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/30-03-SUMMARY.md

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+---
+phase: 30-onboarding-redesign
+plan: 03
+subsystem: ui
+tags: [react, tanstack-router, integration]
+
+requires:
+  - phase: 30-onboarding-redesign
+    provides: OnboardingFlow component (Plan 02)
+provides:
+  - OnboardingFlow integrated into root route
+  - Old OnboardingWizard removed
+affects: []
+
+tech-stack:
+  added: []
+  patterns: []
+
+key-files:
+  created: []
+  modified:
+    - src/client/routes/__root.tsx
+
+key-decisions:
+  - "Same onComplete callback pattern preserved from old wizard"
+
+patterns-established: []
+
+requirements-completed: []
+
+duration: 3min
+completed: 2026-04-12
+---
+
+# Plan 30-03: Integration Summary
+
+**Replaced old OnboardingWizard with new OnboardingFlow in root route, deleted old component, verified build and no stale references**
+
+## Performance
+
+- **Tasks:** 3
+- **Files modified:** 1 modified, 1 deleted
+
+## Accomplishments
+- Replaced OnboardingWizard import with OnboardingFlow in __root.tsx
+- Preserved onboarding trigger logic (authenticated + onboardingComplete !== "true")
+- Deleted old OnboardingWizard.tsx (319 lines removed)
+- Verified no stale references remain
+- Build succeeds with no dead imports
+
+## Task Commits
+
+1. **Tasks 1-3: Integration and cleanup** - `115766c` (feat)
+
+## Deviations from Plan
+None - plan executed exactly as written.
+
+## Issues Encountered
+None.
+
+## User Setup Required
+None.
+
+## Next Phase Readiness
+- Phase 30 implementation complete — ready for verification
+
+---
+*Phase: 30-onboarding-redesign*
+*Completed: 2026-04-12*