Updated persistence layer to align with Exposed 1.0.0. Refactored table definitions to use `javaUUID` for consistency with `java.util.UUID`. Adjusted transaction handling for compatibility with the latest API changes. Enhanced error handling in database utility functions and refined pagination logic. Added documentation and migration updates for best practices with Exposed 1.0.0.
Archived obsolete Ping-Service documentation (`ping-service.md`, `PingService.md`) and replaced them with updated references (`PingService_Reference.md`, `Testing_with_Postman.md`). Improved clarity and organization of backend guides with a focus on current architecture, testing approaches, and microservice design principles. Documented the transition with a session log for traceability.