struct logs: add raw key for JSON blobs

[MariusBgm]

The raw field in slogs allows us to add debugging information in JSON.
In this case, add the FR ControllerConfig as a JSON object.

SILKIT-1827

[Copilot]

Pull Request Overview

Adds raw JSON logging support to structured logging by introducing a raw key that allows JSON objects to be embedded directly into log messages. The specific implementation adds FlexrayControllerConfig JSON serialization to message tracing.

• Adds new raw key to structured logging keys
• Implements JSON serialization for FlexrayControllerConfig in message tracing
• Updates logging infrastructure to handle raw JSON values without double-escaping

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
SilKit/source/services/logging/StructuredLoggingKeys.hpp	Adds new raw key and converts string keys to string_view for performance
SilKit/source/services/logging/SilKitFmtFormatters.hpp	Removes trailing empty line
SilKit/source/services/logging/MessageTracing.hpp	Adds YamlParser include and FlexrayControllerConfig JSON serialization to trace functions
SilKit/source/services/logging/Logger.cpp	Updates JSON formatting to handle raw key values without escaping
SilKit/source/core/internal/ServiceDescriptor.hpp	Updates return type to use string_view for key names
SilKit/source/config/YamlWriter.hpp	Adds FlexrayControllerConfig Write method declaration
SilKit/source/config/YamlWriter.cpp	Implements FlexrayControllerConfig Write method
SilKit/source/config/YamlParser.hpp	Adds include guard for Windows GetCurrentTime macro

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}