Fix: ChatInterface examples must be list of lists with additional_inputs

app.py

@@ -1482,14 +1482,14 @@ with gr.Blocks(
                 type="messages",
                 additional_inputs=[chunks_state, embeddings_state, analysis_state],
                 examples=[
-                    "What are the main risks in this contract?",
-                    "Who are the parties involved?",
-                    "What happens if the contract is terminated?",
-                    "Are there any liability limitations?",
-                    "What are my obligations under this contract?",
-                    "Is there an arbitration clause?",
-                    "What is the governing law?",
-                    "Summarize the key terms in plain language.",
+                    ["What are the main risks in this contract?"],
+                    ["Who are the parties involved?"],
+                    ["What happens if the contract is terminated?"],
+                    ["Are there any liability limitations?"],
+                    ["What are my obligations under this contract?"],
+                    ["Is there an arbitration clause?"],
+                    ["What is the governing law?"],
+                    ["Summarize the key terms in plain language."],
                 ],
                 title="",
                 description="",