
4
Classifies and handles success and failure across application layers with a closed taxonomy, structured exceptions and checks, extensible codes, error collection, and HTTP/gRPC status mapping.
1
Type modeling operation outcomes as Success or Failure with status taxonomy, monadic composition (map/flatMap/fold), status-aware builders and optional action context for richer error handling.
1
Shared structured identity vocabulary for services: origin, scope, kind, env, version, instance; parseable, immutable IDs with private vs external forms for safe exposure and tagging.