/** * Redacts a sensitive value, optionally showing the last N characters. * * @param value - The value to redact * @param showLastChars - If provided, reveals the last N characters with a leading mask * @returns The redacted string */ export function redactValue(value: string, showLastChars?: number): string { if (showLastChars) { return `....${value.slice(-showLastChars)}`; } return '[redacted]'; }