feat: global login dialog with useRequireAuth hook for 401 auth gating

components/favorite-button.tsx

@@ -3,6 +3,7 @@
 import { Heart } from "lucide-react"
 import { useState } from "react"
 import { Button } from "@/components/ui/button"
+import { useRequireAuth } from "@/lib/use-require-auth"
 
 interface FavoriteButtonProps {
   initialFavorited: boolean
@@ -10,13 +11,14 @@ interface FavoriteButtonProps {
 
 export function FavoriteButton({ initialFavorited }: FavoriteButtonProps) {
   const [favorited, setFavorited] = useState(initialFavorited)
+  const { requireAuth } = useRequireAuth()
 
   return (
     <Button
       variant={favorited ? "default" : "outline"}
       size="sm"
       className="gap-1.5"
-      onClick={() => setFavorited(!favorited)}
+      onClick={() => requireAuth(() => setFavorited(!favorited))}
     >
       <Heart className={`h-4 w-4 ${favorited ? "fill-current" : ""}`} />
       {favorited ? "已收藏" : "收藏"}