WP output fixes

tools/wikipedia.py

@@ -50,7 +50,7 @@ async def _search(title: str, limit: int = 5, fallback: bool = False) -> str:
         return f"No Wikipedia results found for '{title}'."
     
     if fallback:
-        header = f"Article not found. Here are some similar results for '{title}':"
+        header = f"Article not found. Please select one of the following similar articles to proceed with '{title}':"
     else:
         header = f"Search results for '{title}':"
         
@@ -61,6 +61,9 @@ async def _search(title: str, limit: int = 5, fallback: bool = False) -> str:
         # Brackets around title help the AI identify the exact string for subsequent calls
         lines.append(f"{i}. [{title_res}] - Snippet: {snippet}")
     
+    if fallback:
+        lines.append("\n[Tip: Use the title in brackets [ ] to explore the selected page.]")
+        
     return "\n".join(lines)
 
 async def _fetch_content(title: str, section_index: int) -> Optional[str]: