Implement tool registry system for AI agents

[anchapin]

Summary

Missing core functionality for tool management in the AI agent system.

Location

ai-engine/tools/tool_utils.py:1-3

Context

# TODO(autogpt): Add a function that lists all tools in this directory.
# TODO(autogpt): Add a function that loads a tool by name.
# TODO(autogpt): Add a function that validates a tool's configuration.

Requirements

• Add function to list all available tools
• Add function to dynamically load tools by name
• Add tool configuration validation
• Improve agent extensibility and tool discovery

Priority

Medium - Important for system architecture and extensibility