perf: webp panorama q72 + effort 6 (giảm dung lượng tải)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

scripts/optimize-images.mjs

@@ -11,7 +11,7 @@ const BACKUP_DIR = path.join(ROOT, "image-originals");
 const LQIP_OUT = path.join(ROOT, "src/app/tours/chua-thai-lac.lqip.ts");
 
 const PANO_WIDTH = 4096;
-const PANO_WEBP_QUALITY = 78;
+const PANO_WEBP_QUALITY = 72;
 const PANO_QUALITY = 80;
 const LQIP_WIDTH = 32;
 const MODAL_FILES = ["modal-1.png", "modal-2.png"];
@@ -53,7 +53,7 @@ async function optimizePanoramas() {
     const webpBuf = await sharp(src)
       .rotate()
       .resize({ width: PANO_WIDTH, withoutEnlargement: true })
-      .webp({ quality: PANO_WEBP_QUALITY })
+      .webp({ quality: PANO_WEBP_QUALITY, effort: 6 })
       .toBuffer();
     await fs.writeFile(webpDest, webpBuf);