/**
 * Trust Delta types - represents changes to trust state
 */
import type { TrustBand } from './enums.js';
import type { TrustFactorScores, TrustEvidence } from './trust-profile.js';
/**
 * Reason for trust change
 */
export declare enum TrustDeltaReason {
    /** Positive evidence from successful execution */
    POSITIVE_EVIDENCE = "positive_evidence",
    /** Negative evidence from failed execution */
    NEGATIVE_EVIDENCE = "negative_evidence",
    /** Manual adjustment by administrator */
    MANUAL_ADJUSTMENT = "manual_adjustment",
    /** Time-based decay */
    TIME_DECAY = "time_decay",
    /** Band promotion after stability period */
    BAND_PROMOTION = "band_promotion",
    /** Band demotion due to incidents */
    BAND_DEMOTION = "band_demotion",
    /** Recalculation with new evidence */
    RECALCULATION = "recalculation",
    /** Observation tier change affecting ceiling */
    OBSERVATION_TIER_CHANGE = "observation_tier_change",
    /** Policy change affecting calculation */
    POLICY_CHANGE = "policy_change"
}
/**
 * Trust delta - a change in an agent's trust profile
 */
export interface TrustDelta {
    /** Unique delta identifier */
    deltaId: string;
    /** Agent whose trust changed */
    agentId: string;
    /** Profile ID before the change */
    previousProfileId: string;
    /** Profile ID after the change */
    newProfileId: string;
    /** Correlation ID if this resulted from an action */
    correlationId?: string;
    /** Why did trust change? */
    reason: TrustDeltaReason;
    /** Previous factor scores */
    previousFactorScores: TrustFactorScores;
    /** New factor scores */
    newFactorScores: TrustFactorScores;
    /** Previous composite score */
    previousCompositeScore: number;
    /** New composite score */
    newCompositeScore: number;
    /** Previous adjusted score */
    previousAdjustedScore: number;
    /** New adjusted score */
    newAdjustedScore: number;
    /** Previous trust band */
    previousBand: TrustBand;
    /** New trust band */
    newBand: TrustBand;
    /** Did the band change? */
    bandChanged: boolean;
    /** Evidence that caused this delta */
    triggeringEvidence?: TrustEvidence;
    /** Human-readable explanation */
    explanation: string;
    /** When the change occurred */
    occurredAt: Date;
    /** Who/what initiated the change */
    initiatedBy: string;
}
/**
 * Summary of trust delta for listings
 */
export interface TrustDeltaSummary {
    deltaId: string;
    agentId: string;
    reason: TrustDeltaReason;
    previousAdjustedScore: number;
    newAdjustedScore: number;
    scoreChange: number;
    bandChanged: boolean;
    previousBand: TrustBand;
    newBand: TrustBand;
    occurredAt: Date;
}
/**
 * Request to apply a manual trust adjustment
 */
export interface ManualTrustAdjustmentRequest {
    agentId: string;
    factorCode: string;
    adjustment: number;
    reason: string;
    initiatedBy: string;
}
/**
 * Trust trend analysis
 */
export interface TrustTrend {
    agentId: string;
    period: {
        start: Date;
        end: Date;
    };
    dataPoints: number;
    startScore: number;
    endScore: number;
    averageScore: number;
    minScore: number;
    maxScore: number;
    scoreChange: number;
    bandChanges: number;
    promotions: number;
    demotions: number;
    trend: 'improving' | 'stable' | 'declining';
    volatility: number;
}