/**
 * Classification Prompt
 *
 * AI prompt for classifying candidate messages as activities.
 * Split into two prompt types for better accuracy with smaller models:
 * - Suggestion prompt: For regular candidates where activity is in the >>> message
 * - Agreement prompt: For [AGREE] candidates pointing to earlier messages
 */
import type { ScrapedMetadata } from '../scraper/types';
import type { CandidateMessage } from '../types';
export { parseClassificationResponse } from './response-parser';
/**
 * Inject metadata JSON after each URL in text.
 * Returns the enriched text with metadata on lines after URLs.
 */
export declare function injectUrlMetadataIntoText(text: string, metadataMap: Map<string, ScrapedMetadata>): string;
/**
 * User context for classification.
 */
export interface ClassificationContext {
    /** User's home country (e.g., "New Zealand") - REQUIRED for location disambiguation */
    readonly homeCountry: string;
    /** User's timezone (e.g., "Pacific/Auckland") - optional, helps with temporal context */
    readonly timezone?: string | undefined;
    /** URL metadata map for enriching context - optional */
    readonly urlMetadata?: Map<string, ScrapedMetadata> | undefined;
}
export type PromptType = 'suggestion' | 'agreement';
/**
 * Build the classification prompt for a batch of candidates.
 * Automatically selects the appropriate prompt type based on candidate types.
 */
export declare function buildClassificationPrompt(candidates: readonly CandidateMessage[], context: ClassificationContext, promptType?: PromptType): string;
/**
 * Separate candidates into suggestion and agreement batches.
 * This allows processing them with different prompts for better accuracy.
 */
export declare function separateCandidatesByType(candidates: readonly CandidateMessage[]): {
    suggestions: CandidateMessage[];
    agreements: CandidateMessage[];
};
/**
 * Get a stable hash of the prompt template.
 *
 * Uses an "eigenprompt" approach: generates a prompt from a dummy candidate
 * and hashes it. Any change to prompt structure/constants will change the hash.
 *
 * Computed lazily and cached for the lifetime of the process.
 */
export declare function getPromptSignature(): string;
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