feat(acp): add experimental ACP support

Co-authored-by: Jonathan Taylor <visionik@pobox.com>

src/acp/types.ts

@@ -0,0 +1,30 @@
+import type { SessionId } from "@agentclientprotocol/sdk";
+
+import { VERSION } from "../version.js";
+
+export type AcpSession = {
+  sessionId: SessionId;
+  sessionKey: string;
+  cwd: string;
+  createdAt: number;
+  abortController: AbortController | null;
+  activeRunId: string | null;
+};
+
+export type AcpServerOptions = {
+  gatewayUrl?: string;
+  gatewayToken?: string;
+  gatewayPassword?: string;
+  defaultSessionKey?: string;
+  defaultSessionLabel?: string;
+  requireExistingSession?: boolean;
+  resetSession?: boolean;
+  prefixCwd?: boolean;
+  verbose?: boolean;
+};
+
+export const ACP_AGENT_INFO = {
+  name: "clawdbot-acp",
+  title: "Clawdbot ACP Gateway",
+  version: VERSION,
+};