Add Mage-Flow architecture model.

Add JoyAI-Image architecture model.

Add AuraFlow architecture model.

Add Krea-2 architecture and Krea-2 ControlNet injector

Add PID (Pixel Diffusion Decoder) injector

Refactor UI event handlers into subpackage

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

Add Reference Latent Chains

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