import type { TraceActor } from '../session/session-identity.js';
export type FactCategory = 'preference' | 'convention' | 'decision' | 'learning';
export type SessionOutcome = 'completed' | 'failed' | 'abandoned';
export type MemoryUpdateAction = 'set' | 'supersede' | 'remove';
export type MemoryUpdateTarget = 'hot' | 'fact';
export type FactVerification = 'verified' | 'unverified' | 'not-applicable';
export interface Fact {
    id: number;
    session_id: string | null;
    created_at: string;
    category: FactCategory;
    content: string;
    source_surface: string;
    superseded_by: number | null;
    confidence: number;
    access_count: number;
    last_accessed: string | null;
    evidence: string | null;
}
export interface NewFact {
    session_id?: string;
    category: FactCategory;
    content: string;
    source_surface: string;
    evidence?: string | null;
}
export interface SessionRecord {
    session_id: string;
    surface: string;
    started_at: string;
    ended_at: string | null;
    summary: string | null;
    tools_used: string;
    outcome: SessionOutcome | null;
    token_count: number | null;
    cost_usd: number | null;
    actor?: TraceActor | null;
}
export interface NewSession {
    session_id: string;
    surface: string;
    actor?: TraceActor;
}
export interface Procedure {
    name: string;
    content: string;
    created: string;
    source_session: string | null;
    access_count: number;
}
export interface SearchOpts {
    category?: FactCategory;
    since?: string;
    limit?: number;
}
export interface MemorySearchResult {
    type: 'fact' | 'procedure';
    content: string;
    category?: FactCategory;
    created_at: string;
    source_session?: string | null;
    confidence: number;
    evidence?: string | null;
    verification?: FactVerification;
}
export interface WALEntry {
    type: 'fact' | 'session_start' | 'session_end' | 'supersede';
    timestamp: string;
    data: Record<string, unknown>;
}