/**
 * User Profile Learning — periodic AI analysis of user preferences.
 *
 * Pattern sourced from tickernelz/opencode-mem.
 * Analyzes user messages in batches to identify preferences, patterns, and workflows.
 * Uses the connected OpenCode provider — no extra API keys or data storage.
 *
 * Privacy: opt-in only (enabled: false by default).
 * No raw messages stored permanently — only analyzed summaries persist.
 */
import type { OpenCodeProviderService } from './opencode-provider.js';
export interface UserProfileConfig {
    enabled?: boolean;
    analysisInterval?: number;
    maxPreferences?: number;
    confidenceDecayDays?: number;
}
export interface UserPreference {
    key: string;
    value: string;
    confidence: number;
    category: 'code-style' | 'communication' | 'tool' | 'workflow' | 'preference';
    firstSeen: string;
    lastUpdated: string;
}
export interface UserProfileData {
    preferences: UserPreference[];
    detectedPatterns: string[];
    lastAnalysis: string | null;
    version: number;
}
/**
 * Service that periodically analyzes user messages to build a preference profile.
 * Uses the existing OpenCodeProviderService for LLM calls — no extra API keys.
 */
export declare class UserProfileService {
    private messageCount;
    private profile;
    private profilePath;
    private config;
    private opencodeProvider;
    private recentMessages;
    constructor(config: UserProfileConfig, opencodeProvider: OpenCodeProviderService, profileDir: string);
    /**
     * Called on each user message. Tracks message count and triggers
     * periodic analysis when analysisInterval is reached.
     * 0-risk: never throws.
     */
    onUserMessage(text: string): Promise<void>;
    /**
     * Run profile analysis and merge results.
     */
    private analyzeAndUpdate;
    /**
     * Apply confidence decay based on time since last update.
     * Older preferences lose confidence.
     */
    private applyConfidenceDecay;
    /**
     * Get profile context for system prompt injection.
     * Returns empty string if no profile exists or disabled.
     */
    getProfileInjection(): string;
    /**
     * Load profile from disk.
     */
    private loadProfile;
    /**
     * Save profile to disk.
     */
    private saveProfile;
    /**
     * Reset message counter (for testing).
     */
    resetMessageCount(): void;
    private isEnabled;
}