Auto-detect metadata-only CLI mode to suppress DB/transport init - #2485

/home/runner/work/wolverine/wolverine/src/Wolverine/Runtime/Agents/IAgent.cs(34,27): warning CS1066: The default value specified for parameter 'cancellationToken' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Middleware/TryCatchFinallyFrame.cs(177,17): warning CS8767: Nullability of reference types in type of parameter 'variable' of 'bool CatchBlockMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' doesn't match implicitly implemented member 'bool IMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Runtime/Agents/IAgent.cs(34,27): warning CS1066: The default value specified for parameter 'cancellationToken' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]