/**
 * Behavioral Landscape — multi-dimensional identity map.
 *
 * Instead of a flat profile that averages all behavior, the landscape
 * maintains per-category profiles. An agent behaves differently on
 * different tasks — that's not noise, the PATTERN of variation IS
 * the identity.
 *
 * Uses landscape when sufficient per-category data exists (>5 per category).
 * Falls back to flat profile for new agents.
 */
import { type PhenotypicSignals } from "../experiment/signals.js";
/** Running statistics for a single feature — Welford's online algorithm. */
export interface FeatureStats {
    count: number;
    mean: number;
    m2: number;
}
/** Per-category behavioral profile. */
export interface CategoryProfile {
    category: string;
    featureStats: Record<string, FeatureStats>;
    observationCount: number;
}
/** How behavior shifts between task types. */
export interface TransitionSignature {
    fromCategory: string;
    toCategory: string;
    featureDelta: Record<string, number>;
    observationCount: number;
}
/** The full behavioral landscape — identity as a multi-dimensional map. */
export interface BehavioralLandscape {
    genomeHash: string;
    /** Per-category profiles — how the agent behaves on each task type. */
    categories: Map<string, CategoryProfile>;
    /** Cross-category stability metrics. */
    crossCategoryStability: Record<string, number>;
    /** How behavior shifts between task types. */
    transitions: TransitionSignature[];
    /** Flat profile across all categories (fallback for new agents). */
    flatFeatures: Record<string, FeatureStats>;
    /** Total observations across all categories. */
    totalObservations: number;
    /** Profile maturity based on observation depth. */
    maturity: "embryonic" | "juvenile" | "adult" | "elder";
    /** History of observation counts for drift detection. */
    observationTimestamps: number[];
}
/** Create an empty landscape for a genome. */
export declare function createLandscape(genomeHash: string): BehavioralLandscape;
/** Update the landscape with a new observation. */
export declare function updateLandscape(landscape: BehavioralLandscape, signals: PhenotypicSignals, category: string, previousCategory?: string): void;
/**
 * Match an observation against the landscape.
 *
 * Uses category-specific profile if available (>5 observations for that category).
 * Falls back to flat profile otherwise.
 */
export declare function matchLandscape(landscape: BehavioralLandscape, signals: PhenotypicSignals, category: string): LandscapeMatchResult;
export interface LandscapeMatchResult {
    matchRatio: number;
    featureDeviations: Array<{
        feature: string;
        zScore: number;
    }>;
    usedCategoryProfile: boolean;
    landscapeDepth: number;
    maturity: "embryonic" | "juvenile" | "adult" | "elder";
    totalObservations: number;
}
/**
 * Compute drift velocity — rate of profile change over recent observations.
 *
 * Low drift = healthy. Sudden high drift = suspicious.
 * Measured as average absolute z-score of recent observations against the profile.
 */
export declare function computeDriftVelocity(landscape: BehavioralLandscape, recentResults: LandscapeMatchResult[], windowSize?: number): number;
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