ci: two-stage release with manual approval (3.x)

[fengmk2]

Brings the 3.x maintenance branch onto the same release flow as master (#814), so every line releases the same way.

Flow: run Prepare Release (manual, with a version) -> it opens a release/vX.Y.Z PR -> merge it -> Release checks the version against npm, pushes an approval request to DingTalk, waits on the release environment gate, then publishes and creates the GitHub Release.

3.x specifics:

• Publishes under dist-tag latest-3 (never latest).
• Builds via tshy (npm prepublishOnly) on Node 22.
• Replaces the previous shared node-release reusable workflow.
• npm auth via OIDC trusted publishing (id-token: write).

Requires the repo release environment (required reviewers) and npm trusted-publisher config to allow this branch's workflow. DingTalk secrets are already set repo-wide.

[gemini-code-assist]

Note

Gemini is unable to generate a review for this pull request due to the file types involved not being currently supported.

[coderabbitai]

Important

Review skipped

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Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 40442018-3fe5-4d26-a462-c05d6bb49117

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Use the checkbox below for a quick retry:

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ci/release-flow-3.x

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