Prepare v0.5.1

[hardbyte]

Summary

• promote the successfully published 0.5.1-alpha.1 candidate to final 0.5.1
• update the lockfile self-version and final changelog heading

The alpha exercised every tag-driven release stage successfully: exact-candidate CI, RustSec audit, package verification, crates.io Trusted Publishing/OIDC, and GitHub prerelease creation.

Validation

• cargo audit
• cargo fmt --all -- --check
• cargo clippy --all-targets --all-features -- -D warnings
• cargo test --all-targets --all-features
• cargo publish --dry-run --locked --allow-dirty
• git diff --check

[claude]

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[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-08-31T23:44:43.922734Z	827a357	PR opened

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[Copilot]

Pull request overview

Promotes the 0.5.1-alpha.1 release candidate to the final 0.5.1 release across the crate metadata and changelog, aligning the repository state with the intended published version.

Changes:

• Bump crate version from 0.5.1-alpha.1 to 0.5.1 in Cargo.toml.
• Update the lockfile’s gatehouse package entry to 0.5.1.
• Rename the changelog section header from 0.5.1-alpha.1 to 0.5.1.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
CHANGELOG.md	Promotes the changelog heading from the alpha tag to the final 0.5.1 heading.
Cargo.toml	Updates the crate’s package version to 0.5.1.
Cargo.lock	Updates the lockfile’s gatehouse package version to 0.5.1.

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