/**
 * @rpa/core 包入口。
 *
 * 只导出引擎 API 与类型，不做能力注册副作用；
 * 纯 Node 能力通过 `@rpa/core/capabilities` 子路径按需拉起（保持与 demo 宿主
 * src/main/capabilities/index.ts 相同的副作用注册模型，见任务 4.2 再显式化）。
 */
export { createEngine, defaultEngine, RpaEngine, type ManualOperationSettings } from "./engine/engine";
export { register, getHandler, hasCapability, capabilityIds, capabilityCount } from "./engine/registry";
export { runFlow } from "./engine/runtime";
export { RuntimeError, BreakSignal, ContinueSignal, StopSignal, asRuntimeError } from "./engine/types";
export { setSubflowSource, getSubflowSource, type SubflowSource } from "./engine/host-bridge";
// PowerShell 助手（阶段 3 将移入 driver/windows/）：宿主留守能力（window-extended 等）经此引用
export { powershell, psString } from "./capabilities/desktop";
export type {
  BrowserLike,
  BrowserTabInfo,
  BrowserElementReference,
  BrowserElementInfo,
  BrowserSelectOption,
  BrowserSelectState,
  BrowserSimilarElementOptions,
  BrowserElementRegion,
  RunContext,
  CapabilityHandler,
  NodeState,
  RunResult
} from "./engine/types";
export type {
  CatalogWidget,
  CatalogField,
  CatalogOutput,
  CatalogComponent,
  CatalogGroup,
  Catalog,
  FlowVariable,
  FlowNodeOptions,
  FlowNode,
  FlowEdge,
  FlowDefinition,
  RunError,
  RunEvent
} from "./types";