test(gateway): consolidate server suites for speed

src/gateway/server.reload.test.ts

@@ -1,5 +1,12 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-import { getFreePort, installGatewayTestHooks, startGatewayServer } from "./test-helpers.js";
+import {
+  connectOk,
+  getFreePort,
+  installGatewayTestHooks,
+  rpcReq,
+  startGatewayServer,
+  startServerWithClient,
+} from "./test-helpers.js";
 
 const hoisted = vi.hoisted(() => {
   const cronInstances: Array<{
@@ -158,7 +165,7 @@ vi.mock("./config-reload.js", () => ({
   startGatewayConfigReloader: hoisted.startGatewayConfigReloader,
 }));
 
-installGatewayTestHooks();
+installGatewayTestHooks({ scope: "suite" });
 
 describe("gateway hot reload", () => {
   let prevSkipChannels: string | undefined;
@@ -298,3 +305,15 @@ describe("gateway hot reload", () => {
     await server.close();
   });
 });
+
+describe("gateway agents", () => {
+  it("lists configured agents via agents.list RPC", async () => {
+    const { server, ws } = await startServerWithClient();
+    await connectOk(ws);
+    const res = await rpcReq<{ agents: Array<{ id: string }> }>(ws, "agents.list", {});
+    expect(res.ok).toBe(true);
+    expect(res.payload?.agents.map((agent) => agent.id)).toContain("main");
+    ws.close();
+    await server.close();
+  });
+});