- Pin pnpm to v12.3.4 via packageManager field for reproducible builds
- Set minimum-release-age=0 to allow fresh package installs
- Update CI workflow to use corepack install (respects pinned version)
- Remove frozen-lockfile to regenerate for v12 format
Fixes ERR_PNPM_MINIMUM_RELEASE_AGE_VIOLATION on [email protected].0