refactor: 인증 페이지를 React Hook Form 컴포넌트로 마이그레이션

- signup/page.tsx: SignupForm 컴포넌트 사용
- login/page.tsx: LoginForm 컴포넌트 사용
- reset-password/page.tsx: ResetPasswordForm 컴포넌트 사용
- auth/callback/route.ts: 불필요한 주석 제거

app/reset-password/page.tsx

@@ -1,8 +1,5 @@
 import FormMessage from "@/components/form-message";
-import { updatePassword } from "@/features/auth/actions";
-import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
-import { Label } from "@/components/ui/label";
+import ResetPasswordForm from "@/features/auth/components/reset-password-form";
 import {
   Card,
   CardContent,
@@ -105,38 +102,7 @@ export default async function ResetPasswordPage({
 
           {/* ========== 폼 영역 ========== */}
           <CardContent className="space-y-6">
-            {/* 비밀번호 업데이트 폼 */}
-            <form className="space-y-5">
-              {/* ========== 새 비밀번호 입력 ========== */}
-              <div className="space-y-2">
-                <Label htmlFor="password" className="text-sm font-medium">
-                  새 비밀번호
-                </Label>
-                <Input
-                  id="password"
-                  name="password"
-                  type="password"
-                  placeholder="••••••••"
-                  autoComplete="new-password"
-                  required
-                  minLength={8}
-                  pattern="^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[!@#$%^&*]).{8,}$"
-                  title="비밀번호는 최소 8자 이상, 대문자, 소문자, 숫자, 특수문자를 각각 1개 이상 포함해야 합니다."
-                  className="h-11 transition-all duration-200"
-                />
-                <p className="text-xs text-gray-500 dark:text-gray-400">
-                  최소 8자 이상, 대문자, 소문자, 숫자, 특수문자 포함
-                </p>
-              </div>
-
-              {/* ========== 비밀번호 변경 버튼 ========== */}
-              <Button
-                formAction={updatePassword}
-                className="h-11 w-full bg-gradient-to-r from-gray-900 to-black font-semibold text-white shadow-lg transition-all hover:from-black hover:to-gray-800 hover:shadow-xl dark:from-white dark:to-gray-100 dark:text-black dark:hover:from-gray-100 dark:hover:to-white"
-              >
-                비밀번호 변경
-              </Button>
-            </form>
+            <ResetPasswordForm />
           </CardContent>
         </Card>
       </div>