/**
 * Extension ref union assembler.
 *
 * Imports per-type concrete refs from feature folders and defines the
 * unified `ExtensionRef` union. This file is a leaf — feature folders
 * import only from `ref-base.ts`, never from this file.
 *
 * @experimental This API is unstable and may change without notice.
 * @packageDocumentation
 */
import type { SkillExtensionRef } from "../skills/refs.js";
import type { McpServerExtensionRef } from "../mcps/refs.js";
import type { SubagentExtensionRef } from "../subagents/refs.js";
import type { RuleExtensionRef } from "../rules/refs.js";
import type { HookExtensionRef } from "../hooks/refs.js";
import type { KnowledgeExtensionRef } from "../knowledge/refs.js";
import type { PackRef } from "../packs/refs.js";
/** @experimental */
export type ExtensionRef = SkillExtensionRef | McpServerExtensionRef | SubagentExtensionRef | RuleExtensionRef | HookExtensionRef | KnowledgeExtensionRef | PackRef;
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