docs(01-02): complete screen management + onboarding plan

- Add 01-02-SUMMARY.md with execution results - Update STATE.md: plan 3/5, 40% progress, decisions logged - Update ROADMAP.md with plan progress - Mark requirements FNDN-05, ONBD-01-04 complete Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 11:08:04 +02:00
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+---
+phase: 01-grundger-st-tippmechanik
+plan: 02
+subsystem: ui
+tags: [screen-management, onboarding, indexeddb, companion-selection, css-transitions]
+
+requires:
+  - phase: 01-01
+    provides: "IndexedDB storage layer (openDB, getProgress, saveProgress), types, CSS design system"
+provides:
+  - "Screen management (showScreen, initApp)"
+  - "Welcome screen with companion selection and layout toggle"
+  - "Companion definitions (fee/einhorn/fuchs/eule)"
+  - "Onboarding flow with IndexedDB persistence"
+affects: [01-03, 01-04, 01-05]
+
+tech-stack:
+  added: []
+  patterns:
+    - "Screen routing via CSS class toggle (.screen--active)"
+    - "DOM-based UI generation from data arrays (companion cards)"
+    - "Event delegation for toggle groups (layout buttons)"
+
+key-files:
+  created:
+    - src/app.ts
+    - src/companion/characters.ts
+    - src/ui/screens.ts
+  modified:
+    - src/main.ts
+    - index.html
+    - src/styles/main.css
+
+key-decisions:
+  - "Screen transitions use CSS opacity + display toggle, no router library"
+  - "Companion cards rendered dynamically from characters.ts array, not hardcoded in HTML"
+
+patterns-established:
+  - "showScreen(name) pattern: remove .screen--active from all, add to target by id"
+  - "initApp checks IndexedDB progress to route returning users directly to forest"
+
+requirements-completed: [FNDN-05, ONBD-01, ONBD-02, ONBD-03, ONBD-04]
+
+duration: 2min
+completed: 2026-03-29
+---
+
+# Phase 01 Plan 02: Screen Management + Onboarding Summary
+
+**CSS screen management with companion selection (4 characters), DE/CH layout toggle, and IndexedDB-persisted onboarding flow**
+
+## Performance
+
+- **Duration:** 2 min
+- **Started:** 2026-03-29T09:05:08Z
+- **Completed:** 2026-03-29T09:07:06Z
+- **Tasks:** 2
+- **Files modified:** 6
+
+## Accomplishments
+- Screen management system with CSS fade transitions between 5 app screens
+- Welcome screen with 4 companion cards (Lila/Stella/Finn/Elsa) showing emoji and name
+- DE/CH keyboard layout toggle with active state styling
+- Full onboarding persistence: companion + layout saved to IndexedDB, returning users skip to forest
+
+## Task Commits
+
+Each task was committed atomically:
+
+1. **Task 1: Screen management + companion definitions** - `4b5502f` (feat)
+2. **Task 2: Welcome screen UI + onboarding flow** - `20a7670` (feat)
+
+## Files Created/Modified
+- `src/app.ts` - Screen management (showScreen, getDB, initApp), routes to welcome or forest
+- `src/companion/characters.ts` - 4 companion definitions with type, name, emoji, personality
+- `src/ui/screens.ts` - Welcome screen logic: card rendering, layout toggle, start button, save + navigate
+- `src/main.ts` - Updated to import and call initApp on DOMContentLoaded
+- `index.html` - Welcome screen HTML structure with companion-grid, layout-toggle, start-btn
+- `src/styles/main.css` - Welcome screen styles: companion cards, layout buttons, start button with states
+
+## Decisions Made
+- Screen transitions use CSS opacity + display toggle (no router library needed for 5 screens)
+- Companion cards rendered dynamically from characters.ts data array rather than hardcoded in HTML
+- Layout defaults to 'de' (German), toggleable to 'ch' (Swiss)
+
+## Deviations from Plan
+
+None - plan executed exactly as written.
+
+## Issues Encountered
+None.
+
+## User Setup Required
+None - no external service configuration required.
+
+## Next Phase Readiness
+- Screen management ready for lesson, reward, and parent screens
+- Forest screen is empty placeholder, ready for 01-03 to populate
+- Companion data available for dialogue generation in later plans
+
+---
+*Phase: 01-grundger-st-tippmechanik*
+*Completed: 2026-03-29*