All four name-dispatch factories repeated the same if/elif lazy-import pattern. Replace with a ComponentFactory base class holding a callable registry and a _lazy() helper for the common import-and-construct case. PlantFactory is an orchestrator, not a dispatcher, and is left as-is. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Tqxrk8uj4M3w3d3eXm3xK8