FDD Example: Task Manager

A full-featured example project built with FDD. It demonstrates how FDD specifications translate into a working backend + UI with traceable code.

What's inside

• FDD adapter: .fdd-adapter/ — build/test specs, conventions, and traceability rules.
• Architecture & documentation:
  • architecture/BUSINESS.md — business context
  • architecture/DESIGN.md — overall design
  • architecture/ADR/ — architecture decisions
  • architecture/features/FEATURES.md — feature manifest
  • Feature design docs:
    • feature-business-domain/DESIGN.md
    • feature-first-party-web-ui/DESIGN.md
    • feature-platform-core/DESIGN.md
• Code: Rust/Axum API + UI (Vite/React), tagged with FDD IDs for traceability.
  • Backend: src/
  • UI: ui/src/
  • Tests: tests/

Key points

• End-to-end FDD flow: from requirements and design to implementation.
• Demonstrates codegen/autogen based on FDD specs (plus traceability validation).
• Handy commands: make build, make test, make run, make validate.

Demo credentials

• Email: demo@example.com
• Password: any value except invalid

Screenshots

UI: Auth Page

UI: Tasks Page

Traceability between code and design

Code: FDD Comments

Design: FDL Instructions

Purpose

This project shows how FDD turns specs into a working product: API, UI, and tests with verified links between docs and code.