Python Dev to help in backend of Manga Wellness App

# Yokaizen - Mental Wellness Through Manga
## Developer Documentation

### Project Overview
Yokaizen is a mental wellness platform combining manga storytelling with AI-driven therapeutic support. The application uses a microservices architecture with:
- Flutter frontend
- Python FastAPI for core services
- Flask backend for specific features
- Node.js services for certain API functionalities

### Current Development Status

#### Completed Components
- Core API structure (Python/FastAPI)
- Basic user authentication
- Story management
- Character system
- Basic quiz framework

- Flask Backend
- Assessment systems
- Badge management
- Initial compliments system


#### In Progress (Milestone 1-3)
1. Challenges System
- ✅ Backend structure
- ✅ Basic API endpoints
- ❌ Flutter UI implementation
- ❌ Integration testing

2. Compliments System
- ✅ Backend database schema
- ✅ Basic LINE integration
- ❌ Frontend implementation
- ❌ Complete LINE friend synchronization

3. Assessment System
- ✅ Core quiz engine
- ✅ Assessment algorithms
- ❌ Flutter UI for results
- ❌ Radar chart visualization