- Split behavioral inputs into two screens (Habits + Lifestyle)
- Added 5 new modifiable factors: diet quality, processed food,
drug use, social connection, and stress level
- Updated hazard ratios for all new factors based on meta-analyses
- Model version bumped to 1.1
- Simplified welcome screen with clearer value proposition
- Updated tests for expanded behavioral model
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- 3-slide onboarding: baseline, questions, results
- Replaced welcome screen with onboarding flow
- Tightened uncertainty range from ±40% to ±20%
- Ranges now more precise (e.g., 58-86 vs 40-104 months)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Local-first Flutter app that identifies the single behavioral change
most likely to extend lifespan using hazard-based modeling.
Features:
- Risk engine with hazard ratios from meta-analyses
- 50 countries mapped to 4 mortality groups
- 6 modifiable factors: smoking, alcohol, sleep, activity, driving, work hours
- SQLite local storage (no cloud, no accounts)
- Muted clinical UI theme
- 23 unit tests for risk engine
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
