Green baseline before the dependency upgrades. All eight gates green on 2026-09-01 at 28b60b4: 1. pnpm install --frozen-lockfile lockfile up to date 2. pnpm lint biome 181 files, eslint clean, prettier clean 3. pnpm test 32 files, 381 tests; 64.29% statements 4. pnpm compile:cli clean 5. pnpm fixtures:generate 9 fixture files 6. pnpm astro sync && compile:vue clean 7. pnpm compile:astro 121 files, 0 errors, 0 warnings 8. pnpm astro:build 6 pages, 5.01s Rollback target for the upgrade series that follows.