/**
 * Unified Storage Abstraction
 *
 * Routes to LocalFileStorage (free tier) or Supabase (pro/dev tier)
 * based on the detected tier. Tools call getStorage() instead of
 * importing supabase-client directly.
 */
import type { RelevantScar } from "../types/index.js";
/**
 * Storage backend interface
 */
export interface StorageBackend {
    /**
     * Query records from a collection
     */
    query<T = unknown>(collection: string, options?: {
        select?: string;
        filters?: Record<string, string>;
        order?: string;
        limit?: number;
    }): Promise<T[]>;
    /**
     * Get a single record by ID
     */
    get<T = unknown>(collection: string, id: string): Promise<T | null>;
    /**
     * Upsert (insert or update) a record
     */
    upsert(collection: string, data: Record<string, unknown>): Promise<unknown>;
    /**
     * Search for relevant scars
     */
    search(query: string, k?: number): Promise<RelevantScar[]>;
}
/**
 * Get the storage backend for the current tier
 */
export declare function getStorage(): StorageBackend;
/**
 * Reset storage (for testing)
 */
export declare function resetStorage(): void;
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