pin deps and update pnpm

[modelorona]

No description provided.

[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Outdated @babel/core version	Medium	Run the build process.	The @babel/core dependency is pinned to version 7.27.4, which is relatively old. This version might have known vulnerabilities or compatibility issues with other dependencies in the project. This could lead to build failures or unexpected runtime errors. Upgrading to a more recent version of @babel/core is recommended.

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[github-actions]

Hey, leave a @claude-review comment below and I'll do a code review!