/**
 * Validation Session Domain Types + Metric Profiles
 *
 * Shared observable validation model for agent execution.
 * Every run path (delegate, agent_test, system_run, audit) feeds the same model.
 */
export type ExecutionStatus = 'started' | 'completed' | 'failed' | 'timeout';
export type ValidationOutcome = 'healthy' | 'improved' | 'regressed' | 'inconclusive';
export type ValidationTriggerType = 'agent_test' | 'delegate_run' | 'system_run' | 'audit';
export interface ApiSnapshot {
    agent?: {
        enabled?: boolean;
        version?: number;
        display_name?: string;
    };
    activity?: {
        count?: number;
        latest_type?: string | null;
        latest_score?: number | null;
    };
    summary?: {
        consecutive_errors?: number;
        error_rate?: number;
    };
}
export interface CreateValidationSessionInput {
    id: string;
    agent_id: string;
    agent_version: number;
    trigger_type: ValidationTriggerType;
    goal?: string;
    metric_profile_json: string;
    baseline_version?: number;
    baseline_session_id?: string;
    execution_status: ExecutionStatus;
    validation_outcome: ValidationOutcome;
    summary?: string;
    recommendation?: string;
    before_snapshot_json?: string | null;
    after_snapshot_json?: string | null;
    report_json?: string | null;
    schema_version?: number;
    requires_approval?: number;
    started_at: number;
    ended_at?: number;
}
export interface ValidationSessionRow {
    id: string;
    agent_id: string;
    agent_version: number;
    trigger_type: string;
    goal: string | null;
    metric_profile_json: string;
    baseline_version: number | null;
    baseline_session_id: string | null;
    execution_status: string;
    validation_outcome: string;
    summary: string | null;
    recommendation: string | null;
    before_snapshot_json: string | null;
    after_snapshot_json: string | null;
    report_json: string | null;
    schema_version: number;
    requires_approval: number;
    started_at: number;
    ended_at: number | null;
}
export type MetricDirection = 'up_good' | 'down_good' | 'neutral';
export interface SaveValidationMetricInput {
    validation_session_id: string;
    name: string;
    value: number;
    baseline_value?: number | null;
    delta_value?: number | null;
    direction: MetricDirection;
}
export interface ValidationMetricRow {
    id: number;
    validation_session_id: string;
    name: string;
    value: number;
    baseline_value: number | null;
    delta_value: number | null;
    direction: string;
    created_at: number;
}
export interface AgentValidationStateRow {
    agent_id: string;
    trigger_type: string;
    approved_version: number | null;
    approved_session_id: string | null;
    current_status: string | null;
    last_validation_at: number | null;
    updated_at: number;
}
export interface UpdateValidationStateInput {
    approved_version?: number;
    approved_session_id?: string;
    current_status?: string;
    last_validation_at?: number;
}
export interface ValidationSessionDetail {
    session: ValidationSessionRow;
    metrics: ValidationMetricRow[];
}
export interface MetricThreshold {
    warn: number;
    critical: number;
}
export interface MetricProfile {
    primary_metrics: string[];
    thresholds: Record<string, MetricThreshold>;
    directions?: Record<string, MetricDirection>;
    extensions?: string[];
}
export declare function getMetricProfile(agentId: string): MetricProfile;
export declare function guardJsonSize(json: string | undefined | null): string | null;
export declare const SCHEMA_VERSION = 1;
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