Revert "feat: use middleware to auth"

This reverts commit f57cdb5ec1.

src/app/api/login/route.ts

@@ -24,41 +24,6 @@ export async function POST(req: NextRequest) {
       );
     }
 
-    // 登录成功：写入 HttpOnly Cookie
-    const res = NextResponse.json({ ok: true });
-    res.cookies.set({
-      name: 'password',
-      value: password,
-      httpOnly: true,
-      sameSite: 'lax',
-      secure: process.env.NODE_ENV === 'production',
-      maxAge: 60 * 60 * 24 * 30, // 30 天
-      path: '/',
-    });
-
-    return res;
-  } catch (error) {
-    return NextResponse.json({ error: '服务器错误' }, { status: 500 });
-  }
-}
-
-// 使用 Cookie 校验登录状态
-export async function GET(req: NextRequest) {
-  try {
-    const result = process.env.PASSWORD;
-
-    // 未设置 PASSWORD 则直接放行
-    if (!result) {
-      return NextResponse.json({ ok: true });
-    }
-
-    const cookiePassword = req.cookies.get('password')?.value;
-    const matched = cookiePassword === result;
-
-    if (!matched) {
-      return NextResponse.json({ ok: false }, { status: 401 });
-    }
-
     return NextResponse.json({ ok: true });
   } catch (error) {
     return NextResponse.json({ error: '服务器错误' }, { status: 500 });