/**
 * Normalize a project path to an absolute path for consistent DB keys
 */
export declare function normalizeProjectPath(cwd?: string): string;
/**
 * Simple character-based embedding for local vector search
 * Not production-quality, but good enough for local dev/testing
 */
export declare function simpleEmbedding(text: string, dimensions?: number): number[];
/**
 * Calculate cosine similarity between two vectors
 */
export declare function cosineSimilarity(a: number[], b: number[]): number;
/**
 * Get current timestamp in milliseconds
 */
export declare function now(): number;
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