods: devicePodIds.map((id) => executorDevicePodSummary(id))
+  };
+}
+
+function executorDevicePodSummary(id) {
+  return {
+    devicePodId: id,
+    status: "executor-ready",
+    authority: "hwlab-cloud-api",
+    fake: false,
+    gatewayAdapter: gatewayAdapterState(),
+    routes: {
+      cloudAuthority: "/v1/device-pods",
+      internalJob: `/v1/device-pods/${encodeURIComponent(id)}/jobs`
+    }
   };
 }
 
@@ -513,6 +519,18 @@ function normalizeBaseUrl(value) {
   return text ? text.replace(/\/+$/u, "") : "";
 }
 
+function configuredDevicePodIds(value, fallbackId) {
+  const ids = String(value ?? "")
+    .split(",")
+    .map((item) => item.trim())
+    .filter(Boolean);
+  const unique = [];
+  for (const id of [fallbackId, ...ids]) {
+    if (!unique.includes(id)) unique.push(id);
+  }
+  return unique;
+}
+
 function jobOutputPayload(job) {
   return {
     ...jobPayload(job),