Add prompt safety filter and make guards mandatory

Hide download bars during model load

Show a real denoising progress bar

Fix misleading progress label during generation

Add generation progress feedback

Use more readable fonts (Inter for text, JetBrains Mono for code)

Improve demo UX: examples, advanced accordion, randomize seed, citation

Add paper (arXiv) and model links to demo header

Remove obsolete UI knobs not wired to the model

Remove Legacy Mode option from UI

Remove account/org info dump from startup logs

Add startup Hub access check (whoami + model_info)

Robust HF token resolution + startup diagnostic

Make app compatible with Gradio 6 (Space) and 4.x (local)

Add Gradio T2I demo with Nemotron 3.5 guard, model write-up, and figures