v0.2.0 — CodeAgentCallbackHandler & usability improvements

What's New

• CodeAgentCallbackHandler: A rich-formatted callback handler that pretty-prints agent messages, code executions, and tool results to the terminal. Enabled by default.
• Agent response metrics utility: New helper function to retrieve token usage and performance metrics from an agent response.
• Increased default timeout: Code execution timeout raised from 60s to 180s.

v0.1.0

Initial release