e2e: Playwright suite for homepage + guard chain; RBAC gate on /admin; fix stale service links

tests/e2e/.env.local.example

@@ -0,0 +1,8 @@
+# Copy to tests/e2e/.env.local (git-ignored) and fill in real values.
+# qa-e2e / qa-e2e-admin are fleet-managed IdP test users (standard user vs
+# homepage-admins member). Values are secrets: never commit them.
+E2E_BASE_URL=https://www.franksdank.cloud
+E2E_STANDARD_USER=qa-e2e
+E2E_STANDARD_PASS=REPLACE_ME
+E2E_ADMIN_USER=qa-e2e-admin
+E2E_ADMIN_PASS=REPLACE_ME