chore: upgrade TypeScript to 6.0.2

[chenjiahan]

Summary

• Upgrade TypeScript to 6.0.2.
• Replace the root tsconfig.json with the shared NodeNext configuration.
• Validate the change with pnpm build and pnpm test.

Related Links

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

[chatgpt-codex-connector]

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Reviewed commit: 7673fafab3

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[chatgpt-codex-connector]

Keep TypeScript within declared peer range

Pinning typescript to 6.0.2 puts this repo outside the peer dependency ranges declared by the current toolchain (@rslib/core@0.20.0 and rsbuild-plugin-dts@0.20.0 both require typescript: ^5 in pnpm-lock.yaml), so installs will fail in environments using pnpm --strict-peer-dependencies and non-strict installs run with an explicitly unsupported compiler major. Please either upgrade those build dependencies to versions that support TS 6 or keep TypeScript on v5.x.

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[Copilot]

Pull request overview

Upgrades the repository’s TypeScript toolchain and aligns the root tsconfig.json with a NodeNext-oriented configuration, updating dependency metadata to reflect the new compiler version.

Changes:

• Bump typescript to 6.0.2 and update lockfile resolution.
• Replace root tsconfig.json settings with a NodeNext-focused configuration (module/moduleResolution, target, rootDir).
• Adjust TypeScript dependency specifier to a pinned version.

Reviewed changes

Copilot reviewed 1 out of 3 changed files in this pull request and generated 1 comment.

File	Description
tsconfig.json	Switches compiler settings to NodeNext + updates target/rootDir/types.
package.json	Pins TypeScript to 6.0.2 in devDependencies.
pnpm-lock.yaml	Updates TypeScript resolution (and dependent snapshots) to 6.0.2.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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