feat: add unit test project for Credfeto.Enumeration.Source.Generation.Generics

[dnyw4l3n13]

Summary

• Creates Credfeto.Enumeration.Source.Generation.Generics.Tests unit test project
• Achieves 100% line, branch, and method coverage for EnumHelpers
• Covers all six public methods: GetNameReflection, GetName, GetDescriptionReflection, GetDescription, IsDefinedReflection, IsDefined
• Both cache-miss and cache-hit paths covered for GetName, GetDescription, and IsDefined
• GetDescriptionReflection tested with a value with a [Description] attribute, without one, and with an undefined enum value (null field info path)
• Adds TestEnumWithDescription enum in the test project for parameterised tests

Closes #99

[dnyw4l3n13]

Code review complete — two findings fixed before marking ready:

1. UTF-8 BOM in EnumGetDescriptionTests.cs — removed in 11946db. The file had a BOM byte sequence (ef bb bf) at the start that was absent from all other source files in the project.

2. Weak cache-hit assertions in EnumGetDescriptionTests.cs — fixed in 11946db. The GetDescriptionReturnsCachedNameWhenNoDescriptionAttribute and GetDescriptionReturnsCachedDescriptionWhenAttributePresent tests previously asserted secondResult == firstResult rather than asserting both against the expected literal. Updated both to match the EnumGetNameTests pattern.

Final state:

• 32 tests pass on net9.0 and net10.0
• 92 total solution tests pass
• 100% line / branch / method coverage for Credfeto.Enumeration.Source.Generation.Generics
• CI Build: Pre-Release ✅

[credfeto]

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[dnyw4l3n13]

All CI checks pass. PR is ready for merge.

CI summary:

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No open review comments, no outstanding work.

[dnyw4l3n13]

Checked in on PR status — nothing has changed since the last session.

All CI checks still pass, no review comments to address, branch is up to date with main. PR remains ready for merge.

[dnyw4l3n13]

Rebased onto origin/main (16 commits — AI instruction file updates and GitHub Actions workflow updates). Force-pushed as c1573aa0. Waiting for CI to pass before marking ready.

[dnyw4l3n13]

PR marked ready. New CI run triggered — Apply Template and Generate Description is pending; lint and validation checks are expected to follow.

Stopping here per CI policy. Will resume automatically when checks complete.

[credfeto]

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All CI checks passed after the rebase onto origin/main. PR is ready for merge.

• build-pre-release ✅
• lint-code ✅
• valid-changelog ✅
• change-log-entry-is-in-unreleased ✅
• include-changelog-entry ✅
• does-not-contain-secrets ✅
• dependency-review ✅
• has-no-merge-conflicts ✅
• no-merge-commits ✅
• no-ignored-files ✅
• Check Not Draft ✅
• Copilot Code Review ✅

No open review comments, no outstanding work.

[dnyw4l3n13]

All CI checks continue to pass and no new review comments have arrived. No further action required — PR is ready for merge.