Update app.py

app.py

@@ -353,5 +353,24 @@ with gr.Blocks(title="Clare – Hanbridge AI Teaching Assistant") as demo:
         [summary_box],
     )
 
+
+
 if __name__ == "__main__":
     demo.launch()
+
+import os
+
+def test_langsmith():
+    print("=== Running LangSmith smoke test ===")
+    os.system("python langsmith_smoketest.py")
+    print("=== Done ===")
+
+with gr.Blocks() as demo:
+    ...
+    gr.Button("Run LangSmith Test").click(
+        test_langsmith, 
+        inputs=None, 
+        outputs=None
+    )
+
+demo.launch()