/**
 * General-purpose diagnostic types used throughout the eval lifecycle.
 *
 * Diagnostics surface problems and warnings in two contexts:
 *  - **Validation** (pre-execution): structural issues found in an eval YAML
 *    file before any execution happens (e.g. unknown grader types, missing
 *    files referenced by environment config).
 *  - **Runtime**: non-fatal conditions detected during eval execution (e.g.
 *    environment skill directories that lack a SKILL.md).
 *
 * The shared {@link Diagnostic} interface lets callers collect, route, and
 * render both classes of diagnostic uniformly.
 */
export type DiagnosticSeverity = "error" | "warning";
export interface Diagnostic {
    /** error = invalid configuration or unrecoverable problem; warning = suspicious but non-fatal */
    severity: DiagnosticSeverity;
    /** Machine-readable code, e.g. "unknown-grader-type" */
    code: string;
    /** Human-readable explanation */
    message: string;
    /** Location context: a JSON-path-like config location (e.g. "stimuli[0].graders[1].type") for validation diagnostics, or a filesystem path for runtime diagnostics. */
    path: string;
    /** Typo correction or next-step hint */
    suggestion?: string;
}
export interface ValidateResult {
    /** true when there are zero errors (warnings are acceptable) */
    valid: boolean;
    diagnostics: Diagnostic[];
}
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