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/remote-control-server/web/src/lib/utils.ts

@@ -0,0 +1,71 @@
+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+export function esc(str: string | null | undefined): string {
+  if (!str) return "";
+  const value = String(str);
+  const div = document.createElement("div");
+  div.textContent = value;
+  return div.innerHTML;
+}
+
+export function formatTime(ts: number | null | undefined): string {
+  if (!ts) return "";
+  return new Date(ts * 1000).toLocaleString();
+}
+
+export function statusClass(status: string | null | undefined): string {
+  const map: Record<string, string> = {
+    active: "active",
+    running: "running",
+    idle: "idle",
+    inactive: "inactive",
+    requires_action: "requires_action",
+    archived: "archived",
+    error: "error",
+  };
+  return map[status || ""] || "default";
+}
+
+export function isClosedSessionStatus(status: string | null | undefined): boolean {
+  return status === "archived" || status === "inactive";
+}
+
+export function truncate(str: string | null | undefined, max: number): string {
+  if (!str) return "";
+  const s = String(str);
+  return s.length > max ? s.slice(0, max) + "..." : s;
+}
+
+export function generateMessageUuid(): string {
+  if (typeof crypto !== "undefined" && typeof crypto.randomUUID === "function") {
+    return crypto.randomUUID();
+  }
+  return `msg_${Date.now()}_${Math.random().toString(16).slice(2)}`;
+}
+
+export function extractEventText(payload: Record<string, unknown> | null | undefined): string {
+  if (!payload || typeof payload !== "object") return "";
+  if (typeof payload.content === "string") return payload.content;
+  const msg = payload.message as Record<string, unknown> | undefined;
+  if (msg && typeof msg === "object" && Array.isArray(msg.content)) {
+    const texts = msg.content
+      .filter((b: Record<string, unknown>) => b && b.type === "text" && typeof b.text === "string")
+      .map((b: Record<string, unknown>) => b.text as string);
+    if (texts.length > 0) return texts.join("\n");
+  }
+  return "";
+}
+
+export function isConversationClearedStatus(
+  payload: Record<string, unknown> | null | undefined,
+): boolean {
+  if (!payload || typeof payload !== "object") return false;
+  if (payload.status === "conversation_cleared") return true;
+  const raw = payload.raw as Record<string, unknown> | undefined;
+  return !!raw && typeof raw === "object" && raw.status === "conversation_cleared";
+}