/**
 * Utility functions for Claude client operations.
 */
/** Validate regex pattern for ReDoS safety */
export function isRegexSafe(pattern) {
    if (pattern.length > 200) {
        return false;
    }
    const dangerousPatterns = [
        /\(\.\*\)\+/, // (.*)+
        /\(\.\+\)\*/, // (.+)*
        /\(\.\*\)\*/, // (.*)*
        /\(\.\+\)\+/, // (.+)+
        /\([^)]*\|[^)]*\)\+/, // (a|b)+
        /\([^)]*\|[^)]*\)\*/, // (a|b)*
    ];
    for (const dangerous of dangerousPatterns) {
        if (dangerous.test(pattern)) {
            return false;
        }
    }
    return true;
}
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