Refactor site building workflow and context handling; update API response structure for improved clarity and consistency. Adjust frontend components to align with new data structure, including error handling and loading states.

frontend/src/icons/index.ts

@@ -119,6 +119,7 @@ export {
 // Aliases for commonly used icon names
 export { AngleLeftIcon as ArrowLeftIcon };
 export { FileIcon as FileTextIcon };
+export { FileIcon as ImageIcon }; // Use FileIcon as ImageIcon alias
 export { TimeIcon as ClockIcon };
 export { ErrorIcon as XCircleIcon };
 export { BoxIcon as TagIcon };