Populate-only examples (fix click break) + audio in closed accordion

app.py

@@ -170,7 +170,8 @@ with gr.Blocks(title="FastH3 OmniRef", theme=THEME, css=CSS) as demo:
                 img1 = gr.Image(label="Reference 1 · required", type="numpy", height=190)
                 img2 = gr.Image(label="Reference 2 · optional", type="numpy", height=190)
                 img3 = gr.Image(label="Reference 3 · optional", type="numpy", height=190)
-            audio = gr.Audio(label="Reference audio · optional (voice / sound to follow)", type="filepath")
+            with gr.Accordion("Reference audio (optional)", open=False):
+                audio = gr.Audio(label="Voice / sound for the clip to follow", type="filepath")
             prompt = gr.Textbox(
                 label="Prompt — the action, scene and sound",
                 value=DEFAULT_PROMPT,
@@ -198,14 +199,13 @@ with gr.Blocks(title="FastH3 OmniRef", theme=THEME, css=CSS) as demo:
 
     inputs = [prompt, img1, img2, img3, audio, resolution, length, seed]
 
+    # Populate-only: clicking loads the reference image + prompt + settings into
+    # the inputs; the user then presses Generate. (Caching the examples would run
+    # the ~5-min cold GPU build inside the examples runner, which is fragile.)
     gr.Examples(
-        label="Examples — click to load a reference image + prompt, then Generate",
+        label="Examples — click to load a reference image + prompt, then press Generate",
         examples=EXAMPLES,
         inputs=inputs,
-        outputs=[result],
-        fn=generate,
-        cache_examples=True,
-        cache_mode="lazy",  # cache on first click (GPU ready), not at build time
     )
 
     run.click(generate, inputs=inputs, outputs=[result], api_name="generate")