add real time search

app.py

@@ -121,7 +121,9 @@ def should_use_search(query: str) -> bool:
 
 # Construct the prompt with optional search context
 def construct_model_prompt(user_query: str, search_context: str, history: List[Tuple[str, str]]) -> str:
-    instructions = "Use the information below if relevant to provide an accurate and concise answer. If no information is available, rely on your general knowledge."
+    instructions = (
+        "Based on the information provided below, deliver an accurate, concise, and easily understandable answer. If relevant information is missing, draw on your general knowledge and mention the absence of specific details."
+    )
     prompt = f"{instructions}\n\n{search_context if search_context else ''}\n\n{user_query} ?\n\n"
     return prompt