Adds server-project spec files for the four priority routes:
- routes/+page.server (home/search) — happy path, 401 redirect, network error fallback
- routes/documents/[id]/+page.server — happy path, comments fetch failure, 401/403/404
- routes/persons/[id]/+page.server — happy path, partial API failure, 403/404
- routes/admin/+page.server — ADMIN permission gate (none/read-only/undefined/no groups)
All tests run in Node environment with vi.mock() for createApiClient and
$env/dynamic/private. No real network calls; total suite runs in < 1 second.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
