Full Stack Todo App

This project contains a Flutter frontend, a Node.js backend, and beginner-friendly learning notes in docs/.

Learning Path

Read them in this order:

1. Lesson 1: Backend basics
2. Lesson 2: Connect Flutter to Todo APIs
3. Lesson 3: Token Authentication
4. Lesson 4: SQLite Database
5. Lesson 5: Backend Code Structure
6. Lesson 6: Environment Variables and Configuration
7. Lesson 7: Better Error Handling
8. Lesson 8: Input Validation Rules
9. Lesson 9: Backend Tests
10. Lesson 10: Frontend Form Validation
11. Lesson 11: Frontend Widget Tests
12. Lesson 12: Frontend Loading and Empty States Polish
13. Lesson 13: Frontend Optimistic Updates
14. Lesson 14: Frontend Edit Todo Flow
15. Lesson 15: Frontend Logout and Session Cleanup Polish
16. Lesson 16: Frontend Auth Route Guards
17. Lesson 17: Frontend Auth Provider Cleanup and Single Auth Source
18. Lesson 18: Frontend Auth Screen Controller Lifecycle Cleanup
19. Lesson 19: Frontend Password Visibility Toggle
20. Lesson 20: Frontend Auth Loading and Error States Polish
21. Lesson 21: Frontend Auth Success Navigation and Messages Polish

Reference docs:

• Backend Guide
• Frontend Guide
• Frontend Setup
• Frontend Architecture
• Why We Use Layers

Project Shape

frontend/                Flutter app
backend/                 Node.js backend
docs/                    Learning notes and guides