import { type LinkType, type MemoryKind } from "../constants.js";
import type { ProjectGraph } from "../types.js";
/**
 * Pure aggregation over a project's memory graph into the payload the
 * dashboard snippets render. Kept free of I/O so the numbers the MCP Apps
 * iframe shows are unit-testable without a daemon.
 */
export declare const ACTIVITY_WEEKS = 12;
export declare const TOP_TAG_LIMIT = 12;
export declare const TOP_CONNECTED_LIMIT = 5;
/** Node cap for the graph snippet payload — keeps structuredContent bounded. */
export declare const GRAPH_NODE_LIMIT = 300;
export interface ActivityWeek {
    /** ISO date (UTC midnight) of the first day of the bucket. */
    start: string;
    created: number;
    updated: number;
}
export interface MemoryInsights {
    project: {
        id: number;
        name: string;
    };
    generated_at: string;
    totals: {
        memories: number;
        links: number;
        distinct_tags: number;
        total_chars: number;
    };
    by_kind: Array<{
        kind: MemoryKind;
        count: number;
    }>;
    links_by_type: Array<{
        type: LinkType;
        count: number;
    }>;
    top_tags: Array<{
        tag: string;
        count: number;
    }>;
    /**
     * Oldest week first; 12 seven-day buckets aligned to UTC midnights, the
     * window ending at the first UTC midnight after `generated_at`.
     */
    activity: ActivityWeek[];
    top_connected: Array<{
        id: number;
        name: string;
        kind: MemoryKind;
        degree: number;
    }>;
    orphan_count: number;
    freshest?: {
        id: number;
        name: string;
        kind: MemoryKind;
        updated_at: string;
    };
}
export interface GraphPayload {
    project: {
        id: number;
        name: string;
    };
    nodes: Array<{
        id: number;
        name: string;
        kind: MemoryKind;
        tags: string[];
        degree: number;
    }>;
    edges: Array<{
        id: number;
        source: number;
        target: number;
        type: LinkType;
    }>;
    total_memories: number;
    total_links: number;
    truncated: boolean;
}
export declare function computeInsights(graph: ProjectGraph, now: Date): MemoryInsights;
export declare function toGraphPayload(graph: ProjectGraph, nodeLimit?: number): GraphPayload;
/** Text fallback: what the model (and any non-UI host) sees for memory_insights. */
export declare function renderInsightsText(insights: MemoryInsights): string;
/** Text fallback for memory_graph — a summary, never the full node/edge dump. */
export declare function renderGraphText(payload: GraphPayload): string;