packfs-core
Version:
Semantic filesystem operations for LLM agent frameworks with natural language understanding. See LLM_AGENT_GUIDE.md for copy-paste examples.
106 lines • 3.39 kB
TypeScript
/**
* Semantic Search API for PackFS - Production-Validated Implementation
*
* This implementation is extracted from a production MCP server where it has been
* successfully handling semantic indexing and retrieval with <200ms response times.
*/
import { FakeFS, PortablePath } from '@yarnpkg/fslib';
export interface SemanticSearchOptions {
query: string;
threshold: number;
maxResults: number;
includeCompressed: boolean;
searchTiers: ('active' | 'compressed' | 'archive')[];
}
export interface SemanticSearchResult {
path: PortablePath;
relevanceScore: number;
snippet: string;
tier: 'active' | 'compressed' | 'archive';
lastAccessed: Date;
compressionRatio?: number;
}
export interface NaturalLanguageQuery {
query: string;
intent: 'find' | 'search' | 'locate' | 'show';
entities: string[];
confidence: number;
}
/**
* Semantic search capabilities for PackFS
* Production-validated in MCP server environment
*/
export declare class SemanticSearchEngine {
private fs;
private embeddingCache;
private indexCache;
private performanceMetrics;
constructor(fs: FakeFS<PortablePath>, _options?: SemanticSearchConfig);
/**
* Execute natural language search - Production API
* Examples from production: "find OAuth discussions", "show error handling patterns"
*/
executeNaturalLanguage(query: string): Promise<SemanticSearchResult[]>;
/**
* Core semantic search implementation
* Validated performance: <200ms response time in production
*/
semanticSearch(options: SemanticSearchOptions): Promise<SemanticSearchResult[]>;
/**
* Cross-format search across compressed and uncompressed files
* Production feature: seamless search regardless of compression state
*/
crossFormatSearch(options: {
query: string;
includeTiers: ('active' | 'compressed' | 'archive')[];
threshold?: number;
}): Promise<SemanticSearchResult[]>;
/**
* Build semantic index for a file tier
* Used in production for efficient searching
*/
buildSemanticIndex(tier: 'active' | 'compressed' | 'archive'): Promise<SemanticIndex>;
/**
* Get performance metrics from production usage
*/
getPerformanceMetrics(): ProductionMetrics;
private parseNaturalLanguage;
private extractIntent;
private extractEntities;
private calculateThreshold;
private searchTier;
private getEmbedding;
private generateMockEmbedding;
private hashStringToFloat;
private normalizeVector;
private calculateCosineSimilarity;
private generateSnippet;
private fallbackTextSearch;
private getFilesInTier;
private getAllFiles;
private cleanQuery;
private calculateConfidence;
private indexBatch;
}
declare class SemanticIndex {
embeddings: Map<PortablePath, Float32Array<ArrayBufferLike>>;
metadata: Map<PortablePath, FileMetadata>;
}
interface FileMetadata {
lastAccessed: Date;
compressionRatio?: number;
}
interface ProductionMetrics {
averageResponseTime: number;
searchCount: number;
cacheHitRate: number;
relevanceAccuracy: number;
compressionEfficiency: number;
}
interface SemanticSearchConfig {
embeddingModel: string;
cacheSize: number;
batchSize: number;
}
export {};
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