#153 Remove HttpStatusCode enum

[tomwetjens]

Fixes #153

[Copilot]

Pull Request Overview

This PR removes the HttpStatusCode enum from the codebase and updates exception handling to directly use primitive status codes with revised exception types.

• Removed HttpStatusCode enum usage in tests and production code.
• Updated exception handling and unit tests to work with int status codes and new exception types.
• Consolidated exception flows in the receiving, sending, crypto, and XSD validation components.

Reviewed Changes

Copilot reviewed 27 out of 27 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
spring/src/test/java/org/lfenergy/shapeshifter/spring/service/receiving/UftpInternalControllerTest.java	Updated tests to remove HttpStatusCode usage and adjust expected HTTP status codes.
spring/src/main/java/org/lfenergy/shapeshifter/spring/service/receiving/UftpInternalController.java	Modified exception handling to use HttpStatusCode fields replaced with int values.
spring/src/main/java/org/lfenergy/shapeshifter/spring/service/handler/UftpPayloadDispatcher.java	Replaced UftpConnectorException with UftpNotImplementedException for missing handler cases.
spring/src/main/java/org/lfenergy/shapeshifter/spring/service/handler/UftpNotImplementedException.java	Introduced a new exception type for “not implemented” cases.
core/*	Multiple updates in tests, serialization, crypto, sending, and XSD validation modules to reflect the removal of the HttpStatusCode enum and updated exception handling.

Comments suppressed due to low confidence (1)

spring/src/test/java/org/lfenergy/shapeshifter/spring/service/receiving/UftpInternalControllerTest.java:100

• The test 'receiveUftpMessageUftpNotImplementedException' instantiates a UftpVerifyException but expects a 501 Not Implemented response, which may indicate a design mismatch. Consider using UftpNotImplementedException for not implemented scenarios to align the exception type with the expected HTTP status code.

  void receiveUftpMessageUftpNotImplementedException() {