fix(web): suggestions stay open when you return to the search quickly

Leaving the field scheduled a close 120 ms later; coming back and typing
within that window let the old timer hide the fresh suggestions. Focus now
cancels the pending close. This also made the search box test flaky.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/web/src/widgets/SearchBox.tsx

@@ -38,6 +38,7 @@ export function SearchBox({ align = 'center' }: { align?: 'left' | 'center' | 'r
   const [open, setOpen] = useState(false);
   const [active, setActive] = useState(-1);
   const [focused, setFocused] = useState(false);
+  const blurTimer = useRef<ReturnType<typeof setTimeout>>(undefined);
   // Свёрнут в круглую кнопку, пока не нужен: раскрывается по клику, «/» или Ctrl+K.
   const expanded = focused || q !== '';
 
@@ -167,12 +168,14 @@ export function SearchBox({ align = 'center' }: { align?: 'left' | 'center' | 'r
           setActive(-1);
         }}
         onFocus={() => {
+          // Вернулись в поле раньше, чем сработало закрытие по blur, — подсказки не прячем.
+          clearTimeout(blurTimer.current);
           setFocused(true);
           setOpen(true);
         }}
         onBlur={() => {
           setFocused(false);
-          setTimeout(close, 120);
+          blurTimer.current = setTimeout(close, 120);
         }}
         onKeyDown={onKeyDown}
       />