feat: Add garbage collection operations in reporting

[NelsonBN]

Checklist before requesting a review

• I have performed a self-review of my code.
• Implemented tests for new features.
• I tested the features already implemented.
• Added usage examples in the readme.

[github-actions]

Test Summary

190 tests   190 ✅  0s ⏱️
  1 suites    0 💤
  1 files      0 ❌

Results for commit f56ee76.

♻️ This comment has been updated with latest results.

[Copilot]

Pull Request Overview

This PR adds support for reporting garbage collection operations (Gen0, Gen1, Gen2) to the benchmark comparison tool.

• Introduces CalculateGarbageCollectionOperations in MetricComparison to compute GC ops per 1000 iterations.
• Extends ComparerReport with Gen0Collections, Gen1Collections, Gen2Collections and updates exporters (Markdown/Console) and command wiring.
• Adds comprehensive tests for GC metrics in MetricComparison, table printing, exporters, and the comparer command.

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/Models/MetricComparison.cs	New CalculateGarbageCollectionOperations
src/Models/ComparerReport.cs	Added Gen0/Gen1/Gen2Collections properties
src/Helpers/PrintTable.cs	TableBuilder supports dynamic columns/rows
src/Exporters/MarkdownExporter.cs	Dynamically include GC columns in Markdown
src/Exporters/ConsoleExporter.cs	Use TableBuilder to include GC columns
src/Commands/ComparerCommand.cs	Populate GC metrics in report generation
tests/.../MetricComparisonTests.cs	Tests for GC operations calculations
tests/.../PrintTableTest.cs	Tests for table formatting
tests/.../MarkdownExporterTests.cs	Tests for Markdown output with GC columns
tests/.../ConsoleExporterTests.cs	Tests for Console output with GC columns
tests/.../ComparerCommandTests.cs	Tests verifying command-generated GC metrics

Comments suppressed due to low confidence (3)

src/Helpers/PrintTable.cs:134

• The method name _setColumnWith appears to be a typo; consider renaming it to _setColumnWidth for clarity.

    private void _setColumnWith(int columnIndex, int width)

src/Helpers/PrintTable.cs:20

• Using params IEnumerable<string> can be confusing and may not match common usage; consider changing the signature to params string[] columns or IEnumerable<string> columns for clearer intent.

    public TableBuilder AddHeader(params IEnumerable<string> columns)

tests/PowerUtils.BenchmarkDotnet.Reporter.Tests/Commands/ComparerCommandTests.cs:667

• [nitpick] The test method name contains duplicate phrases (Have_Has). Consider renaming it to When_Baseline_Has_Value_For_Gen0Collections_Should_Register_Baseline_GCComparison for clarity.

    public void When_Baseline_Have_Has_Value_For_Gen0Collections_Should_Have_Comparison_Baseline_With_For_Gen0Collections()

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
PBReporter	97%	82%	871	✔
Summary	97% (831 / 860)	82% (599 / 734)	871	✔

[github-actions]

🚀 Stryker report generated 🚀

To more details: https://dashboard.stryker-mutator.io/reports/github.com/TechNobre/PowerUtils.BenchmarkDotnet.Reporter/feat/add-gens-45

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
95.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[NelsonBN]

🎉 This PR is included in version 1.3.0 🎉

The release is available on GitHub release

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