Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Handle undefined username/password values by defaulting to empty string, preventing "undefined" from being encoded in the Authorization header. Fixes https://feedback.yaak.app/p/strange-basic-auth-behaviour-in-202612 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>