Feature: Add Agent Economy and Introduce Major Enhancements to Core Systems

[AKKI0511]

Overview

This PR introduces Agent Economy capabilities and several major enhancements to the AgentConnect framework, significantly expanding the system's functionality, flexibility, and robustness.

Key Features

Agent Economy & Payments

• Implemented Agent payment capabilities using Coinbase Developer Platform (CDP) SDK and AgentKit
• Added wallet persistence for agents with agentconnect.utils.wallet_manager
• Integrated CDP environment validation and payment readiness checks
• Added payment address field to AgentMetadata and AgentRegistration
• Created payment capability template for agent prompts
• Included autonomous workflow demo showcasing inter-agent payments

Core Agent Enhancements

• Added standalone chat method in AIAgent for using agents without hub registration
• Enhanced HumanAgent with response callbacks and independent operation mode
• Added stop() method to BaseAgent for proper cleanup and resource management
• Improved CommunicationHub to handle late responses and request timeouts gracefully

Model & LLM Compatibility

• Enhanced reasoning step visualization in ToolTracerCallbackHandler for all LLM providers
• Added improved model support for OpenAI and Google AI
• Fixed reasoning step extraction for different LLM providers (OpenAI, Anthropic, Google)

Collaboration & Communication

• Added asynchronous collaboration request status checking tool
• Addressed collaboration request timeouts with new polling mechanism
• Enhanced CommunicationHub for better handling of late responses

Developer Experience

• Simplified and enhanced prompt templates for more customizable agents
• Updated all examples to use the stop() method for better cleanup
• Added comprehensive end-to-end developer guides in documentation
• Refactored postprocessing logic in agent_prompts.py for better error handling

Testing

• Added new tests for Human Agent functionality
• Added tests for React prompts
• Improved test coverage across core functionalities

Documentation

• Added detailed developer guides for onboarding
• Updated installation and quickstart documentation
• Added comprehensive API reference for new features

Technical Details

The implementation carefully integrates Coinbase CDP-SDK and AgentKit for secure cryptocurrency transactions between agents, while maintaining the decentralized architecture of the framework. All new features are implemented with backward compatibility in mind, and extensive error handling ensures robust operation even in edge cases.

Breaking Changes

None. All changes maintain backwards compatibility with existing code.

CHANGELOG

The CHANGELOG.md has been updated with all changes in the [Unreleased] section.