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

[Copilot]

Pull request overview

This PR upgrades the repository’s TypeScript toolchain to v6.0.2 and updates the root TypeScript configuration to use NodeNext-style module settings, aligning compilation with modern Node ESM semantics.

Changes:

• Upgrade typescript to 6.0.2 (with corresponding pnpm-lock.yaml updates).
• Update tsconfig.json to a NodeNext-oriented configuration (module/moduleResolution), add rootDir, and adjust compilation targets/types.

Reviewed changes

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

File	Description
tsconfig.json	Switches compiler options to a NodeNext-oriented config and updates target/types settings.
package.json	Bumps TypeScript devDependency to 6.0.2 and reformats JSON.
pnpm-lock.yaml	Updates lockfile entries to reflect the TypeScript 6.0.2 upgrade and peer snapshots.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.