(chore) add playwright e2e test

tasks/01-phase0-unblock.md

@@ -25,6 +25,10 @@ Blocking. Nothing ships until this lands. Requires [00-decisions.md](00-decision
 - [ ] **0.6** Add Vitest + Testing Library + `msw`; add `test` and `test:watch` scripts to `package.json`
   - Verify: `pnpm test` → runner executes, 0 tests, exit 0
 
+- [ ] **0.6a** Add Playwright (`pnpm create playwright`); add `test:e2e` script to `package.json`; wire into CI as a hard gate (build fails if `test:e2e` fails)
+  - Playwright is a hard requirement, not optional, for every phase that ships a UI surface (Phase 2, 3, 4, 5) — no surface merges without a passing e2e spec
+  - Verify: `pnpm test:e2e` → runner executes, 0 tests, exit 0
+
 - [ ] **0.7** Triage unrelated cluster issues: `sms` Application Degraded (`macos-bluebubbles` Pending 3h), `longhorn-config` OutOfSync
   - Unrelated to atlas, but delivery tree (Phase 3) will render both red on day one — fix or explicitly accept as known-red
 
@@ -34,6 +38,7 @@ Blocking. Nothing ships until this lands. Requires [00-decisions.md](00-decision
 kubectl get pods -n portfolio                                    # 2/2 Running
 curl -sS -o /dev/null -w '%{http_code}\n' https://riotpiao.com   # 200
 pnpm test                                                         # runner executes, 0 tests, exit 0
+pnpm test:e2e                                                     # runner executes, 0 tests, exit 0
 ```
 
 Next: [02-phase1-atlas-core.md](02-phase1-atlas-core.md)