chore(release): prepare v0.4.2

[NovusEdge]

Names the v0.4.2 changelog section and bumps flake.nix to 0.4.2.

The release carries darwin and windows archives for the first time (#118). go build, go vet, and go test ./... pass locally.

Summary by CodeRabbit

• New Releases

  • Added v0.4.2 release archives for macOS and Windows on amd64 and arm64 platforms.
  • Windows users can also download a ZIP archive.
  • These builds currently support the doctor and capabilities commands.

• Compatibility

  • The JSON contract remains at version 3.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Team

Run ID: 01110f38-9fd5-4550-ac90-149c4635efa0

📥 Commits

Reviewing files that changed from the base of the PR and between f7af46b and 74d7683.

📒 Files selected for processing (2)

• CHANGELOG.md
• flake.nix

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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Walkthrough

The changelog now documents v0.4.2. The Nix flake passes version 0.4.2 to the Go build.

Changes

Release version update

Layer / File(s)	Summary
Align release metadata and package version CHANGELOG.md, flake.nix	The changelog records v0.4.2 and its release archive details. The Nix flake updates the embedded package version from 0.4.1 to 0.4.2.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Merge Risk: ⚪ Minimal · up to 74d76

This updates the v0.4.2 release metadata and Nix package version without introducing identified merge-blocking risk.

Poem

A rabbit checks the version line
The changelog hops into place
The flake carries 0.4.2
Three contract stars still shine
Release boxes rest in lace

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the release preparation and matches the changelog and flake version updates for v0.4.2.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/release-v0.4.2

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