fix: bump root package.json to 0.1.2

[joshuaboys]

Summary

• Bump root package.json version from 0.1.1 to 0.1.2
• Required for CI publish workflow which validates the release tag against the root package version
• This commit was pushed to the release branch after PR chore: release v0.1.2 #28 was already merged

Test plan

• CI publish workflow tag validation will now pass for v0.1.2

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR bumps the root package.json version from 0.1.1 to 0.1.2 to align with the v0.1.2 release. The publish workflow validates that the release tag (e.g., v0.1.2) matches the version in the root package.json, and this change was needed after PR #28 bumped all individual packages to 0.1.2. This is a necessary fix to unblock the CI publish workflow for the v0.1.2 release.

Changes:

• Updated root package version from "0.1.1" to "0.1.2"

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