fix: point root types to published declaration

[Fernando-droidx]

Summary

• point the root types field at the declaration generated beside the root runtime export
• restore TypeScript resolution for consumers using legacy moduleResolution: "node"

Fixes #4346.

Validation

• pnpm typecheck
• git diff --check
• confirmed dist/runtime/nitro.d.mts is generated and included by the package files list
• reproduced the published-package failure before the change with nitro@3.0.260610-beta: TypeScript follows ./lib/index.d.mts, which is absent from the tarball

pnpm build generated the runtime declarations but did not complete on local Node.js 22.13.1 because node ./scripts/gen-presets.ts does not support direct .ts execution on that Node version.

[vercel]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: a5569cbb-fce3-47e3-a061-5c57772acda0

📥 Commits

Reviewing files that changed from the base of the PR and between 7765bcb and f1d1be7.

📒 Files selected for processing (1)

• package.json

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📝 Walkthrough

Walkthrough

The package.json types field is updated to point to ./dist/runtime/nitro.d.mts, correcting a broken reference that previously pointed to the non-existent ./lib/index.d.mts. This ensures TypeScript can resolve the package's type declarations during development and compilation.

Changes

Types Declaration Fix

Layer / File(s)	Summary
Package types entry point package.json	The root types field is updated from ./lib/index.d.mts to ./dist/runtime/nitro.d.mts to reference the actual published TypeScript declaration file.

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🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The PR title 'fix: point root types to published declaration' follows conventional commits format (fix prefix) and clearly describes the main change to the package.json types field.
Description check	✅ Passed	The PR description is directly related to the changeset, explaining the root types field update, validation steps, and the issue it fixes (#4346).
Linked Issues check	✅ Passed	The PR successfully addresses issue #4346 by updating the package.json types field from the missing ./lib/index.d.mts to the published ./dist/runtime/nitro.d.mts, restoring TypeScript resolution for legacy moduleResolution: node.
Out of Scope Changes check	✅ Passed	The single change to package.json's types field is directly in scope and addresses the stated objective of fixing the broken TypeScript resolution documented in issue #4346.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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