fix: unable to use js-api due to incorrect type exports

[phil-sisutech]

when using the JS api, tsr throws an error due to incorrect exports of types as described here: #117

[Copilot]

Pull Request Overview

This PR refines the TypeScript build configuration and entrypoint exports to address incorrect type exports in the JS API.

• Adds emitDeclarationOnly to the library tsconfig.
• Limits exports in lib/main.ts to the tsr function only.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
tsconfig.lib.json	Added emitDeclarationOnly to compiler options.
lib/main.ts	Removed exports of Config, Logger, and errors; now only exports tsr.

Comments suppressed due to low confidence (1)

lib/main.ts:1

• By removing the Config, Logger, and error exports, consumers lose access to these APIs. If Config is intended as a type-only export, reintroduce it using export type { Config }, and consider re-exporting Logger and errors as needed.

export { tsr } from './tsr.js';

[Copilot]

Using emitDeclarationOnly without setting declaration prevents JavaScript files from being emitted, which will break the library's runtime output. Consider using declaration: true alongside or instead of emitDeclarationOnly to generate .d.ts files while still emitting .js bundles.

Suggested change

	"strict": true,
	"strict": true,
	"declaration": true,