/**
 * AgentFS 调试与存档公开 API。
 *
 * 实现拆在 `lib/agentfs-debug/`：
 * - browse：只读树 / 文件预览
 * - checkpoint：存档创建 / 列表 / 回退 / 删除
 * - sessions：磁盘 session 库列表
 *
 * 供 `channels/agentfs.ts` 与外部前端对接。写操作仅限 checkpoint API。
 */

export {
  AGENTFS_DEBUG_MAX_FILE_BYTES,
  CHECKPOINT_NAME_RE,
} from "./agentfs-debug/constants.js";

export {
  AgentFsDebugError,
  jsonError,
  mapAgentFsOpenError,
  mapFsError,
} from "./agentfs-debug/errors.js";

export {
  AGENTFS_BACKEND_NAME,
  assertSessionId,
  normalizeVirtualPath,
  resolveCheckpointDbPath,
  resolveCheckpointsDir,
  resolveDataDir,
  resolveSessionDbPath,
  resolveSessionsDir,
} from "./agentfs-debug/paths.js";

export {
  assertSessionDbExists,
  withAgentFs,
  withAgentFsAtPath,
  withSessionFileSystem,
} from "./agentfs-debug/open.js";

export { listSessionDbs } from "./agentfs-debug/sessions.js";

export { listTree, readFilePreview } from "./agentfs-debug/browse.js";

export {
  createCheckpoint,
  deleteCheckpoint,
  listCheckpoints,
  recursiveCopyFs,
  restoreCheckpoint,
} from "./agentfs-debug/checkpoint.js";

export type {
  CheckpointInfo,
  FilePreview,
  SessionDbInfo,
  TreeEntry,
} from "./agentfs-debug/types.js";