Add WebDAV upload URL debug logging

go_cloud/internal/storage/webdav.go

@@ -89,6 +89,8 @@ func (c *WebDAVClient) Upload(ctx context.Context, remotePath string, r io.Reade
 	}
 	full := fmt.Sprintf("%s%s/%s", c.baseURL, u, url.PathEscape(rel))
 	full = strings.ReplaceAll(full, "%2F", "/")
+	
+	fmt.Printf("[WEBDAV-UPLOAD] BaseURL: %s, BasePrefix: %s, RemotePath: %s, Full URL: %s\n", c.baseURL, c.basePrefix, remotePath, full)
 
 	req, err := http.NewRequestWithContext(ctx, "PUT", full, r)
 	if err != nil {