fix: canonical/og URLs from localhost to noglutenkorea.com (SEO critical)

Author: ki

app/layout.js

@@ -47,7 +47,7 @@ const dmSans = DM_Sans({
   display: "swap",
 });
 
-const siteUrl = process.env.NEXT_PUBLIC_SITE_URL || "http://localhost:3000";
+const siteUrl = process.env.NEXT_PUBLIC_SITE_URL || "https://noglutenkorea.com";
 const gaId = "G-YGVMPT7719";
 const defaultTitle = "No Gluten Korea | 한국 글루텐프리 레스토랑 & 카페 가이드";
 const defaultDescription =

app/place/[slug]/page.js

@@ -93,7 +93,7 @@ export default async function PlaceDetailPage({ params }) {
 
   if (!place) notFound();
 
-  const siteUrl = process.env.NEXT_PUBLIC_SITE_URL || "http://localhost:3000";
+  const siteUrl = process.env.NEXT_PUBLIC_SITE_URL || "https://noglutenkorea.com";
   const displayTypeEn = place.type || "Place";
   const displayType = TYPE_MAP[place.type] || place.type || "장소";
   const noteEn = place.note || place.note_ko;