- 4 unit tests for name: patching in relink.test.ts (prefix on/off,
gstack-upgrade not double-prefixed, no-frontmatter no-op)
- 2 tests for gen-skill-docs prefix warning
- 1 E2E test for ship idempotency (periodic tier)
- Updated setupMockInstall to write SKILL.md with proper frontmatter
- Added ship-idempotency touchfiles + tier classification
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>