ci(release): create umbrella releases through GitHub

[santi020k]

Summary

• let the Release workflow create the umbrella GitHub Release and tag through the GitHub API
• update the rolling major tag through the API instead of local Git pushes
• add an idempotent workflow-dispatch recovery path
• copy the Changesets Basic release notes into the umbrella release

Why

The package versions were published successfully, but the workflow only created package-specific releases. Its local Git push for the umbrella tag also failed when the release commit contained workflow changes.

Validation

• actionlint .github/workflows/release.yml
• shell syntax validation for the reconciliation step
• focused cspell check
• repository pre-push gate

[changeset-bot]

⚠️ No Changeset found

Latest commit: 137c420

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: d536065dac

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[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-24T02:13:20.386710Z	137c420	Manual request

ℹ️ About Codex in GitHub

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[santi020k]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. What shall we delve into next?

Reviewed commit: 137c42087e

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".