fix(og): use import.meta.url and fetch instead of readFileSync for next/og fonts

lib/og-helper.tsx

@@ -7,44 +7,31 @@ import { ImageResponse } from 'next/og';
  * Since we are using runtime = 'nodejs', we can read them from the filesystem.
  */
 export async function getOgFonts() {
-  const boldFontPath = join(process.cwd(), 'public/fonts/Inter-Bold.ttf');
-  const regularFontPath = join(process.cwd(), 'public/fonts/Inter-Regular.ttf');
-
   try {
-    console.log(`[OG] Loading fonts: bold=${boldFontPath}, regular=${regularFontPath}`);
-    const boldFontBuffer = readFileSync(boldFontPath);
-    const regularFontBuffer = readFileSync(regularFontPath);
+    const boldFontData = await fetch(
+      new URL('../public/fonts/Inter-Bold.ttf', import.meta.url)
+    ).then((res) => res.arrayBuffer());
 
-    // Satori (Vercel OG) strictly requires an ArrayBuffer, not a Node Buffer view.
-    const boldFont = boldFontBuffer.buffer.slice(
-      boldFontBuffer.byteOffset,
-      boldFontBuffer.byteOffset + boldFontBuffer.byteLength,
-    );
-    const regularFont = regularFontBuffer.buffer.slice(
-      regularFontBuffer.byteOffset,
-      regularFontBuffer.byteOffset + regularFontBuffer.byteLength,
-    );
-
-    console.log(
-      `[OG] Fonts loaded successfully (${boldFont.byteLength} and ${regularFont.byteLength} bytes)`,
-    );
+    const regularFontData = await fetch(
+      new URL('../public/fonts/Inter-Regular.ttf', import.meta.url)
+    ).then((res) => res.arrayBuffer());
 
     return [
       {
         name: 'Inter',
-        data: boldFont,
-        weight: 700 as const,
+        data: boldFontData,
         style: 'normal' as const,
+        weight: 700 as const,
       },
       {
         name: 'Inter',
-        data: regularFont,
-        weight: 400 as const,
+        data: regularFontData,
         style: 'normal' as const,
+        weight: 400 as const,
       },
     ];
   } catch (error) {
-    console.error(`[OG] Failed to load fonts from ${process.cwd()}:`, error);
+    console.error(`[OG] Failed to load fonts:`, error);
     return [];
   }
 }