fix: move theme/css from launch() to Blocks() for gradio 5.x compat

app.py

@@ -836,7 +836,10 @@ def create_app() -> gr.Blocks:
     def _choice_val(idx: int) -> str:
         return agent_choices[min(idx, len(agent_choices) - 1)][1]
 
-    with gr.Blocks() as app:
+    with gr.Blocks(
+        theme=gr.themes.Soft(primary_hue="blue"),
+        css=CUSTOM_CSS,
+    ) as app:
 
         gr.HTML(build_header(data["last_updated"], len(entries)))
 
@@ -1334,7 +1337,4 @@ def create_app() -> gr.Blocks:
 # ═══════════════════════════════════════════════════════════════════
 
 if __name__ == "__main__":
-    create_app().launch(
-        theme=gr.themes.Soft(primary_hue="blue"),
-        css=CUSTOM_CSS,
-    )
+    create_app().launch()