Collapse source editors behind accordions

Wire file upload to populate Code fields

Bump gradio to 5.27, add help text below Run button

Fix: use gr.DataFrame (new name in gradio 5)

UI: flag LLM checkers with [LLM] tag, show always-run checks, improve status

Fix: move theme/css to Blocks constructor (gradio 5 API)

Fix: remove unsupported latex language param in gr.Code

Add Hugging Face Space frontend