docs(08-03): add Phase 3 Nyquist Record to 03-VALIDATION.md
- 10 rows (one per PRNT-01..10 success criterion), all pass
- Row 3 (PRNT-03 Alpine.js IP->port) closed as pass citing Phase 9 UX-02
Playwright fixing commits 322fc20 (test) + 37a06da (docs)
- Frontmatter: nyquist_compliant true, nyquist_audited 2026-04-13,
nyquist_auditor Claude (gsd-executor, plan 08-03)
- Preserves Test Infrastructure, Sampling Rate, Per-Task Verification Map,
Wave 0, Manual-Only Verifications, Validation Sign-Off verbatim