import { mcpTarget, mcpTest, cookieConsentStrategy } from "../src/testkit.mjs"; // the per-host seam: self-host dev + headless OAuth (no browser, runs in CI)export const selfhost = mcpTarget({  name: "selfhost",  server: "http://localhost:5173/mcp",  consent: cookieConsentStrategy({    appBaseUrl: "http://localhost:5173",    email: "admin@demo.test",    password: "demo-password-12345",  }),}); mcpTest("execute runs code in the sandbox and returns its value", selfhost, async (mcp) => {  mcp.say("Confirm the sandbox evaluates a program and returns the value.");  const tools = await mcp.listTools();  mcp.expect(tools).toContain("execute");  const r = await mcp.call("execute", { code: "return 6 * 7;" });  mcp.expect(r.text).toBe("42");}); mcpTest("execute can use string operations", selfhost, async (mcp) => {  const r = await mcp.call("execute", { code: "return 'mcp'.toUpperCase();" });  mcp.expect(r.text).toBe("MCP");});