chore: upgrade TypeScript to ^6.0.2

[chenjiahan]

Summary

• upgrade TypeScript to ^6.0.2 and update the repo tsconfig
• refresh the lockfile and verify the workspace-dev plugin still passes its unit and Playwright coverage after the upgrade

Testing

• pnpm build
• pnpm test

Related Links

• https://github.com/microsoft/TypeScript/releases/tag/v6.0.2

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: adf38106ff

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 👍.

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