Include search excerpt in wikipedia search results.

This directly references the search keywords in articles that may seem
unrelated based on their title or description alone.

profiler/src/profiler/TracyLlmTools.cpp

@@ -439,7 +439,8 @@ TracyLlmTools::ToolReply TracyLlmTools::SearchWikipedia( std::string query, cons
             { "key", key },
             { "title", page["title"] },
             { "description", page["description"] },
-            { "preview", summaryJson["extract"] }
+            { "preview", summaryJson["extract"] },
+            { "excerpt", page["excerpt"] }
         } );
     }