feat: 支持 acp-link 包进行 acp 通用的 remote-control (#292)

* fix: 修复超时问题

* feat: 添加 acp-link 代码

* refactor: 样式重构完成

* feat: RCS 添加 ACP 后端支持

- 新增 ACP WebSocket handler (agent 注册、EventBus 订阅)
- 新增 relay handler (前端 WS → acp-link 透传 + EventBus inbound 转发)
- 新增 SSE event stream 供外部消费者订阅 channel group 事件
- ACP REST 接口无鉴权 (agents、channel-groups)
- WebSocket 端点保留 token 鉴权
- SPA 路由 /acp/ 指向 acp.html

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: 添加 ACP 专属前端界面

- 新增 /acp/ SPA 页面 (agent 列表 + 实时交互)
- Agent 列表按 channel group 分组，显示在线状态
- 通过 RCS WebSocket relay 与 agent 通信
- Vite multi-page 构建 (index.html + acp.html)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: acp-link 支持 RCS relay 双向通信

- rcs-upstream 新增 messageHandler 转发非控制消息
- server.ts 新增虚拟 WS + relay client state 处理 relay ACP 消息
- newSession/loadSession 补充 mcpServers 参数
- 连接成功后显示 ACP Dashboard URL

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* refactor: 移除 FileExplorer 及文件操作相关代码

- 删除 FileExplorer 组件
- ACPMain 移除 Files tab，仅保留 Chat 和 History
- client.ts 移除 listDir/readFile/onFileChanges 等方法
- types.ts 移除 FileItem/FileContent/FileChange 等类型

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: 修复类型问题

* feat: RCS 后端统一 ACP/Bridge 注册逻辑

- store: EnvironmentRecord 增加 capabilities 字段、storeFindEnvironmentByMachineName 复用逻辑
- store: 新增 storeGetSessionOwners，支持未绑定 session 自动 claim
- environment: registerEnvironment 支持 ACP 复用已有记录，返回 session_id
- session: resolveOwnedWebSessionId 支持无 owner session 自动绑定
- acp-ws-handler: 新增 handleIdentify 支持 REST+WS 两步注册
- acp routes: /acp/relay 和 /acp/agents 支持 UUID 认证
- event-bus: 增加 error 类型 payload 日志

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: acp-link 改 REST 注册 + WS identify 两步流程

- rcs-upstream: 新增 registerViaRest() 通过 POST /v1/environments/bridge 注册
- rcs-upstream: WS 连接后发送 identify 替代 register，携带 agentId
- rcs-upstream: 入口链接改为 /code/?sid=${sessionId} 实现用户绑定
- server: 修复心跳跳过 relay 虚拟连接的 bug
- server: maxSessions 配置传入 RCS upstream

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: 前端统一 Chat 组件 + ACP 聊天界面重构

- 新增 chat/ 组件: ChatView, ChatInput, MessageBubble, ToolCallGroup, PermissionPanel, SessionSidebar, CommandMenu
- ACPMain: 重构支持完整 ACP 协议交互（session/prompt/permission）
- rcs-chat-adapter: 统一 bridge session SSE 适配器
- ACPClient: 增强 session 管理、permission 流程、streaming 支持
- index.css: 新增 chat 相关样式、动画、布局
- useCommands: 新增快捷命令 hook

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* refactor: 删除 /acp/ 独立页面，ACP 聊天统一到 /code/:sessionId

- 删除 acp.html、acp-main.tsx 入口文件和 pages/acp/ 目录
- SessionDetail: ACP session 在同一页面渲染 ACPSessionDetail 组件
- App.tsx: ?sid= 参数自动调用 apiBind 绑定用户 UUID
- Dashboard: 统一 session 列表导航，ACP 显示紫色标签
- relay-client: 改用 UUID 认证替代 API token
- EnvironmentList: 显示 workerType 标签（ACP Agent / Claude Code）
- index.ts: 移除 /acp/ SPA 路由，vite.config 移除 acp 入口

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* build: 更新构建及测试修复

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

packages/acp-link/src/__tests__/server.test.ts

@@ -0,0 +1,75 @@
+import { describe, test, expect } from "bun:test";
+import type { ServerConfig } from "../server.js";
+
+describe("Server HTTP endpoints", () => {
+  test("package.json has correct bin and main entries", async () => {
+    const pkg = await import("../../package.json", { with: { type: "json" } });
+    expect(pkg.default.name).toBe("acp-link");
+    expect(pkg.default.main).toBe("./dist/server.js");
+    expect(pkg.default.bin).toBeDefined();
+    expect(pkg.default.bin["acp-link"]).toBe("dist/cli/bin.js");
+  });
+
+  test("ServerConfig interface accepts all expected fields", () => {
+    const config: ServerConfig = {
+      port: 9315,
+      host: "localhost",
+      command: "echo",
+      args: [],
+      cwd: "/tmp",
+      debug: false,
+      token: "test-token",
+      https: false,
+    };
+    expect(config.port).toBe(9315);
+    expect(config.token).toBe("test-token");
+  });
+
+  test("ServerConfig allows optional fields to be omitted", () => {
+    const config: ServerConfig = {
+      port: 9315,
+      host: "localhost",
+      command: "echo",
+      args: [],
+      cwd: "/tmp",
+    };
+    expect(config.debug).toBeUndefined();
+    expect(config.token).toBeUndefined();
+    expect(config.https).toBeUndefined();
+  });
+});
+
+describe("WebSocket message types", () => {
+  const clientMessageTypes = [
+    "connect",
+    "disconnect",
+    "new_session",
+    "prompt",
+    "permission_response",
+    "cancel",
+    "set_session_model",
+    "list_sessions",
+    "load_session",
+    "resume_session",
+    "ping",
+  ];
+
+  test("all client message types are recognized", () => {
+    expect(clientMessageTypes.length).toBe(11);
+    expect(clientMessageTypes).toContain("ping");
+    expect(clientMessageTypes).toContain("connect");
+    expect(clientMessageTypes).toContain("cancel");
+  });
+});
+
+describe("Heartbeat constants", () => {
+  test("PERMISSION_TIMEOUT_MS is 5 minutes", () => {
+    const PERMISSION_TIMEOUT_MS = 5 * 60 * 1000;
+    expect(PERMISSION_TIMEOUT_MS).toBe(300_000);
+  });
+
+  test("HEARTBEAT_INTERVAL_MS is 30 seconds", () => {
+    const HEARTBEAT_INTERVAL_MS = 30_000;
+    expect(HEARTBEAT_INTERVAL_MS).toBe(30_000);
+  });
+});