frontend: provide Clerk-safe wrappers for secretless CI prerender

frontend/src/components/BoardApprovalsPanel.tsx

@@ -2,7 +2,7 @@
 
 import { useCallback, useMemo, useState } from "react";
 
-import { useAuth } from "@clerk/nextjs";
+import { useAuth } from "@/auth/clerk";
 import { useQueryClient } from "@tanstack/react-query";
 
 import { Clock } from "lucide-react";

frontend/src/components/organisms/LandingHero.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { SignInButton, SignedIn, SignedOut } from "@clerk/nextjs";
+import { SignInButton, SignedIn, SignedOut } from "@/auth/clerk";
 
 import { HeroCopy } from "@/components/molecules/HeroCopy";
 import { Button } from "@/components/ui/button";

frontend/src/components/organisms/UserMenu.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import Image from "next/image";
-import { SignOutButton, useUser } from "@clerk/nextjs";
+import { SignOutButton, useUser } from "@/auth/clerk";
 import { LogOut } from "lucide-react";
 
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";

frontend/src/components/templates/DashboardShell.tsx

@@ -2,7 +2,7 @@
 
 import type { ReactNode } from "react";
 
-import { SignedIn, useUser } from "@clerk/nextjs";
+import { SignedIn, useUser } from "@/auth/clerk";
 
 import { BrandMark } from "@/components/atoms/BrandMark";
 import { UserMenu } from "@/components/organisms/UserMenu";

frontend/src/components/templates/LandingShell.tsx

@@ -2,7 +2,7 @@
 
 import type { ReactNode } from "react";
 
-import { SignedIn } from "@clerk/nextjs";
+import { SignedIn } from "@/auth/clerk";
 
 import { BrandMark } from "@/components/atoms/BrandMark";
 import { UserMenu } from "@/components/organisms/UserMenu";