[TMPL-006] Template validation and testing

[DavinciDreams]

Overview

Create validation and testing utilities for agent templates.

Requirements

Template Validation

• Schema validation (JSON Schema)
• Required field checks
• Type checking
• Dependency validation

Testing Framework

• Unit tests for template instantiation
• Integration tests for agent execution
• Mock tool testing
• State graph validation

Linting

• Best practices enforcement
• Security checks
• Performance guidelines
• Documentation completeness

CI/CD

• Automated testing on template submission
• Template registry validation
• Version compatibility checks

Acceptance Criteria

• All templates pass validation
• Test coverage > 80%
• Linting with actionable messages
• CI integration for PR validation