Add Anima-3.8B architecture model.

Add Krea-2 Anythng Controlnet.

Add Krea-2 Identity Edit injector.

Add Krea-2 architecture and Krea-2 ControlNet injector

Refactor UI event handlers into subpackage

Add FLUX.1, FLUX.2-KV, SD3.5 & additional base model architecture recipes

Add matrix-style dynamic workflows: task_type x model_type x chain_inject; rename Space to ImageGen