Update src/prompts.py

src/prompts.py

@@ -168,8 +168,9 @@ USER'S QUESTION: {query}
 
 Respond in JSON:
 {{
-  "search_query": "keyword-optimized query for vector search (only if action is search)",
-  "sql_query": "SQLite SELECT query (only when route is sql or both)",
+  "search_query": "keyword-optimized query for vector search",
+  "sql_query": "SQLite SELECT query",
+  "display_query": "clear natural-language question for the AI to answer",
   "reasoning": "one sentence explaining your choice"
 }}
 """