IntelliSense Not Functioning in VS Code for File-Based C# Apps Using dotnet run app.cs

[noopd13]

Expected Behavior:
IntelliSense should provide standard features like code suggestions and auto-completion, similar to traditional project-based C# files.

Environment:

• .NET SDK Version: 10.0.100-preview.4.25258.110
• Visual Studio Code Version: 1.100.3