Update documentation with AI Agent extraction features

- Updated CLAUDE.md with complete project state and capabilities
- Enhanced README.md with node extraction features and examples
- Added CHANGELOG.md to track version history
- Documented new MCP tools and resources for node source extraction
- Added special features section highlighting AI Agent capabilities

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

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

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+## [1.1.0] - 2024-01-07
+
+### Added
+- Node source code extraction capability via `get_node_source_code` tool
+- List available nodes functionality with `list_available_nodes` tool
+- `NodeSourceExtractor` utility for file system access to n8n nodes
+- Resource endpoint `nodes://source/{nodeType}` for accessing node source code
+- Docker test environment with mounted n8n node_modules
+- Comprehensive test suite for AI Agent node extraction
+- Test documentation in `docs/AI_AGENT_EXTRACTION_TEST.md`
+
+### Enhanced
+- MCP server can now access and extract n8n node implementations
+- Support for extracting credential definitions alongside node code
+- Package metadata included in extraction results
+
+## [1.0.0] - 2024-01-07
+
+### Initial Release
+- Complete n8n-MCP integration implementation
+- MCP server exposing n8n workflows as tools, resources, and prompts
+- Custom n8n node for connecting to MCP servers
+- Bidirectional data format conversion bridge
+- Token-based authentication system
+- Comprehensive error handling and logging
+- Full test coverage for core components
+- Docker support with production and development configurations
+- Installation scripts for n8n custom node deployment
+
+### MCP Tools
+- `execute_workflow` - Execute n8n workflows
+- `list_workflows` - List available workflows
+- `get_workflow` - Get workflow details
+- `create_workflow` - Create new workflows
+- `update_workflow` - Update existing workflows
+- `delete_workflow` - Delete workflows
+- `get_executions` - Get execution history
+- `get_execution_data` - Get execution details
+
+### MCP Resources
+- `workflow://active` - Active workflows
+- `workflow://all` - All workflows
+- `execution://recent` - Recent executions
+- `credentials://types` - Credential types
+- `nodes://available` - Available nodes
+
+### MCP Prompts
+- `create_workflow_prompt` - Workflow creation
+- `debug_workflow_prompt` - Workflow debugging
+- `optimize_workflow_prompt` - Workflow optimization
+- `explain_workflow_prompt` - Workflow explanation