Fixes language persistence and directory filtering by removing page reload and adding "all" value. Replit-Commit-Author: Agent Replit-Commit-Session-Id: 5a4f78b4-6a2e-4391-b005-5544e086dac8 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9777c70b-fc38-4831-8d6b-78dfffe041b0/c7e18787-ad24-49c6-aa75-a51e3a1139f9.jpg