Add fill_height=False to match Z-Image vertical positioning

- Add title and fill_height=False to gr.Blocks()
- Prevents UI from expanding to fill viewport
- Matches Z-Image screen positioning

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app.py

@@ -566,7 +566,10 @@ function() {
 }
 """
 
-with gr.Blocks() as demo:
+with gr.Blocks(
+    title="FLUX.2-Image",
+    fill_height=False,
+) as demo:
 
     # Inject CSS via HTML style tag
     gr.HTML(f"<style>{css}</style>")