fix(trailer-codec): publish type declarations

[flyingrobots]

Summary

• add root index.d.ts declarations for the async v3 public API
• wire package types, root export metadata, and files to publish the declarations
• bump package version to v3.0.4 and update the changelog
• refresh the lockfile, including dev-tool audit fixes

Validation

• npm run lint
• npm test
• npm audit --audit-level=high
• npm pack --dry-run
• TypeScript consumer compile with npx -p typescript@latest tsc --noEmit --strict --module NodeNext --moduleResolution NodeNext --target ES2022 --skipLibCheck
• git diff --check

Summary by CodeRabbit

• New Features

  • Added first-class TypeScript declarations for the public async API, making the package easier to use in TypeScript projects.
  • Published type definitions with the package so editors and builds can recognize the available API surface.

• Bug Fixes

  • Updated package metadata so the installed package correctly exposes both runtime code and TypeScript types.
  • Added validation coverage to ensure the published type entry points remain correct.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

Adds root TypeScript declarations for the async v3 trailer codec API, updates package metadata to publish index.d.ts, bumps the package to 3.0.4, and adds a unit test that checks the published types entry.

Changes

TypeScript declaration publishing

Layer / File(s)	Summary
Public models and errors index.d.ts	Adds the root declaration surface for commit and trailer models, input shapes, and codec error typing.
Schema, parser, and service index.d.ts	Adds trailer schema bundle types, parser options/results, body formatting options, and the async trailer codec service.
Codec facade helpers index.d.ts	Adds helper payload types, wrapper classes, raw encode/decode functions, and configured codec constructors.
Publish metadata and validation package.json, CHANGELOG.md, test/unit/package-types.test.js	Bumps the package version, publishes index.d.ts through exports and files, records the release note, and adds a metadata test.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Poem

A bunny hopped by with a type-filled grin,
index.d.ts let the new trails begin.
types and default now leap side by side,
With tests at my paws and the changelog as guide,
I twitched my nose: “This release feels just right!” 🐰

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: publishing TypeScript type declarations for the trailer-codec package.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/types-declarations-v3

---

_{Comment @coderabbitai help to get the list of available commands.}