Bring in TemplateDotNetLibrary PR #63: simplify repo-consistency agent

[Copilot]

File-copy .github/agents/repo-consistency.agent.md from TemplateDotNetLibrary PR #63, reducing it from 297 → 40 lines.

Description

• tools: [read, search, github] → [edit, read, search, github, agent]
• Replaced 8 verbose sections with a 3-step "Consistency Steps" list
• Removed Never modify downstream code directly from "Don't Do These Things"
• Removed Evidence-Based Recommendations and Cross-Agent Coordination from "Key Principles"

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
• 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

Documentation-only change. No code, tests, or build configuration affected.

---

🔒 GitHub Advanced Security automatically protects Copilot coding agent pull requests. You can protect all pull requests by enabling Advanced Security for your repositories. Learn more about Advanced Security.

[Copilot]

Pull request overview

Updates the Repo Consistency Agent documentation to match the streamlined TemplateDotNetLibrary template version, reducing verbosity while keeping the agent’s intent and guardrails.

Changes:

• Expanded the agent toolset in YAML frontmatter (tools) to include edit and agent.
• Replaced the prior long-form guidance with a concise 3-step “Consistency Steps” workflow.
• Removed selected “Don’t Do” / “Key Principles” bullets to align with the template.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.