fix: the assistant's web search and page reading on by default, as the chat - they refused («ассистент выключен в профиле») anyone who never touched the switch

internal/server/search.go

@@ -262,7 +262,7 @@ func webSearch(ctx context.Context, q string, n int) ([]searchResult, error) {
 // assistant on (the «Поиск» switch is the page's: it lets the model ask).
 func (s *Server) handleAISearch(w http.ResponseWriter, r *http.Request) {
 	a := s.currentAdmin(r)
-	if on, _ := s.db.GetConfig(aiUserKey(a.ID)); on != "1" {
+	if !s.aiOn(a.ID) {
 		writeJSON(w, map[string]any{"ok": false, "error": "ассистент выключен в профиле"})
 		return
 	}