glm-5.1
c3649256cc
feat(graph/subgraph-and-validation): implement subgraph and validation methods
- Add subgraph() method using graphology-operators.subgraph (ADR-007: internal-only edges)
- Add validateSchema() using TypeBox Value.Check/Value.Errors
- Add validateGraph() detecting cycles and dangling references
- Add validate() combining both validations
- Define ValidationError, GraphValidationError, AnyValidationError types in error module
- Add standalone validation functions in src/graph/validation.ts
- Export validation module from src/graph/index.ts
- Add 43 unit tests for subgraph filtering and validation