fix(ci): support retrying an existing release tag

[alexrett]

Use the explicit GitHub repository when creating a release, and add a required tag input for safely retrying an existing release from Actions. The version gate now applies to both tag pushes and manual retries.

Verified the YAML parser and the v0.3.1 version gate locally.

[Copilot]

Pull request overview

This PR updates the release GitHub Actions workflow to support safely retrying a release for an already-existing tag via workflow_dispatch, while ensuring the package version gate applies consistently.

Changes:

• Adds a required workflow_dispatch input (tag) and a derived RELEASE_TAG env var.
• Applies the package.json version-to-tag check to both tag-push releases and manual retries.
• Makes gh release create target an explicit repository via --repo "$GITHUB_REPOSITORY".

Suppressed comments (3)

.github/workflows/release.yml:15

• RELEASE_TAG is derived from inputs.tag, but for non-workflow_dispatch events the inputs context may be empty/undefined, and for manual runs users sometimes paste refs/tags/<tag>. Consider basing this on github.event.inputs.tag and stripping an optional refs/tags/ prefix so downstream comparisons and gh release create always get the plain tag name.

  RELEASE_TAG: ${{ inputs.tag || github.ref_name }}

.github/workflows/release.yml:15

• For a manual retry, this workflow can be dispatched on the default branch while RELEASE_TAG points at an older tag. That can rebuild artifacts from a different commit (package.json version could still match), which undermines the goal of safely retrying an existing tag. To make retries deterministic, the checkout steps in all jobs should checkout ref: ${{ env.RELEASE_TAG }} when inputs.tag is provided (or always, since it matches github.ref_name on tag pushes).

  RELEASE_TAG: ${{ inputs.tag || github.ref_name }}

.github/workflows/release.yml:93

• The github-release job condition uses inputs.tag != '', but tag is required for workflow_dispatch and inputs may be unset on push events. Using the event name makes the intent explicit and avoids edge cases around null/empty comparisons.

    if: startsWith(github.ref, 'refs/tags/v') || inputs.tag != ''

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