import { afterEach, beforeEach, describe, expect, test } from "vitest";import { z } from "zod";import { AgentOs, binding, bindings } from "../src/index.js";import {	createProjectedAgentPackage,	type ProjectedAgentPackage,} from "./helpers/projected-agent-package.js"; /** * Mock ACP adapter that answers initialize/session/new and echoes its launch environment in agentInfo so * the test can assert the sidecar-injected system prompt. */const MOCK_ACP_ADAPTER = `let buffer = '';process.stdin.resume();process.stdin.on('data', (chunk) => {  const str = chunk instanceof Uint8Array ? new TextDecoder().decode(chunk) : String(chunk);  buffer += str;  while (true) {    const idx = buffer.indexOf('\\n');    if (idx === -1) break;    const line = buffer.substring(0, idx);    buffer = buffer.substring(idx + 1);    if (!line.trim()) continue;    try {      const msg = JSON.parse(line);      if (msg.id === undefined) continue;      let result;      switch (msg.method) {        case 'initialize':          result = { protocolVersion: 1, agentInfo: { name: 'mock-adapter', version: '1.0', systemPrompt: process.env.ACP_APPEND_SYSTEM_PROMPT || null } };          break;        case 'session/new':          result = { sessionId: 'mock-session-1' };          break;        case 'session/cancel':          result = {};          break;        default:          process.stdout.write(JSON.stringify({ jsonrpc: '2.0', id: msg.id, error: { code: -32601, message: 'Method not found' } }) + '\\n');          continue;      }      process.stdout.write(JSON.stringify({ jsonrpc: '2.0', id: msg.id, result }) + '\\n');    } catch (e) {}  }});`; const mathBindings = bindings({	name: "math",	description: "Math utilities",	bindings: {		add: binding({			description: "Add two numbers",			inputSchema: z.object({				a: z.number(),				b: z.number(),			}),			execute: ({ a, b }) => ({ sum: a + b }),			examples: [				{					description: "Add 1 and 2",					input: { a: 1, b: 2 },				},			],		}),	},}); describe("binding reference registration", () => {	let vm: AgentOs;	let agentPackage: ProjectedAgentPackage; 	beforeEach(async () => {		agentPackage = createProjectedAgentPackage({			name: "pi",			adapterScript: MOCK_ACP_ADAPTER,		});		vm = await AgentOs.create({			defaultSoftware: false,			software: [agentPackage.software],			bindings: [mathBindings],		});	}); 	afterEach(async () => {		await vm.dispose();		agentPackage.cleanup();	}); 	test("stores generated binding reference markdown on the VM", () => {		const bindingReference = (vm as unknown as { _bindingReference: string })			._bindingReference; 		expect(bindingReference).toContain("## Available Host Bindings");		expect(bindingReference).toContain(			"Run `agentos list-bindings` to see all available bindings.",		);		expect(bindingReference).toContain("### math");		expect(bindingReference).toContain("Math utilities");		expect(bindingReference).toContain(			"`agentos-math add --a <number> --b <number>`",		);		expect(bindingReference).toContain("Add 1 and 2");	}); 	test("openSession injects the registered binding reference into the system prompt", async () => {		const sessionId = "binding-reference";		await vm.openSession({ sessionId, agent: "pi" });		const agentInfo = (await vm.getSessionAgentInfo({ sessionId })) as {			systemPrompt?: string;		};		const prompt = agentInfo.systemPrompt ?? "";		expect(prompt).toContain("## Available Host Bindings");		expect(prompt).toContain("`agentos-math add --a <number> --b <number>`");		expect(prompt).toContain("### math"); 		await vm.unloadSession({ sessionId });	});});