Type Alias ValidationErrorCode

ValidationErrorCode:
    | "required"
    | "type_mismatch"
    | "unknown_field"
    | "invalid_value"
    | "invalid_format"
    | "invalid_capability"
    | "invalid_when"
    | "invalid_slot"
    | "invalid_id"
    | "invalid_semver"
    | "invalid_engine_range"
    | "invalid_activation"
    | "invalid_reference"
    | "invalid_widget"
    | "invalid_manifest_version"

@ifc-lite/extensions — Extension model and capability grammar for IFClite.

Phase 0 surface. UI-host integration (loader, runtime, slot rendering) is added in Phase 1. AI authoring (Phase 2), flavors (Phase 3), and self-improvement loops (Phase 4) follow.

See docs/architecture/ai-customization/ for the full design.