- Replace stdout prints with stderr to avoid corrupting JSON-RPC protocol
- Fix issue with log messages being sent over stdout instead of stderr
- Ensure all debug/info messages don't interfere with protocol communication
- Apply fix to all example servers for consistent behavior

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

- Implement WAV file generation for sine wave tones
- Add base64 encoding function for binary data
- Update audio tool and prompt to generate real audio content
- Support duration and amplitude parameters

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>