Add Legal Office seal and complete Azure CDN deployment

- Add Legal Office of the Master seal (SVG design with Maltese Cross, scales of justice, legal scroll)
- Create legal-office-manifest-template.json for Legal Office credentials
- Update SEAL_MAPPING.md and DESIGN_GUIDE.md with Legal Office seal documentation
- Complete Azure CDN infrastructure deployment:
  - Resource group, storage account, and container created
  - 17 PNG seal files uploaded to Azure Blob Storage
  - All manifest templates updated with Azure URLs
  - Configuration files generated (azure-cdn-config.env)
- Add comprehensive Azure CDN setup scripts and documentation
- Fix manifest URL generation to prevent double slashes
- Verify all seals accessible via HTTPS

packages/storage/src/storage.js

@@ -41,8 +41,11 @@ export class StorageClient {
             throw new Error(`Object ${key} not found or empty`);
         }
         const chunks = [];
-        for await (const chunk of response.Body) {
-            chunks.push(chunk);
+        if (response.Body) {
+            const body = response.Body;
+            for await (const chunk of body) {
+                chunks.push(chunk);
+            }
         }
         return Buffer.concat(chunks);
     }