Improvements

Enhanced Security

• API key validation now ensures keys only contain alphanumeric characters, dashes, and underscores
• Improved error messages for invalid API key formats
• Better error handling for OAuth token refresh failures

Terminal Bell Control (macOS)

• Automatically attempts to disable the audio bell in Terminal.app profiles
• Reduces notification noise during command execution

At-Mention Content Display

• New visual formatting for at-mention content in conversations
• Better handling of user-provided file references

Performance Enhancements

• Prompt caching can now be disabled via DISABLE_PROMPT_CACHING environment variable
• Improved async handling for file operations and OAuth flows