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

app.py

@@ -2046,4 +2046,4 @@ with gr.Blocks(title="Generate Audio for Video", css=_SLOT_CSS, js=_GLOBAL_JS) a
     hf_video.change(fn=_sync,   inputs=[hf_video],   outputs=[taro_video, mma_video])
 
 print("[startup] app.py fully loaded — regen handlers registered, SSR disabled")
-demo.queue(max_size=10).launch(ssr_mode=False)
+demo.queue(max_size=10).launch(ssr_mode=False, height=900)