Split UI-coupled types into portable data (LumaCore) and
platform-specific editor profiles (Luma):
- TracerConfig: data struct + template stubs to LumaCore,
TracerEditorProfile stays with SwiftyMonaco in Luma
- CodeShareConfig + CodeShareProjectRef to LumaCore,
CodeShareEditorProfile stays in Luma
- CodeShareService: drop ObservableObject, move as
stateless enum with async methods to LumaCore
- HookPack: data struct to LumaCore, discovery stays
Add swift-crypto dependency for cross-platform SHA256.
Add FoundationNetworking import for Linux URLSession.
