The deploy that broke on its own — pnpm, audit fix and ERR_PNPM_EEXIST
Nobody touched the code, yet Vercel kept rejecting the build: ERR_PNPM_EEXIST. The cause: a security cron ran pnpm audit fix with the Windows pnpm, regenerated a v10 lockfile while packageManager declared 9.12.3 — the saga of aligning local pnpm, packageManager and CI.