---
number: 7
title: "Feature/yaml serialization"
state: closed
labels:
---

Add comprehensive YAML serialization/deserialization system:
- FlowSerializer class with to_yaml()/from_yaml() methods
- FlowValidator for YAML schema validation
- Support for all node types and Pydantic models
- Tool registry system
- Examples and comprehensive tests
- Mock execution tests

Dependencies:
- Add PyYAML dependency

Examples:
- sample_flow.yaml: Example YAML flow
- test_simple_yaml.py: Basic usage
- test_validation.py: Validation examples
- test_yaml_serializer.py: Complete roundtrip test

Tests:
- tests/test_flow_execution.py: Mock execution tests"