0e4bcf174b
- Removed the ApiError class and related functions from the api-client module. - Updated vendor detail page to handle errors without the ApiError class. - Refactored various API modules to use in-memory mock data instead of commented-out fetch implementations. - Removed the auth-token module as it was no longer needed. - Updated error handling to use a more generic error structure. - Adjusted common types to include ApiResult interface for better type management.