feat: update API client and remove unused services; enhance error handling and configuration

src/components/ui/sidebar.tsx

@@ -2,7 +2,7 @@
 
 import * as React from "react"
 import { Slot } from "@radix-ui/react-slot"
-import { cva, VariantProps } from "class-variance-authority"
+import { cva, type VariantProps } from "class-variance-authority"
 import { PanelLeftIcon } from "lucide-react"
 
 import { useIsMobile } from "@/hooks/use-mobile"

src/components/ui/sonner.tsx

@@ -1,5 +1,5 @@
 import { useTheme } from "next-themes"
-import { Toaster as Sonner, ToasterProps } from "sonner"
+import { Toaster as Sonner, type ToasterProps } from "sonner"
 
 const Toaster = ({ ...props }: ToasterProps) => {
   const { theme = "system" } = useTheme()