docs(30): complete plan execution summaries for plans 02 and 03

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/phases/30-onboarding-redesign/30-02-SUMMARY.md

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+---
+phase: 30-onboarding-redesign
+plan: 02
+subsystem: ui
+tags: [react, tailwind, tanstack-query, onboarding, lucide]
+
+requires:
+  - phase: 30-onboarding-redesign
+    provides: backend endpoints (Plan 01 - popular items, onboarding complete)
+provides:
+  - full-screen 5-step onboarding flow UI
+  - hobby card picker component
+  - selectable item card with checkmark overlay
+  - review list grouped by category
+  - CSS step transitions
+affects: [30-03]
+
+tech-stack:
+  added: []
+  patterns: [full-screen overlay with CSS step transitions, shared hobby config import from @/shared]
+
+key-files:
+  created:
+    - src/client/components/onboarding/OnboardingFlow.tsx
+    - src/client/components/onboarding/OnboardingWelcome.tsx
+    - src/client/components/onboarding/OnboardingHobbyPicker.tsx
+    - src/client/components/onboarding/OnboardingItemBrowser.tsx
+    - src/client/components/onboarding/OnboardingReview.tsx
+    - src/client/components/onboarding/OnboardingDone.tsx
+    - src/client/components/onboarding/StepIndicator.tsx
+    - src/client/components/onboarding/SelectableItemCard.tsx
+    - src/client/components/onboarding/HobbyCard.tsx
+    - src/client/hooks/useOnboarding.ts
+  modified: []
+
+key-decisions:
+  - "CSS transitions only — no framer-motion dependency"
+  - "Prefixed unused itemsCreated param as _itemsCreated to satisfy lint"
+
+patterns-established:
+  - "Full-screen overlay pattern: fixed inset-0 z-50 bg-white overflow-y-auto"
+  - "Step transition pattern: opacity + translate-y with setTimeout for exit animation"
+
+requirements-completed: []
+
+duration: 10min
+completed: 2026-04-12
+---
+
+# Plan 30-02: Full-Screen Onboarding Flow UI Summary
+
+**5-step catalog-driven onboarding with hobby cards, selectable item grid, review list, and CSS step transitions following UI-SPEC design contract**
+
+## Performance
+
+- **Tasks:** 10
+- **Files created:** 10
+
+## Accomplishments
+- Created useOnboarding hooks (usePopularItems, useCompleteOnboarding)
+- Built StepIndicator progress bar component
+- Built HobbyCard with selected/unselected visual states per UI-SPEC
+- Built SelectableItemCard with checkmark overlay per UI-SPEC
+- Built OnboardingWelcome, OnboardingHobbyPicker, OnboardingItemBrowser, OnboardingReview, OnboardingDone step components
+- Built OnboardingFlow orchestrator with step management and CSS transitions
+- All copy matches UI-SPEC copywriting contract exactly
+- Responsive grid: 2/3/4 columns per breakpoint
+
+## Task Commits
+
+1. **Tasks 1-10: Full onboarding UI** - `5c18a3c` (feat)
+
+**Lint fix:** `0db8771` (fix: biome formatting)
+
+## Deviations from Plan
+None - plan executed exactly as written.
+
+## Issues Encountered
+- Biome formatter required different line breaking for destructured props and ternary expressions — fixed in follow-up commit.
+
+## User Setup Required
+None.
+
+## Next Phase Readiness
+- OnboardingFlow component ready for integration in __root.tsx (Plan 03)
+
+---
+*Phase: 30-onboarding-redesign*
+*Completed: 2026-04-12*