chore(ui): add shadcn badge, checkbox, sonner toaster, and useNow hook

- badge, checkbox, sonner shadcn primitives
- useNow hook for client-side now() with re-render
- mount <Toaster /> in the frontend root layout

src/app/(frontend)/layout.tsx

@@ -12,6 +12,7 @@ import { hasLogisticsQualification } from "@/utils/access-control/hasLogisticsQu
 import { ShipmentToasts } from "@/components/frontend/logistics/ShipmentToasts";
 import { GameTickRealtime } from "@/components/frontend/realtime/GameTickRealtime";
 import { LandingPage } from "@/components/frontend/LandingPage";
+import { Toaster } from "@/components/ui/sonner";
 
 export const metadata: Metadata = {
   description: "A gamified platform for Polaris Task Force, an Arma 3 unit.",
@@ -91,6 +92,7 @@ export default async function RootLayout(props: { children: React.ReactNode }) {
         )}
         {user && <GameTickRealtime />}
         {isLogistics && <ShipmentToasts />}
+        <Toaster />
       </body>
     </html>
   );

src/components/ui/badge.tsx

@@ -0,0 +1,48 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+import { Slot } from "radix-ui"
+
+import { cn } from "@/lib/utils"
+
+const badgeVariants = cva(
+  "inline-flex w-fit shrink-0 items-center justify-center gap-1 overflow-hidden rounded-full border border-transparent px-2 py-0.5 text-xs font-medium whitespace-nowrap transition-[color,box-shadow] focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 [&>svg]:pointer-events-none [&>svg]:size-3",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground [a&]:hover:bg-primary/90",
+        secondary:
+          "bg-secondary text-secondary-foreground [a&]:hover:bg-secondary/90",
+        destructive:
+          "bg-destructive text-white focus-visible:ring-destructive/20 dark:bg-destructive/60 dark:focus-visible:ring-destructive/40 [a&]:hover:bg-destructive/90",
+        outline:
+          "border-border text-foreground [a&]:hover:bg-accent [a&]:hover:text-accent-foreground",
+        ghost: "[a&]:hover:bg-accent [a&]:hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 [a&]:hover:underline",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  }
+)
+
+function Badge({
+  className,
+  variant = "default",
+  asChild = false,
+  ...props
+}: React.ComponentProps<"span"> &
+  VariantProps<typeof badgeVariants> & { asChild?: boolean }) {
+  const Comp = asChild ? Slot.Root : "span"
+
+  return (
+    <Comp
+      data-slot="badge"
+      data-variant={variant}
+      className={cn(badgeVariants({ variant }), className)}
+      {...props}
+    />
+  )
+}
+
+export { Badge, badgeVariants }

src/components/ui/checkbox.tsx

@@ -0,0 +1,32 @@
+"use client"
+
+import * as React from "react"
+import { CheckIcon } from "lucide-react"
+import { Checkbox as CheckboxPrimitive } from "radix-ui"
+
+import { cn } from "@/lib/utils"
+
+function Checkbox({
+  className,
+  ...props
+}: React.ComponentProps<typeof CheckboxPrimitive.Root>) {
+  return (
+    <CheckboxPrimitive.Root
+      data-slot="checkbox"
+      className={cn(
+        "peer size-4 shrink-0 rounded-[4px] border border-input shadow-xs transition-shadow outline-none focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 disabled:cursor-not-allowed disabled:opacity-50 aria-invalid:border-destructive aria-invalid:ring-destructive/20 data-[state=checked]:border-primary data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground dark:bg-input/30 dark:aria-invalid:ring-destructive/40 dark:data-[state=checked]:bg-primary",
+        className
+      )}
+      {...props}
+    >
+      <CheckboxPrimitive.Indicator
+        data-slot="checkbox-indicator"
+        className="grid place-content-center text-current transition-none"
+      >
+        <CheckIcon className="size-3.5" />
+      </CheckboxPrimitive.Indicator>
+    </CheckboxPrimitive.Root>
+  )
+}
+
+export { Checkbox }

src/components/ui/sonner.tsx

@@ -0,0 +1,11 @@
+"use client";
+
+import { Toaster as Sonner } from "sonner";
+
+type ToasterProps = React.ComponentProps<typeof Sonner>;
+
+const Toaster = ({ ...props }: ToasterProps) => {
+  return <Sonner theme="dark" className="toaster group" {...props} />;
+};
+
+export { Toaster };

src/hooks/useNow.ts

@@ -0,0 +1,14 @@
+"use client";
+
+import { useEffect, useState } from "react";
+
+export function useNow(intervalMs = 1000): number {
+  const [now, setNow] = useState(() => Date.now());
+
+  useEffect(() => {
+    const interval = setInterval(() => setNow(Date.now()), intervalMs);
+    return () => clearInterval(interval);
+  }, [intervalMs]);
+
+  return now;
+}