refactor(auth): unify current user state usage across UI

app/(auth)/login/page.tsx

@@ -9,7 +9,7 @@ import { z } from "zod"
 import { Button } from "@/components/ui/button"
 import { Input } from "@/components/ui/input"
 import { Label } from "@/components/ui/label"
-import { currentUser } from "@/lib/mock"
+import { getCurrentUserForLogin } from "@/lib/api"
 import { useAuthStore } from "@/store/auth"
 
 const loginSchema = z.object({
@@ -30,7 +30,7 @@ export default function LoginPage() {
 
   const onSubmit = async (_data: z.infer<typeof loginSchema>) => {
     await new Promise((r) => setTimeout(r, 500))
-    login(currentUser, ["consumer", "player", "owner"])
+    login(getCurrentUserForLogin(), ["consumer", "player", "owner"])
     router.push("/")
   }