fix: preserve chat composer focus on mobile keyboard

Keeps the textarea reference available during mobile viewport adjustments
Ensures the composer scrolls back into view after keyboard interactions
Updates text selection menu dependencies to include the current session

packages/ui/src/components/chat/message/TextSelectionMenu.tsx

@@ -544,7 +544,7 @@ export const TextSelectionMenu: React.FC<TextSelectionMenuProps> = ({ containerR
     } finally {
       setIsAddingToNotes(false);
     }
-  }, [currentProjectRef, hideMenu, selectedText, selectedTextMarkdown, t]);
+  }, [currentProjectRef, currentSessionId, hideMenu, selectedText, selectedTextMarkdown, t]);
 
   if (!position.show) return null;