refactoring - #1

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4, mamba-org/setup-micromamba@v2. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Identifier 'Double' contains type name (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1720)

Identifier 'Float' contains type name (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1720)

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Converting null literal or possible null value to non-nullable type.

Non-nullable field '_parent' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.