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tessera-ctl/.planning/phases/01-foundation-portal-shell/01-02-SUMMARY.md
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schalli 224fd59196 docs(01-02): complete Portal Shell plan with SUMMARY, state updates 
- SUMMARY.md documenting design tokens, i18n, layout components
- STATE.md advanced to plan 2/3, decisions recorded
- ROADMAP.md updated to 2/3 plans complete
- REQUIREMENTS.md: PRTAL-01, PRTAL-04, UI-01, UI-02, UI-03 marked complete
2026-06-18 10:31:16 +02:00

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phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed
phase plan subsystem tags requires provides affects tech-stack key-files key-decisions patterns-established requirements-completed duration completed
01-foundation-portal-shell 02 ui
next-intl
next-themes
zustand
tailwindcss
oklch
i18n
theming
responsive-layout
portal-shell
phase provides
01-01 Monorepo scaffold, Next.js app, Tailwind CSS v4, build tooling
OKLCH design token system with yellow
i18n framework with DE/EN translations via next-intl cookie-based locale
Theme switching (light/dark/system) via next-themes with persistence
Sticky header with logo, breadcrumb, theme toggle, locale switcher, user avatar placeholder
Collapsible sidebar (240px to 64px) with Dashboard/Marketplace nav and accordion categories
Mobile responsive layout with hamburger menu and overlay sidebar
Empty dashboard state with "Keine Widgets aktiv" placeholder and add widget button
AppShell layout composition component for all future pages
Zustand sidebar store with localStorage persistence
01-03-portal-shell
phase-2-auth
phase-3-modules
phase-4-marketplace
phase-5-dashboard
added patterns
next-intl@4.13
next-themes@0.4.6
zustand@5.0.14
design-tokens-oklch
cookie-based-locale
zustand-persist-store
provider-wrapped-layout
responsive-sidebar-overlay
created modified
apps/web/src/app/globals.css
apps/web/src/i18n/request.ts
apps/web/src/messages/de.json
apps/web/src/messages/en.json
apps/web/src/lib/stores/sidebar-store.ts
apps/web/src/components/layout/app-shell.tsx
apps/web/src/components/layout/header.tsx
apps/web/src/components/layout/sidebar.tsx
apps/web/src/components/layout/sidebar-footer.tsx
apps/web/src/components/theme-toggle.tsx
apps/web/src/components/locale-switcher.tsx
apps/web/package.json
apps/web/next.config.ts
apps/web/src/app/layout.tsx
apps/web/src/app/page.tsx
Used OKLCH color space for all design tokens per Tailwind v4 best practice
Dark mode uses oklch(0.17 0.01 260) dark gray-blue for comfortable contrast with yellow primary
Cookie-based locale (NEXT_LOCALE) instead of URL routing since portal is a logged-in app
Zustand with persist middleware for sidebar state to survive page refreshes
CSS custom property --current-sidebar-width for responsive main content margin
Added Inter font-family as --font-sans variable for clean modern style
Design tokens: All colors as CSS custom properties at :root, theme variants via .dark selector
i18n: Every user-visible string through useTranslations() hook, German as default locale
State management: Zustand stores in src/lib/stores/ with persist middleware
Layout composition: AppShell wraps Header + Sidebar + main content area
Component organization: layout/ for structural components, root for reusable UI
Responsive: md breakpoint (768px) separates mobile overlay from desktop sidebar
PRTAL-01
PRTAL-04
UI-01
UI-02
UI-03
7min 2026-06-18

Phase 1 Plan 02: Portal Shell Summary

Responsive portal shell with OKLCH design tokens (yellow #ffed00 primary), collapsible sidebar, sticky header, DE/EN i18n via next-intl cookies, and light/dark/system theme switching via next-themes

Performance

  • Duration: 7 min
  • Started: 2026-06-18T08:21:15Z
  • Completed: 2026-06-18T08:28:41Z
  • Tasks: 2
  • Files modified: 15

Accomplishments

  • Full design token system with OKLCH colors, sidebar/header layout tokens, and light/dark theme variants
  • Bilingual interface (DE/EN) with 24 translation keys and cookie-based locale persistence
  • Complete portal layout: sticky header with branding/actions, collapsible sidebar with nav and categories, responsive main area
  • Theme toggle cycling light/dark/system with localStorage persistence and SSR-safe mounted guard
  • Empty dashboard state showing "Keine Widgets aktiv" with add widget button per D-16

Task Commits

Each task was committed atomically:

  1. Task 1: Design token system + i18n framework + theme provider setup - f3791c6 (feat)
  2. Task 2: Portal layout components -- header, sidebar, app shell, interactions - 6039387 (feat)

Files Created/Modified

  • apps/web/src/app/globals.css - OKLCH design tokens with @theme inline block, light/dark variants, sidebar tokens, layout dimensions
  • apps/web/next.config.ts - Wrapped with createNextIntlPlugin for i18n support
  • apps/web/src/app/layout.tsx - Async root layout with ThemeProvider and NextIntlClientProvider wrappers
  • apps/web/src/i18n/request.ts - Locale resolution from NEXT_LOCALE cookie, dynamic message import
  • apps/web/src/messages/de.json - German translations (24 keys across 6 namespaces)
  • apps/web/src/messages/en.json - English translations (matching 24 keys)
  • apps/web/src/lib/stores/sidebar-store.ts - Zustand store with isCollapsed, isMobileOpen, persist to localStorage
  • apps/web/src/components/layout/header.tsx - Sticky header: logo left, breadcrumb center, theme/locale/user right, mobile hamburger
  • apps/web/src/components/layout/sidebar.tsx - Collapsible sidebar: Dashboard (active), Marketplace, accordion categories, collapse toggle, mobile overlay
  • apps/web/src/components/layout/sidebar-footer.tsx - Settings icon and user info placeholder
  • apps/web/src/components/layout/app-shell.tsx - Layout composition with responsive main content margin
  • apps/web/src/components/theme-toggle.tsx - Three-state theme cycle with SVG icons and hydration guard
  • apps/web/src/components/locale-switcher.tsx - Cookie-based DE/EN toggle with router.refresh
  • apps/web/src/app/page.tsx - Dashboard page with empty state: grid icon, translated text, add widget button
  • apps/web/package.json - Added next-intl, next-themes, zustand dependencies

Decisions Made

  • OKLCH color space: Used OKLCH for all design tokens (Tailwind v4 native support) rather than hex/hsl -- provides perceptually uniform color manipulation
  • Dark gray-blue dark mode: Used oklch(0.17 0.01 260) -- comfortable with yellow primary, avoids harsh true-black per user recommendation in D-14
  • Cookie-based locale: NEXT_LOCALE cookie with 1-year max-age, read server-side by next-intl -- avoids URL routing complexity for portal app
  • CSS custom property for main margin: Used --current-sidebar-width CSS variable with @media query rather than inline style -- cleanly handles responsive breakpoint
  • Inter font-family: Selected Inter as primary font per discretion recommendation for clean modern style

Deviations from Plan

Auto-fixed Issues

1. [Rule 2 - Missing Critical] Added i18n for hardcoded strings in mobile sidebar and sidebar footer

  • Found during: Task 2 (Portal layout components)
  • Issue: Mobile sidebar header had hardcoded "Tessera" text and sidebar footer had hardcoded "User" placeholder -- violated UI-03 requirement
  • Fix: Added tCommon('appName') in sidebar mobile header, t('userPlaceholder') in sidebar footer, common.menu key for hamburger aria-label
  • Files modified: sidebar.tsx, sidebar-footer.tsx, de.json, en.json
  • Verification: grep for hardcoded strings returns no results
  • Committed in: 6039387 (Task 2 commit)

Total deviations: 1 auto-fixed (1 missing critical -- i18n compliance) Impact on plan: Essential fix for UI-03 requirement compliance. No scope creep.

Issues Encountered

None - both tasks executed cleanly with type-check and build verification passing.

User Setup Required

None - no external service configuration required.

Known Stubs

  • apps/web/src/components/layout/header.tsx line 67 - User avatar is a placeholder div (will be wired to auth in Phase 2)
  • apps/web/src/components/layout/sidebar-footer.tsx line 52 - User name shows translation placeholder (will be wired to auth in Phase 2)
  • apps/web/src/app/page.tsx line 40 - Add widget button is non-functional (dashboard implementation in Phase 5)

Next Phase Readiness

  • Portal shell is fully functional with theme, i18n, and responsive layout
  • AppShell component ready to wrap all future page routes
  • Sidebar navigation entries ready for dynamic population from module registry (Phase 3-4)
  • Design token system provides consistent theming foundation for all future components
  • Message file structure supports additional namespaces for future modules

Self-Check: PASSED

All 15 key files verified present. Both commit hashes (f3791c6, 6039387) verified in git log.

Phase: 01-foundation-portal-shell Completed: 2026-06-18

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