add extra GPU reservation buffer slider 0-10s and unique guest IP identification

add persistent CPU LoRA cache dropdown selector for instant re-use without redownload

add Prompt Relay Generation Mode dropdown (nsfw/sfw/general) to Sulphur AI Vision Engine

convert UI tabs into stacked vertical accordions from top to bottom

refactor UI into 2 sub-tabs for Sulphur & VIP RIFE, and set video merge to manual mode

embed Base64 Data URIs for showcase media to fix MIME errors permanently, and reorder RIFE VIP tab below Vision Prompt Engine

fix video MIME type paths in showcase.html, update allowed_paths in app.py, and optimize tab layout in ui.py

add header video showcase preview section, video merger engine, and persistent storage integration

bind prompt relay duration to main generator duration slider and increase RIFE timeout to 120s

limit VIP RIFE multiplier to max 4x (32/64 FPS)

fix BLIP describe image return statement in prompt_enhancer.py

refactor ui.py into modular ui_modules package for high maintainability

add 2-stage chaining mode for CPU motion extension + VIP remote GPU RIFE

add 2-stage chaining mode for CPU motion extension + VIP remote GPU RIFE

remove share=True tunnel to stabilize HF Space container

add Gradio LoginButton for direct domain ZeroGPU OAuth authentication

remove delete_cache background thread from gr.Blocks in ui.py

enforce