Add typecheck for bundle

[atilafassina]

make sure the types we export are consumable and accurate

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Latest commit: ec65422

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commit: ec65422

[Copilot]

Pull request overview

This PR adds a new GitHub Actions workflow to validate that the exported TypeScript types from the monorepo packages are consumable and accurate. The workflow uses @arethetypeswrong/cli to detect common issues with package type definitions that could cause problems for consumers.

Key Changes:

• Introduces automated type checking for distributed packages using @arethetypeswrong/cli
• Configured with a matrix strategy to support checking multiple packages (currently just "start")
• Runs on pull requests and pushes to the main branch

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