Adds enhanced voice control with navigation, task management, and OpenAI/Anthropic integration using SpeechRecognition API. Replit-Commit-Author: Agent Replit-Commit-Session-Id: ff0be73b-afdd-4747-978b-bb8301fb0a82 Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9777c70b-fc38-4831-8d6b-78dfffe041b0/f810338f-6638-4b8d-a3ed-38475b263843.jpg