Possible null reference return.

Non-nullable property 'YouTube' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'JSR' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Change ProgressBarJsInterop.DisposeAsync() to call GC.SuppressFinalize(object). This will prevent derived types that introduce a finalizer from needing to re-implement 'IDisposable' to call it. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1816)

Dereference of a possibly null reference.

The type 'YouTubeSummariser.Services.Configurations.OpenAISettings?' cannot be used as type parameter 'TService' in the generic type or method 'ServiceCollectionServiceExtensions.AddSingleton<TService>(IServiceCollection, TService)'. Nullability of type argument 'YouTubeSummariser.Services.Configurations.OpenAISettings?' doesn't match 'class' constraint.

Dereference of a possibly null reference.

The type 'YouTubeSummariser.Services.Configurations.PromptSettings?' cannot be used as type parameter 'TService' in the generic type or method 'ServiceCollectionServiceExtensions.AddSingleton<TService>(IServiceCollection, TService)'. Nullability of type argument 'YouTubeSummariser.Services.Configurations.PromptSettings?' doesn't match 'class' constraint.

Dereference of a possibly null reference.