import type { CortexStore, SessionRow } from '../db/store.js';
export interface CompressedEvent {
    type: string;
    target?: string;
    count?: number;
    line_ranges?: [number, number][];
    iterations?: number;
    files?: string[];
    description?: string;
    exit_code?: number;
    category?: string;
}
export declare function consolidateLevel1(store: CortexStore, sessionId: string): CompressedEvent[];
/**
 * Returns sessions that have ended but have no session-layer state yet.
 */
export declare function getPendingConsolidation(store: CortexStore): SessionRow[];
/**
 * Write a session summary to the state table (layer='session'),
 * then prune raw events for that session.
 */
export declare function writeSessionSummary(store: CortexStore, sessionId: string, summary: string): void;
/**
 * Merge older session states into a project-level state when session count exceeds MERGE_THRESHOLD.
 * Returns true if a merge was performed, false otherwise.
 */
export declare function mergeProjectState(store: CortexStore): boolean;
export declare function renderCompressed(events: CompressedEvent[]): string;
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