chore: sync AGENTS.md, agent configs, standards, and lint scripts from TemplateDotNetTool

[Copilot]

Pull Request

Description

Binary-copies updated files from demaconsulting/TemplateDotNetTool into this downstream repository.

Updated files:

• AGENTS.md — agent quick-reference updates
• .github/agents/quality.agent.md — quality agent instruction updates
• .github/standards/csharp-language.md, csharp-testing.md, design-documentation.md, reqstream-usage.md, reviewmark-usage.md, software-items.md, technical-documentation.md — standards revisions
• lint.sh / lint.bat — lint script improvements

New files (not previously in this repo):

• .github/standards/coding-principles.md
• .github/standards/testing-principles.md

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 unit tests pass: dotnet test --configuration Release
• Self-validation tests pass:
  dotnet run --project src/DemaConsulting.FileAssert --configuration Release --framework net10.0
--no-build -- --validate
• 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:

• All linters pass: ./lint.sh (Unix/macOS) or cmd /c lint.bat / ./lint.bat (Windows)

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 source code changes. These are documentation/tooling files only (agent instructions, coding standards, lint scripts).

[Copilot]

Pull request overview

Syncs this repository’s agent guidance, standards, and lint tooling with upstream TemplateDotNetTool, improving consistency across Continuous Compliance repos.

Changes:

• Enhanced lint.sh/lint.bat to restore local .NET tools and run ReqStream/VersionMark/ReviewMark lint checks, and to separate linting vs formatting steps.
• Refreshed agent docs (AGENTS.md, .github/agents/quality.agent.md) and standardized several .github/standards/*.md documents with frontmatter and cross-references.
• Added two new standards: coding-principles.md and testing-principles.md.

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
lint.sh	Adds Puppeteer download skip; adds dotnet tool restore + reqstream/versionmark/reviewmark linting; separates restore/format.
lint.bat	Windows equivalent of lint script improvements (dotnet tool restore + lints; restore before format; Puppeteer skip).
AGENTS.md	Updates placeholders and expands the “standards to load” list to include new standards.
.github/standards/coding-principles.md	New universal coding principles and quality gates standard.
.github/standards/testing-principles.md	New universal testing principles (dependency boundaries + AAA) standard.
.github/standards/csharp-language.md	Adds frontmatter and refocuses on formatting + quality checks (links to coding principles).
.github/standards/csharp-testing.md	Adds frontmatter and required-standards references; trims duplicated requirements coverage guidance.
.github/standards/design-documentation.md	Adds frontmatter + required-standards references; clarifies scope exclusions.
.github/standards/reqstream-usage.md	Adds frontmatter + required-standards references; clarifies downward-only requirement links.
.github/standards/reviewmark-usage.md	Adds frontmatter + required-standards references.
.github/standards/software-items.md	Adds frontmatter and clarifies subsystem/unit definitions.
.github/standards/technical-documentation.md	Adds frontmatter and clarifies what “References” sections may include.
.github/agents/quality.agent.md	Reorders/expands checklist items and relocates the “Result field” requirement for orchestrators.

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