Add content autocomplete to search dropdown

src/Api/Controllers/SearchController.php

@@ -294,11 +294,30 @@ class SearchController extends ListDiscussionsController
         return $discussions;
     }
 
-    protected function buildAutocompleteQuery(string $search): MatchQuery
+   	
+	protected function buildAutocompleteQuery(string $search): BoolQuery
 	{
-        return (new MatchQuery('title.autocomplete', $search))
+		$query = BoolQuery::create();
+	
+		// Title prefix match (stronger)
+		$query->add(
+			(new MatchQuery('title.autocomplete', $search))
 				->operator('and')
-            ->boost(1.0);
+				->boost(1.0),
+			'should'
+		);
+
+		// Content prefix match (weaker)
+		$query->add(
+			(new MatchQuery('content.autocomplete', $search))
+				->operator('and')
+				->boost(0.4),
+			'should'
+		);
+
+		$query->minimumShouldMatch(1);
+
+		return $query;
 	}
 
     /**