Prepare v0.5.1-alpha.1

[hardbyte]

Summary

• set the crate and lockfile version to 0.5.1-alpha.1
• mark the existing 0.5.1 changelog entry as the alpha release
• exercise the new tag-driven Trusted Publishing workflow before cutting final 0.5.1

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 2026-08-31T23:39:12.382340Z	660f068	PR opened

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[Copilot]

Pull request overview

Prepares the gatehouse crate for the v0.5.1-alpha.1 pre-release by aligning crate metadata, lockfile, and changelog to support a tag-driven release workflow.

Changes:

• Bump crate version to 0.5.1-alpha.1.
• Update the gatehouse entry in Cargo.lock to the same pre-release version.
• Rename the 0.5.1 changelog section to 0.5.1-alpha.1.

Reviewed changes

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

File	Description
CHANGELOG.md	Renames the 0.5.1 section to 0.5.1-alpha.1 for the alpha release entry.
Cargo.toml	Sets the crate version to 0.5.1-alpha.1.
Cargo.lock	Updates the lockfile package entry for gatehouse to 0.5.1-alpha.1.

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