​

Release Notes - v1.18.4

​

Highlights

• YAML agent definitions with strict parsing, validation, and version checks.
• Blueprint and capability registries for mapping definitions to implementations.
• Definition loading and auto-discovery from files, directories, and .claude/agents.

​

New Features

​

Agent Definitions

• Added AgentDefinition DTO with LLM, execution, tool allow/deny, capabilities, and metadata.
• Added AgentDefinitionParser with strict key validation and version enforcement.
• Added AgentDefinitionLoader for loading definitions from files/directories (recursive supported).
• Added AgentDefinitionRegistry with auto-discovery and error collection.

​

Blueprint and Capability Registries

• Added AgentBlueprintRegistry for alias-to-class resolution.
• Added AgentDefinitionFactory to build agents from definitions via blueprints.
• Added AgentCapabilityRegistry for instance/factory resolution.

​

Tests

• Added unit tests for definition parsing/loading/registry and blueprint/capability registries.