Fixed MP3 export by importing lamejs modules directly from source: - Import MPEGMode, Lame, and BitStream from individual source files - Use Lame API directly instead of Mp3Encoder wrapper - Updated TypeScript declarations for each module - Resolves "MPEGMode is not defined" error 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>