0.2.1 — dangling reference validation

Workflow::dangling_refs(): every [node_id, slot] input reference is checked against the graph; broken links are caught client-side before POST /prompt. First step of the client-side validation layer.

comfyui-kit 0.2.0 — live progress

subscribe() streams typed WebSocket events from a running prompt (executing/progress/executed/status; binary previews as Binary). HTTP surface unchanged.

comfyui-kit 0.1.0

First release: queue_prompt / history / queue / view / upload_image / interrupt + guarded Workflow wrapper. HTTP only; WebSocket progress subscription planned for 0.2.