Introduce the notFoundError struct to provide more detailed error messages for missing handlers like alarms, JSON operations, and payload types. Update error handling to leverage the new custom type and use errors.As for better flexibility. Additionally, update module imports to version v2 in relevant files.
Introduced the SmartPackage struct to simplify and centralize logic for handling various payloads, including JSON and alarms. Moved specific handlers into dedicated functions and utilized maps for dynamic process function assignment. Improved error handling and modularity for better scalability and maintainability.