Interface DriftReport

interface DriftReport {
    agentId: string;
    detectedAt: Date;
    driftDirection: "mixed" | "improved" | "degraded" | "stable";
    modelAfter: ModelVersion;
    modelBefore: ModelVersion;
    overallDrift: number;
    recommendation: "monitor" | "approve" | "rollback" | "investigate";
    signals: DriftSignal[];
    snapshotAfter: EvidenceSnapshot;
    snapshotBefore: EvidenceSnapshot;
    summary: string;
}