feat(ocpp2): add RequestStopTransaction command (#1587)

feat(ocpp2): add RequestStopTransaction command (#1587)

* feat(ocpp2): add RequestStopTransaction command

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* test: improve charging station mock tests

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: refine AI agent configurations

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: refine serena memories

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: ocpp log messages harmonization

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: harmonize string casting

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: improve debug level logging in OCPP stack

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* Update src/charging-station/ocpp/1.6/OCPP16ResponseService.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Update src/charging-station/ocpp/1.6/OCPP16ResponseService.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* [autofix.ci] apply automated fixes

* fix: properly resolve evse id

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* refactor: add helper to lookup evse id

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* refactor: cleanup payload validation code

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: cleanup logging code

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* refactor: cleanup payload validation code

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* refactor: align more with specs

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* refactor: constify some emums

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* chore: move opencode configuration to its directory

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
* test: fix tests

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
---------

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>