Debug: log vidUpdate structure, handle all Gradio 5 video output shapes

Fix regen: capture pending slot/idx before hidePopup clears them

Fix regen: render=False on hidden Textboxes to stop 'Too many arguments' error

Debug: console.log in waveform click and global message listener

Fix regen: replace gr.State with gr.Textbox(visible=False) for regen plumbing

Fix blank iframe: set height=900 in launch() to override iFrameResizer height:0px

Fix UI layout: explicit scale=1 on all columns + CSS equal-width enforcement

Fix UI layout: replace gr.Group(visible=False) with gr.State for regen plumbing

Fix UI layout: move hidden regen groups outside gr.Row

Fix UI layout: move hidden regen textboxes into invisible gr.Group

Fix UI crash: replace hidden gr.Number with gr.Textbox for regen_seg inputs

Fix regen duration functions: add slot_id=None param to match regen function signatures

Fix regen: use properly-typed hidden Number/Textbox inputs for seg_idx and state_json

Fix regen: add _listenAndApply SSE handler + elem_id on output slots

Fix regen: bypass Svelte binding — call Gradio queue API directly from JS

Fix fireRegen: use correct prototype for textarea native setter

Disable SSR (ssr_mode=False) to fix regen Too many arguments

Fix regen: single-event trigger + generator-safe early-exit

Fix regen: embed state in trigger value, remove seg_state from inputs

Fix regen: CSS-hidden textboxes + remove _rtrig from outputs to fix Too many args

Fix fireRegen: clear+set pattern for Gradio 5 React .change()

Add regen debug logging + remove console.log noise

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Fix Too many arguments: separate gr.Group visibility from generation outputs

Fix waveform: popup via postMessage, regen, playhead, Too many args

Fix waveform rendering: use iframe srcdoc to ensure JS executes

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Sync video upload across all three model tabs

Add shared video upload above tabs — persists across model switches

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Fix MMAudio and HunyuanFoley video output retaining original audio

Calibrate GPU duration constants from measured H200 timings

Add per-model inference timing to calibrate GPU duration constants

Lower GPU duration estimates and add 300s hard cap

Fix dynamic duration arg order mismatch + leftover torchaudio import

Standardise crossfade defaults to 2s/3dB across all three models

Dynamic GPU duration: reserve only what each run actually needs

Cleanup: remove duplication and dead code across app.py

Unify mono and stereo crossfade into a single _cf_join function

Refactor: consolidate segmentation and crossfade into shared helpers

Add crossfade Duration/Boost controls to MMAudio and HunyuanFoley tabs

Fix crossfade: use equal-power fade envelopes in all 3 models