Add Better Auth admin authentication

components/convex-client-provider.tsx

@@ -1,8 +1,11 @@
 "use client";
 
 import { ConvexProvider, ConvexReactClient } from "convex/react";
+import { ConvexBetterAuthProvider } from "@convex-dev/better-auth/react";
 import type { ReactNode } from "react";
 
+import { authClient } from "@/lib/auth-client";
+
 const convexUrl = process.env.NEXT_PUBLIC_CONVEX_URL;
 
 if (!convexUrl) {
@@ -11,6 +14,20 @@ if (!convexUrl) {
 
 const convex = new ConvexReactClient(convexUrl);
 
-export function ConvexClientProvider({ children }: { children: ReactNode }) {
-  return <ConvexProvider client={convex}>{children}</ConvexProvider>;
+export function ConvexClientProvider({
+  children,
+  initialToken,
+}: {
+  children: ReactNode;
+  initialToken?: string | null;
+}) {
+  return (
+    <ConvexBetterAuthProvider
+      client={convex}
+      authClient={authClient}
+      initialToken={initialToken}
+    >
+      <ConvexProvider client={convex}>{children}</ConvexProvider>
+    </ConvexBetterAuthProvider>
+  );
 }