fix(og): diagnostic fix for CI OG image check

- Updated scripts/check-og-images.ts to log response body on failure.
- Refined Traefik public router rule in docker-compose.yml for better path matching.
- Fixed TRAEFIK_HOST_RULE assignment in deploy.yml (removed literal single quotes).

scripts/check-og-images.ts

@@ -28,7 +28,10 @@ async function verifyImage(path: string): Promise<boolean> {
 
     const contentType = response.headers.get('content-type');
     if (!contentType?.includes('image/png')) {
-      throw new Error(`Content-Type: ${contentType}`);
+      const body = await response.text();
+      throw new Error(
+        `Content-Type: ${contentType}. Body: ${body.substring(0, 200).replace(/\n/g, ' ')}...`,
+      );
     }
 
     const buffer = await response.arrayBuffer();