/**
 * Skills Module
 *
 * Skills are modular knowledge/workflow packages that teach AI how to perform
 * multi-step tasks using tools. Unlike tools (individual actions), skills are
 * recipes/playbooks that combine tools into coherent workflows.
 *
 * Aligned with the Anthropic Agent Skills specification, supporting:
 * - SKILL.md frontmatter parsing
 * - Skill directory loading (scripts/, references/, assets/)
 * - Spec fields: license, compatibility, specMetadata, allowedTools, resources
 * - Strict name validation (kebab-case, max 64 chars)
 *
 * @example Defining a skill with decorator
 * ```typescript
 * @Skill({
 *   name: 'review-pr',
 *   description: 'Review a GitHub pull request',
 *   instructions: `
 *     1. Fetch the PR details using github_get_pr
 *     2. Review each changed file...
 *   `,
 *   tools: ['github_get_pr', 'github_add_comment'],
 *   license: 'MIT',
 * })
 * class ReviewPRSkill extends SkillContext { ... }
 * ```
 *
 * @example Defining a skill with helper
 * ```typescript
 * const deploySkill = skill({
 *   name: 'deploy-app',
 *   description: 'Deploy application to production',
 *   instructions: { file: './skills/deploy.md' },
 *   tools: ['docker_build', 'k8s_apply'],
 * });
 * ```
 *
 * @example Loading a skill directory
 * ```typescript
 * const mySkill = await skillDir('./skills/review-pr');
 * ```
 *
 * @module skill
 */
export { default as SkillRegistry } from './skill.registry';
export type { SkillRegistryInterface, IndexedSkill, SkillRegistryOptions, GetSkillsOptions } from './skill.registry';
export { SkillInstance, createSkillInstance } from './skill.instance';
export { SkillEmitter } from './skill.events';
export type { SkillChangeEvent, SkillChangeKind, SkillChangeScope } from './skill.events';
export type { SkillStorageProvider, SkillStorageProviderType, SkillSearchOptions, SkillSearchResult, SkillLoadResult, SkillListOptions, SkillListResult, MutableSkillStorageProvider, } from './skill-storage.interface';
export type { SkillIndexCache, SkillIndexScoring } from './skill-index-cache.interface';
export { MemorySkillProvider } from './providers/memory-skill.provider';
export type { MemorySkillProviderOptions } from './providers/memory-skill.provider';
export { ExternalSkillProviderBase } from './providers/external-skill.provider';
export type { ExternalSkillMode, ExternalSkillProviderOptions, ExternalSkillSearchOptions, ExternalSkillListOptions, } from './providers/external-skill.provider';
export { SkillToolValidator } from './skill-validator';
export type { ToolValidationResult } from './skill-validator';
export { createSkillStorageProvider, createMemorySkillProvider } from './skill-storage.factory';
export type { SkillStorageFactoryOptions, SkillStorageFactoryResult, VectorDBSkillProviderOptions, ExternalSkillProviderConfig, ExtendedSkillStorageFactoryResult, } from './skill-storage.factory';
export { computeSkillHash, computeSkillHashComponents, areSkillsEqual, createEmptySyncState, serializeSyncState, deserializeSyncState, MemorySyncStateStore, } from './sync';
export type { SkillHashComponents, SkillSyncStatus, SkillSyncEntry, SkillSyncState, SerializedSkillSyncState, SkillSyncStateStore, SyncResult, } from './sync';
export { normalizeSkill, isSkillRecord, skillDiscoveryDeps, collectSkillMetadata, loadInstructions, buildSkillContent, formatSkillForLLM, } from './skill.utils';
export { parseSkillMdFrontmatter, skillMdFrontmatterToMetadata, loadSkillMdFile, stripFrontmatter, } from './skill-md-parser';
export type { SkillMdParseResult } from './skill-md-parser';
export { loadSkillDirectory, scanSkillResources, skillDir } from './skill-directory-loader';
export type { ScanResult } from './skill-directory-loader';
export { SkillSemanticSearchToken } from './semantic/skill-semantic-search.interface';
export type { SkillSemanticSearchProvider } from './semantic/skill-semantic-search.interface';
export { formatSkillsForLlmCompact, formatSkillsForLlmFull, formatSkillForLLMWithSchemas, skillToApiResponse, filterSkillsByVisibility, } from './skill-http.utils';
export type { CompactSkillSummary } from './skill-http.utils';
export { SearchSkillsFlow, LoadSkillFlow } from './flows';
export { SEP_2640_EXTENSION_ID, SEP_2640_META_NAMESPACE, SKILL_ARCHIVE_MIME_TYPES, SKILL_INDEX_MIME_TYPE, SKILL_INDEX_SCHEMA_URI, SKILL_INDEX_URI, SKILL_MD_MIME_TYPE, SKILL_MD_PRIORITY, SKILL_SUPPORT_PRIORITY, SKILL_URI_SCHEME, buildArchiveIndexEntry, buildResourceTemplateIndexEntry, buildSkillIndex, buildSkillMdIndexEntry, buildSkillUri, isSkillIndexUri, isSkillUri, parseSkillUri, parseSkillUriWithKnownSkill, serializeSkillMd, validateSkillPath, type ParsedSkillUri, type SkillIndexDocument, type SkillIndexEntry, type SkillIndexEntryType, } from './sep-2640';
export { getSep2640Resources, Sep2640SkillFileResource, Sep2640SkillIndexResource, Sep2640SkillMdResource, } from './sep-2640/resources';
export { findAndLoadSkillByPath, findSkillByPath, getSepVisibleSkills, readSkillFileByPath, } from './sep-2640/sep-2640.resource-helpers';
export { assertSkillAuthorized, filterSkillsByAuthorities, getSkillAuthorities } from './skill-authorities.helper';
export { findNestedSkillMd } from './skill-directory-loader';
export { SkillSessionManager } from './session/skill-session.manager';
export { MemorySkillSessionStore, createSkillSessionStore } from './session/skill-session-store.interface';
export type { SkillSessionStore } from './session/skill-session-store.interface';
export { serializeSessionState, deserializeSessionState, createEmptySessionState } from './session/skill-session.types';
export type { SkillSessionState, SkillSessionOptions, SkillActivationResult, ToolAuthorizationResult, SkillSessionEvent, SkillSecurityPolicy, SkillPolicyMode, SerializedSkillSessionState, } from './session/skill-session.types';
export { ToolAuthorizationGuard } from './guards/tool-authorization.guard';
export type { ToolAuthorizationGuardOptions } from './guards/tool-authorization.guard';
export { createSkillToolGuardHook, type SkillToolGuardHookOptions, type SkillToolGuardHookClass } from './hooks';
export { ToolNotAllowedError, ToolApprovalRequiredError } from './errors/tool-not-allowed.error';
export { SkillValidationError } from './errors/skill-validation.error';
export type { SkillValidationResult, SkillValidationReport } from './errors/skill-validation.error';
export { registerSkillCapabilities } from './skill-scope.helper';
export type { SkillScopeRegistrationOptions } from './skill-scope.helper';
export { registerSkillAuditWriter, setSkillAuditFactory, hasSkillAuditFactory } from './skill-audit.helper';
export type { AuditModuleShape, SkillAuditFactory } from './skill-audit.helper';
export { detectSkillsOnlyMode, isSkillsOnlySession } from './skill-mode.utils';
export type { SkillsOnlySessionPayload } from './skill-mode.utils';
export { buildSkillsCatalogSummary, composeInitializeInstructions, buildChannelInstructions, } from './skill-instructions.helper';
export type { InjectInstructionsPolicy } from './skill-instructions.helper';
export { SkillHttpAuthValidator, createSkillHttpAuthValidator } from './auth';
export type { SkillHttpAuthContext, SkillHttpAuthResult, SkillHttpAuthValidatorOptions } from './auth';
export { MemorySkillHttpCache, RedisSkillHttpCache, createSkillHttpCache, getSkillHttpCache, invalidateScopeCache, invalidateSkillInCache, disposeAllCaches, } from './cache';
export type { SkillHttpCache, SkillHttpCacheOptions, SkillHttpCacheResult } from './cache';
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