Module validator 

Skill Safety Gate

Provides validation for skills before they are registered in the registry. This is the first line of defense against malicious or malformed skills being injected into the system prompt.

Extension Point

SkillValidator is a trait — consumers can replace DefaultSkillValidator with a custom implementation (e.g., LLM-based content review, policy engine).

Structs

DefaultSkillValidator

Default skill validator with built-in safety checks

SkillValidationError

Validation error with structured reason

Enums

ValidationErrorKind

Traits

SkillValidator

Skill validator trait (extension point)