feat: implement local authentication mode and update related components

frontend/src/components/providers/AuthProvider.tsx

@@ -4,8 +4,17 @@ import { ClerkProvider } from "@clerk/nextjs";
 import type { ReactNode } from "react";
 
 import { isLikelyValidClerkPublishableKey } from "@/auth/clerkKey";
+import { getLocalAuthToken, isLocalAuthMode } from "@/auth/localAuth";
+import { LocalAuthLogin } from "@/components/organisms/LocalAuthLogin";
 
 export function AuthProvider({ children }: { children: ReactNode }) {
+  if (isLocalAuthMode()) {
+    if (!getLocalAuthToken()) {
+      return <LocalAuthLogin />;
+    }
+    return <>{children}</>;
+  }
+
   const publishableKey = process.env.NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY;
   const afterSignOutUrl =
     process.env.NEXT_PUBLIC_CLERK_AFTER_SIGN_OUT_URL ?? "/";