chore(deps): update dependency typescript to v6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
typescript (source)	^5.7.0 → ^6.0.0

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Release Notes

microsoft/TypeScript (typescript)

v6.0.3

Compare Source

v6.0.2

Compare Source

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Summary

This PR updates the TypeScript dev dependency from ^5.7.0 to ^6.0.0 in the TypeScript SDK. The change is straightforward: it bumps the version in package.json and updates package-lock.json accordingly. The codebase is well-positioned for this upgrade because the tsconfig.json already explicitly configures all compiler options that changed defaults in TypeScript 6.0 (e.g., strict: true, rootDir: "src", moduleResolution: "bundler").

Verdict: Approved pending verification that CI passes. No code changes are required, but the CI workflow should be run to confirm type checking and build succeed with TypeScript 6.0.

Research notes

Fetched the TypeScript 6.0 announcement blog and GitHub release notes. Key breaking changes in TS 6.0 include:

• strict now defaults to true (this repo already sets it explicitly)
• types now defaults to [] instead of auto-including all @types/* packages (not applicable here — the project uses explicit imports)
• rootDir now defaults to . instead of being inferred (this repo explicitly sets "rootDir": "src")
• moduleResolution: node / node10 is deprecated (this repo uses "bundler")
• New inference rules for function expressions in generic calls (may require explicit type arguments in edge cases)
• Various deprecated options removed (outFile, baseUrl as lookup root, amd/umd/systemjs module targets, etc.)

None of these deprecations affect this codebase based on the current tsconfig.json configuration.

Suggested next steps

1. Run CI to verify type checking passes — The CI workflow (npm run typecheck and npm run build) should be executed to confirm there are no new type errors under TypeScript 6.0's stricter inference rules.
2. Monitor for subtle inference changes — TypeScript 6.0 has updated inference for function expressions in generic contexts. If CI fails, look for errors around generic calls that may need explicit type arguments.
3. Consider testing with TypeScript 7.0 native preview — Since TS 6.0 is a bridge release to TS 7.0 (the native Go port), consider testing against the TS 7.0 preview to identify any forward-compatibility issues early.

General findings

• The package-lock.json changes show removal of "peer: true" from the esbuild and typescript entries. This is normal npm metadata cleanup and has no functional impact.
• The bin entry for autobatcher appears in the lockfile diff because it was added to package.json in a prior commit — this is just reflecting the actual state of package.json.
• The codebase follows modern TypeScript practices (explicit imports, ESM, bundler module resolution) which aligns well with TypeScript 6.0's direction.

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Overall assessment: This is a low-risk dependency update. The project's explicit tsconfig.json configuration shields it from TypeScript 6.0's breaking default changes. Approval is recommended contingent on CI passing.