docs(09-01): complete E2E test infrastructure plan

- 09-01-SUMMARY.md: 29 tests across 7 flow specs, 3-browser coverage
- STATE.md: advanced to 94%, added 3 decisions, updated session
- ROADMAP.md: phase 9 in progress (1/3 summaries)
- REQUIREMENTS.md: marked QA-01, QA-05, QA-06 complete

.planning/REQUIREMENTS.md

@@ -92,12 +92,12 @@ Requirements for beta-ready release. Each maps to roadmap phases.
 
 ### Testing & QA
 
-- [ ] **QA-01**: Playwright E2E tests cover all critical user flows (login, tenant CRUD, agent deploy, chat, billing, RBAC)
+- [x] **QA-01**: Playwright E2E tests cover all critical user flows (login, tenant CRUD, agent deploy, chat, billing, RBAC)
 - [ ] **QA-02**: Lighthouse scores >= 90 for performance, accessibility, best practices, and SEO on key pages
 - [ ] **QA-03**: Visual regression snapshots at desktop (1280px), tablet (768px), and mobile (375px) for all key pages
 - [ ] **QA-04**: axe-core accessibility audit passes with zero critical violations across all pages
-- [ ] **QA-05**: E2E tests pass on Chrome, Firefox, and Safari (WebKit) via Playwright
-- [ ] **QA-06**: Empty states, error states, and loading states tested and rendered correctly
+- [x] **QA-05**: E2E tests pass on Chrome, Firefox, and Safari (WebKit) via Playwright
+- [x] **QA-06**: Empty states, error states, and loading states tested and rendered correctly
 - [ ] **QA-07**: CI-ready test suite runnable in GitHub Actions / Gitea Actions pipeline
 
 ## v2 Requirements
@@ -202,12 +202,12 @@ Which phases cover which requirements. Updated during roadmap creation.
 | MOB-04 | Phase 8 | Complete |
 | MOB-05 | Phase 8 | Complete |
 | MOB-06 | Phase 8 | Complete |
-| QA-01 | Phase 9 | Pending |
+| QA-01 | Phase 9 | Complete |
 | QA-02 | Phase 9 | Pending |
 | QA-03 | Phase 9 | Pending |
 | QA-04 | Phase 9 | Pending |
-| QA-05 | Phase 9 | Pending |
-| QA-06 | Phase 9 | Pending |
+| QA-05 | Phase 9 | Complete |
+| QA-06 | Phase 9 | Complete |
 | QA-07 | Phase 9 | Pending |
 
 **Coverage:**