refactor: update imports in various components for consistency and remove unused imports

src/routes/_authenticated.tsx

@@ -13,7 +13,7 @@ import {
   DropdownMenuSeparator,
   DropdownMenuTrigger,
 } from "@/components/ui/dropdown-menu"
-import { Sheet, SheetContent, SheetDescription, SheetHeader, SheetTitle, SheetTrigger } from "@/components/ui/sheet"
+import { Sheet, SheetContent, SheetHeader, SheetTitle, SheetTrigger } from "@/components/ui/sheet"
 import { ModeToggle } from "@/components/mode-toggle"
 import {
   Menu,
@@ -30,6 +30,7 @@ import {
   FolderCheck,
 } from "lucide-react"
 import { useSupabaseAuth } from "@/auth/supabase"
+import { Toaster } from "sonner"
 
 export const Route = createFileRoute("/_authenticated")({
   beforeLoad: ({ context }) => {
@@ -140,6 +141,8 @@ function Layout() {
           {/* Welcome strip */}
           <Outlet />
         </main>
+        <Toaster />
+
       </div>
     </div>
   )