Add type ignore comments for chatbot and RAG document retrieval

app.py

@@ -89,7 +89,7 @@ with gr.Blocks(title="🩺 Nivra AI Agent") as demo:
     # -------------------------------
     # Chat UI
     # -------------------------------
-    chatbot = gr.Chatbot(show_label=False, type="messages")
+    chatbot = gr.Chatbot(show_label=False, type="messages") # type: ignore
     txt = gr.Textbox(
         placeholder="Describe your symptoms (e.g. fever, headache, rash)..."
     )

nivra_agent.py

@@ -247,7 +247,7 @@ def nivra_chat(user_input, chat_history=None):
         tool_results.append(analyze_symptom_text.invoke(user_input))
         rag = get_rag()
         if rag:
-            tool_results.append(rag.getRelevantDocs(user_input))
+            tool_results.append(rag.getRelevantDocs(user_input)) # type: ignore
         else:
             tool_results.append("RAG UNAVAILABLE")
     except Exception: