Auth pages:
- Create AuthSplitLayout with animated feature slides (6 slides, 3 languages)
- All auth pages use split layout (form left, visual right)
- Add show/hide password toggle with tooltip on Register
- Legal footer only shown on Register via showLegal prop
Subscribe page:
- Redesign to match auth card pattern (centered, clean)
- Platform icons, feature checklist, dynamic trial days (trialDays - 1)
- Add "Switch workspace" link
- Full i18n (en, es, pt-BR)
Onboarding:
- Rename URLs: step1 -> role, step2 -> connect
- Add enforceStep() to prevent skipping/going back steps
- Redirect /onboarding to /onboarding/role
- Redesign Step2 with AuthSplitLayout and compact platform list
- 21 tests covering all step enforcement scenarios
Workspaces page:
- Redesign with AuthSplitLayout (list with avatars, current badge)
Language system:
- Move locale from DB to cookie (forever, unencrypted, session.domain)
- Create SetLocale middleware (sets cookie if missing, validates against config)
- Rename lang/pt-br to lang/pt-BR
- Add dayjs es locale
Other:
- Copy utils.ts from sendkit (formatNumber, formatMoney, copyToClipboard)
- ConfirmDeleteModal with text confirmation (sendkit pattern)
- i18n for ConfirmDeleteModal internal strings (common.php)
- EmptyState component for posts index
- Exact match for "All" posts in sidebar
- Posts breadcrumbs show current status filter
- DialogFooter buttons aligned left
- API Keys page redesign with Table, DropdownMenu, EmptyState
- Extract CreateApiKeyDialog and InviteMemberDialog to components
- Remove API Keys from sidebar
- DropdownMenuItem destructive variant for Remove action
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