Add explainable certificate path construction

trustlab/sdk/plugin-api.ts

@@ -22,6 +22,9 @@ export interface CertificateFacts {
   readonly isCa: boolean;
   readonly keyUsages: readonly CertificateKeyUsage[];
   readonly unsupportedCriticalExtensions?: readonly string[];
+  readonly pathLengthConstraint?: number;
+  readonly subjectKeyIdentifier?: string;
+  readonly authorityKeyIdentifier?: string;
   readonly selfSigned: boolean;
   readonly derBase64?: string;
   readonly der?: Readonly<Record<string, unknown>>;