Fix lint scripts: yamllint is Python, not Node

[Copilot]

Pull Request

Description

The lint scripts were invoking npx yamllint, which fails because yamllint is a Python package distributed via PyPI, not an npm package. Updated both scripts to call yamllint directly with explicit config file reference.

Changes:

• lint.sh: Changed from npx yamllint . to yamllint -c .yamllint.yaml .
• lint.bat: Changed from npx yamllint . to yamllint -c .yamllint.yaml .

This aligns with the CI workflow which uses ibiqlik/action-yamllint@v3 to install and run the Python-based yamllint.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code quality improvement

Related Issues

Pre-Submission Checklist

Before submitting this pull request, ensure you have completed the following:

Build and Test

• Code builds successfully: dotnet build --configuration Release
• All tests pass: dotnet test --configuration Release
• Code produces zero warnings

Code Quality

• Code formatting is correct: dotnet format --verify-no-changes
• New code has appropriate XML documentation comments
• Static analyzer warnings have been addressed

Quality Checks

Please run the following checks before submitting:

• Spell checker passes: cspell "**/*.{md,cs}"
• Markdown linter passes: markdownlint "**/*.md"
• YAML linter passes: yamllint '**/*.{yml,yaml}'

Testing

• Added unit tests for new functionality
• Updated existing tests if behavior changed
• All tests follow the AAA (Arrange, Act, Assert) pattern
• Test coverage is maintained or improved

Documentation

• Updated README.md (if applicable)
• Updated ARCHITECTURE.md (if applicable)
• Added code examples for new features (if applicable)
• Updated requirements.yaml (if applicable)

Additional Notes

No application code changes. Shell scripts only. Yamllint must be pre-installed in the environment (via pip/pipx).

Original prompt

Can you make sure the lint scripts in the root are functional - I believe yamllint is python not node, and so can't be run under npx.

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