fix(hwlab-node): allow diagnostics node op

internal/cloud/hwpod-node-ops.test.ts

@@ -18,6 +18,7 @@ test("cloud-api exposes hwpod-node-ops contract on /v1", async () => {
     assert.equal(payload.hwpod.contractVersion, "hwpod-node-ops-v1");
     assert.equal(payload.hwpod.apiRole, "node-ops-forwarder");
     assert.equal(payload.hwpod.specDiscoveryRoute, "/v1/hwpod/specs");
+    assert.ok(payload.hwpod.supportedOps.includes("node.diagnostics"));
     assert.ok(payload.hwpod.supportedOps.includes("workspace.ls"));
     assert.ok(payload.hwpod.supportedOps.includes("workspace.insert-after"));
     assert.equal(payload.hwlabNode.updateRoute, "/v1/hwlab-node/update");

tools/src/hwpod-node-ops-contract.ts

@@ -4,6 +4,7 @@ export const HWPOD_NODE_OPS = new Set([
   "node.health",
   "node.version",
   "node.inventory",
+  "node.diagnostics",
   "workspace.ls",
   "workspace.cat",
   "workspace.rg",