Phases: 1. Auth & Accounts 2. Household Creation 3. Barcode Scanning 4. Manual Entry & Search 5. Expiration Management 6. In-App Notifications 7. External Notifications (Discord, ntfy, Pushbullet, Telegram) 8. Usage Tracking 9. AI Shopping Prediction 10. Local Sales Tracking 11. Web App & Cross-Platform UI Polish 12. Setup Wizard & Onboarding All 62 v1 requirements mapped to exactly one phase (100% coverage). Critical path: 1→2→3→4→5→6→7 Parallel path: 4→8→9→10 Core value delivered after Phase 5 (expiration alerts). Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>